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提问人：网友shweite307 发布时间：2022-01-07
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The Enormous Egg Dr. Ziemer arrived while we were still staring at the thing in the nest.

The Enormous Egg

Dr. Ziemer arrived while we were still staring at the thing in the nest. He jumped out his car and came running out to in the backyard. He was wearing a red coat over his pajamas, and he looked pretty excited.

He ran up to the nest and looked in. His eyes opened up wide and he knelt down on the ground and stared and stared. After long while he said softly, "That's it. By George, that's just what it is. "Then he stared for another long time and finally he shook his head and said, "It can't be true, but there it is."

He got up off his knees and looked around at us. His eyes were just sparking, he was so excited. He put his hand on my shoulder, and I could feel he was quivering. "An amazing thing's happened, "he said, in a kind of whisper." I don't know how to account for it. It must be some sort of freak biological mix-up that might happen once a thousand years. "

"But what is it？" I asked.

Dr. Ziemer turned and pointed a trembling finger at the nest. "Believe it or not, you people have hatched out a dinosaur. (恐龙)"

We just looked at him.

"Sounds incredible, I know," he said, "and I can't explain it, but there it is. I've seen too many Triceratops (三角恐龙)skulls to be mistaken about this one. "

"But—but how could it be a dinosaur？" Pop asked.

"Goodness gracious!" Morn spluttered. "And right here in our backyard. It doesn't seem hardly right. And on a Sunday, too."

Cynthia was pretty interested by now, and kept pecking into the nest and making faces, the way she did when Pop brought a bowl of frogs' legs into the kitchen one time. I guess girls just naturally don't like crawly things too much. To tell the truth, I don't either sometimes but this thing that had just hatched out looked kind of cute to me. Maybe that was because I had taken care of the egg so long. I felt as if the little dinosaur was almost one of the family.

We stood around for a long while looking at the strange new thing on the nest, trying to let the idea soak in that we had a dinosaur. After Dr. Ziemer calmed down a little he and Pop tightened up the chicken wire to make sure the little animal wasn't going to crawl out. Dr. Ziemer watched if perhaps she ought not to be taken out before she went out of her mind. Pop figured that it might be a good idea and he picked her up and cut her outside the pen. She acted a little dazed at first, but pretty soon she followed the other hens and began pen. She acted a little dazed at first, but pretty soon she followed the other hens and began scratching for worms like the rest of them.

Dr. Ziemer found a bird in the nest.

A．Right

B．Wrong

C．Not mentioned

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更多“The Enormous Egg Dr. Ziemer arrived while we were still staring at the thing in the nest.”相关的问题
第1题
The Enormous Egg is a serious story.A．RightB．WrongC．Not mentioned

The Enormous Egg is a serious story.

A．Right

B．Wrong

C．Not mentioned

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第2题
Breakfast is indispensable. Not only does it provide essential early-morning nourishment t
o people of all ages throughout the week, it's also becoming more and more trendy for both business meetings and social gatherings. Any time families and friends want to get together in a relaxed setting, they consider breakfast.

Why？ Because the meal has a universal appeal to all ages and all pocketbooks.

Low-carb diets also have brought once-forbidden breakfast foods back into favor. Egg consumption has risen steadily in recent years. "In 1993, it was 234.6 per capita; in 2003, the figure was 254.1," says Linda Braun, director of consumer education for the American Egg Board.

Miss Braun attributes some of this to dietary trends but says a more compelling reason is that eggs offer some newly identified benefits. "The yolks are rich in choline, a nutrient that shows promise in early studies for preventing memory loss in later life, and lutein, known to combat age-related macular degeneration and cataracts," she says.

Whatever the rationale, steak and eggs and a barnyard full of other egg dishes from frittatas to huevos rancheros are being devoured with gusto.

At home, omelets and toast have always been popular, in the week hours after a night on the town or when you're alone and want to curl up with some comfort food, a blanket, and a good book.

In restaurants, the meal once was pretty much over by 10 a.m. Today, that's no longer true. With changing lifestyles, people are enjoying breakfast fare at all hours of the day and evening, too. Numerous restaurants across America, including the most fashionable eateries, serve traditional morning foods well past noon.

At the Stamford, Conn., City Limits Diner, one of three diners by this name in the area, manager Margaret Callanan says that within the past few years, breakfast business probably has doubled.

"The first segment to arrive in morning are the 'suits', competitive lawyers and businessmen who use the hour to treat clients like guests rather than serving them bagels in their office," she says.

Typical of many diners, City Limits offers an enormous menu. Along with waffles and pancakes, it serves refined dishes that are surprising at a place in this category. A great favorite is Maryland-lump-crab-and-lobster cake Benedict. (If you leave out the English muffin, the rich combination is even low-carb-friendly.)

The most popular item is the country breakfast. It includes eggs, house-made hash brown potatoes, sausage, bacon and ham, plus multigrain toast from bread baked on the premises. At $7, it is a bargain.

Which of the following is NOT the reason that breakfast is essential？

A．People can obtain various kinds of nurture at breakfast.

B．Breakfast is appealing to people of all ages.

C．There is no other time for people to stay together except breakfast time.

D．It is now a tendency for business and social assembly to have breakfast simultaneously.

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第3题
With only about 1,000 pandas left in the world, China is desperately trying to clone （克隆

With only about 1,000 pandas left in the world, China is desperately trying to clone (克隆) the animal and save the endangered species. Dr. Duane Kraemer, a professor in Texas A & M’s College of Veterinary Medicine and a pioneer in embryo(胚胎) transfer work and related procedures, said he salutes the Chinese effort and "I wish them all the best success possible. It’s a worthwhile project, certainly not an easy one."

Noah’s Ark is aimed at collecting eggs, embryos, semens (精子) and DNA of endangered animals and storing them in liquid nitrogen. If certain species should become extinct, Kraemer says there would be enough of the basie building blocks to reintroduce the species in the future.

It is estimated that as many as 2,000 species of mammals, birds and reptiles will become extinct over the next 100 years. The panda, native only to China, is in danger of becoming extinct in the next 25 years.

This week, Chinese scientists said they grew an embryo by introducing cells from a dead female panda into the egg cells of a Japanese white rabbit. They are now trying to implant the embryo into a host animal.

The entire procedure could take from three to five years to complete.

"The nuclear transfer of one species to another is not easy, and the lack of available panda eggs could be a major problem," Kraemer believes.

"They will probably have to do several hundred transfers to result in one pregnancy. It takes a long time and it’s difficult, but this could be groundbreaking science if it works. They are certainly not putting any live pandas at risk, so it is worth the effort," adds Kraemer, who is one of the leaders of the Missyplicity Project at Texas A & M, the first-ever attempt at cloning a dog.

"They are trying to do something that’s never been done, and this is very similar to our work in Noah’s Ark. We’re both trying to save animals that face extinction. I certainly applaud their effort and there’s a lot we can learn from what they are attempting to do. It’s a research that is very much needed."

The aim of "Noah’s Ark" Project is to ______.

A．try to clone pandas

B．undergo some related procedures

C．introduce cells from a dead female panda into the egg cells of a Japanese white rabbit

D．save endangered animals from extinction

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第4题
Staff Profile: Dr. GreenJoseph Green, professor of chemical engineering, is an expert on i

Staff Profile: Dr. Green

Joseph Green, professor of chemical engineering, is an expert on interfacial processes, particularly on the development and application of x-ray scattering techniques for on-site studies of mineral-fluid interfaces.

Green earned bachelor's and master's degrees, as well as his 1960 Ph.D. in chemical engineering, at the University of Indiana. After four years at the Vivinex Corporation, he joined the faculty of Haverton University in 1963. He left Haverton in 1982 to become senior scientific advisor at Petro Energy Corporate Research Labs, and joined Staunton University's Chemical Engineering Department as professor in 1987.

Green was elected to the U.S. Engineering Council in 1990.

United Chemical Laboratories

1000 Corporate Drive

Lacy, NM 82144

February 10, 20—

Joseph Green, Ph.D.

Chemical Engineering Department

College of Chemistry

Staunton University

Menlo Park, CA 94025

Dear Professor Green,

In light of your renowned research and your contributions in the area of mineral-fluid interfaces, we would like to formally invite you to serve as an Invited Speaker at the upcoming Interfacial Process Symposium, to be held at United Chemical Laboratories, in Lacy, N.M., on May 15.

We hope your lecture will include a discussion of trends and current developments in X-ray scattering technology. We will provide roundtrip airfare, hotel accommodation, roundtrip airport transportation, as well as an honorarium of US $800.

If you are willing to accept our offer, we would appreciate you contacting us before April 1. I also will need your up-to-date curriculum vitae, and a brief abstract of our talk for inclusion in the conference proceedings. Please let us know if you will need to use a computer, overhead projector, or other display technology. We will be happy to arrange for copying any handouts you may have.

Your contribution to this symposium would be of enormous benefit to all the participants.

Please do not hesitate to contact me if you have any concerns and/or suggestions.

Yours sincerely,

Bruce Nagy, Ph.D.

Director of Corporate Research

United Chemical Laboratories

What is learned about Dr. Green？

A．He occasionally works as an advisor for private corporations.

B．He has spent his entire career studying mineral- fluid interfaces.

C．He received his graduate and undergraduate degrees from the same university.

D．He began working at Staunton University shortly after obtaining his doctorate.

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第5题
Shortages of flu vaccine are nothing new in America, but this year' s is a whopper. Until
last week, it appeared that 100 million Americans would have access to flu shots this fall. Then British authorities, concerned about quality-control problems at a production plant in Liverpool, barred all further shipments by the Chiron Corp. Overnight, the U.S. vaccine supply dwindled by nearly half and federal health officials found themselves making an unusual plea. Instead of beseeching us all to get vaccinated, they' re now urging most healthy people between the ages of 2 and 64 not to. "This reemphasizes the fragility of our vaccine supply," says Dr. Martin Myers of the National Network for Immunization Information, "and the lack of redundancy in our system."

Why is such a basic health service so easily knocked out？ Mainly because private companies have had little incentive to pursue it. To create a single dose of flu vaccine, a manufacturer has to grow live virus in a 2-week-old fertilized chicken egg, then crack the egg, harvest the virus and extract the proteins used to provoke an immune response. Profit margins are narrow, demand is fickle and, because each year's flu virus is different, any leftover vaccine goes to waste. As a result, the United States now has only two major suppliers (Chiron and Aventis Pasteur)--and when one of them runs into trouble, there isn' t much the other can do about it. "A vaccine maker can't just call up and order 40 million more fertilized eggs," says Manon Cox, of Connecticut-based Protein Sciences Corp. "There's a whole industry that's scheduled to produce a certain number of eggs at a certain time. "

Sleeker technologies are now in the works, and experts are hoping that this year's fiasco will speed the pace of innovation. The main challenge is to shift production from eggs into cell cultures--a medium already used to make most other vaccines. Flu vaccines are harder than most to produce this way, but several biotech companies are now pursuing this strategy, and one culture-based product (Solvay Pharmaceuticals' Invivac) has been cleared for marketing in Europe.

For Americans, the immediate challenge is to make the most of a limited supply. The government estimates that 95 million people still qualify for shots under the voluntary restrictions announced last week. That' s nearly twice the number of doses that clinics will have on hand, but only 60 million Americans seek out shots in a normal year. In fact, many experts are hoping the shortage will serve as an awareness campaign--encouraging the people who really need a flu shot to get one.

Shortages of flue vaccine show that ______.

A．America relies too much on foreign suppliers

B．the demand of flue vaccines is high this year

C．quality problem is a serious problem in flu vaccine production

D．the supply of flu vaccines is rather weak and America has no back-up measures to make it up

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第6题
Contrary to the impression that grandmothers are delighted to help their grown daughters a
nd care for their grandchildren, a study of multigenerational families indicates that many older women resent the frequent impositions of the younger generations on their home and energy.

"Young women with children are under a lot of pressure these days, and they expect their mothers to help them pick up the pieces", noted Dr. Bertram J. Choler, a behavioral scientist at the University of Chicago. "This is often the strongest source of resentment on the part of Grandmother, who has finished with child caring and now has her own life to live. Grandmothers like to see their children and grandchildren, but on their own time".

In all the four New England families studied, the older women resented the numerous phone calls and visits from their grown daughter, who often turned to their mothers for advice, physical resources, affection, and companionship as well as baby sitting services. "American society keeps piling on the burdens for older people, particularly those in their 50s and 60s", Dr. Choler said in an interview here. "They're still working and they're taking care of their grown children and maybe also their aged parents. Sometimes life gets to be too much. That's one reason many older folks move far away, to Florida or Arizona. They need more space and time to attend to their own affair and friends. Young people don't understand this, and that's part of what create tension between generations".

He has found that, contrary to what the younger generations may have thought, older people have an enormous amount to do. "More than half of working-class grandmothers still work, and if they're retired they have activities in the community that keep them occupied", he said. "Each generation has got to appreciate the unique needs of the other", Dr. Choler went on. "The younger generation has to realize that grandparents have busy, active lives and that they need privacy and more space for themselves. And the older generation has to realize that continuing to be part of the family is important to the younger generation and that they need help and support".

He noted that problems with interdependence between generations were likely to be more intense in working-class families than in middle and upper-class families. He explained that the working class tended to be geographically less mobile and to have fewer outside resources and that daughters were more likely to be reared with a strong family orientation and less emphasis on establishing an independent life.

What can be inferred from the sentence "Sometimes life gets to be too much" (Sentence 4, Paragraph 3)？

A．Older people enjoy their life very much.

B．To older people, sometimes life becomes very difficult.

C．There are so many things to do that the grandparents can't decide.

D．To older people, sometimes life is rewarding.

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第7题
听力原文：M: Hi, Cathy. I am here because I visited caves all over North America. Since you
are going to study cave formations, Dr. Bow asked me to come to share some of my experiences with you.

W: Hi, Bill. So wonderful! I can't wait to hear about it!

M: Recently, I visited the La Chagire Cave in New Mexico, my dream has always been to discover a new passage way. I had a chance there, because La Chagire is so large that discoveries are frequently made there.

W: Was it newly discovered？

M: The cave was not even discovered until 1986.

However, people in that area had figured that there must be a cave nearby, because of the strong wind that blew from behind the huge rock that covered the entrance. Enormous amount of air enter and exit the cave in order to maintain balance of the pressure with the inside air.

W: You must have had to fight heavy wind when you were in the cave.

M: Exactly, I had to fight 45 mile per hour winds. After all that effort, I had to be extremely careful maintaining my energy level. People who are tired tend to be careless, and may be more concerned about getting out of the cave than taking care of it.

W: Anything interesting or thrilling in the cave？

M: There are formations in La Chagire that look like ocean waves, Christmas trees and other stuff no one has ever seen before.

W: Caves are normally created by carbonic acid, right？

M: But this cave sculpted out by very powerful sulfuric acid that swells up from below.

(23)

A．He was asked to leads group of inexperienced carets there.

B．It was the first cave that he had ever visited.

C．Clearly marked trails made it easy to explore.

D．lie hoped to make a discovery.

点击查看答案
第8题
听力原文：Hello, everybody, I am here, because I visited caves all over North America. Sinc
e you are going to study cave formations, Dr. Bow asked me to come and share some of my experiences with you. In additional to describing some of the technical aspects of the caves, I would convey the sense of adventure that cavers share. Recently, I visited the La Chagire cave in New Mexico, my dream has always been to discover a new passage way. I had a chance here, because La Chagire is so large that discoveries are frequently made there. The cave itself was not even discovered until 1986. However, people in that area had figured that there must be a cave nearby, because of the strong wind that blew from behind the huge rock that covered the entrance. Enormous amounts of air enter and exit the cave in order to maintain balance of the pressure with the side air. When I climbed into the cave, I had to fight 45 mile per hour winds. After all that effort, I had to be extremely careful maintaining my energy level. People who are tired tend to be careless, and may be more concerned about getting out of the cave than taking care of it. There are formations in LaChagire that look like ocean waves, Christmas trees and other stuff no one has ever seen before. Caves are normally created by carbonic acid that trickles down from above, but this cave sculpted out by very powerful sulfuric acid that wells up from below.

(47)

A．She was asked to lead a group of inexperienced cavers there.

B．It was the first cave that she had ever visited.

C．Clearly marked trails mode it easy to explore.

D．She hoped to make a discovery.

点击查看答案
第9题
NASA, the U.S. space agency, believes there's a good chance that we're not alone

NASA, the U.S. space agency, believes there's a good chance that we're not alone in the universe. Last fall, NASA began a new project called the High Resolution Microwave Survey (HRMS). Its aim: to find evidence of life in one of the billions of galaxies in the universe.

The search for intelligent life on other planets isn't new. It began almost 100 years ago. That's when scientists built a huge transmitter to send radio waves into space. Scientists thought smart beings on other planets might pick up the signals.

Scientists also have sent a message about humans and our solar system to a nearby constellation (星座 ). But because the constellation is 25,000 light years away, a return message wouldn't reach Earth for 50,000 years! So don't wait up for an answer.

So far, no extraterrestrial (地球外的 ) beings that we know of have returned our “ calls. ” But according to Dr. Jill Tarter, an HRMS scientist, we haven't exactly had our ears wide open. “ Now, however, ” says Dr. Tarter, “ we've built the tools we need to listen well.”

Last October, Dr. Tarter switched on the largest radio receiver in the world. It's an enormous metal bowl stretching 1,000 feet across a valley in Puerto Rico.

Meanwhile, another NASA scientist turned on a huge radio receiver in California's Mojave Desert. NASA hopes these big dishes-and others around the world-will pick up radio signals from new world.

Dr. Frank Drake has been searching for life in outer space for years. He explains the HRMS project this way: To listen to your radio, you move the tuner on the dial until the channels come in loud and clear: Now imagine radio receivers that scan our galaxy “listening” to 14 million channels every second. That's what NASA's radio receivers in Puerto Rico and California are doing.

But that's not all. Powerful computers hooked to the receivers examine every signal carefully. The computers try to match the signals to ones that scientists already recognize, such as human-made signals. If they can't, Drake and Tarter check on them. “It could prove there is radio technology elsewhere in the universe, ” says Dr. Tarter. “ And that would mean we're not alone. ” 26、NASA scientists started a new project in order to _______.

A、discover life in other galaxies

B、send human beings into space

C、find evidence of a new galaxy

D、confirm the number of galaxies

27、According to Dr.Jill Tarter ,the reason why we haven't received any return any return messages from outer space is that_______.

A、our ears are not sharp enough to hear them

B、our equipment hasn't been good enough

C、it takes millions of yuars for them to reach us

D、it takes quite a long time to send them

28、Dr.Jill Tarter compares the large receiver to _______.

A、the human ear

B、the universe

C、a metal bowl

D、a huge dish

29、According to Dr.Frank Drake ,NASA's radio receivers in Puerto Rico and California are _______.

A、trying to check on every channel carefully

B、moving the tuner on the dial for clear channels

C、scanning the universe for possible signals

D、picking up radio signals from new world

30、The best title of this passage is ________.

A、Signals from the Space

B、The Invention of New Radio Receivers

C、The Intelligent Life in Outer Space

D、NASA Listens for Space Neighbors

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第10题
There have been several claims to have cloned humans over the past few years. Most have be
en bogus. But the announcement made this week by Woo Suk Hwang, of Seoul National University in South Korea, and his colleagues, is serious. It is the first to achieve the accolade of publication in a peer-reviewed scientific journal. Dr. Hwang's work appears in Science.

The terminology of human development has become slippery over the past few years, in the hands of both "life-begins-at-conception" propagandists who want to stop this sort of research, and publicity-seeking scientists who have claimed more than they have really achieved．What Dr. Hwang and his team have created is not what developmental biologists would normally refer to as an embryo. But it is a genuine scientific advance. South Korea's researchers have taken egg cells from volunteer women, removed the nuclei from those cells (which contain only half of the genetic complement required to make a human being, since the other half is provided by the sperm), and replaced each nucleus with one taken from one of the volunteer's body ceils (which contains a full genetic complement). Given a suitable chemical kick-start, such re-nucleated cells will begin dividing as though they were eggs that had been fertilised in the more traditional manner. Since they have all of the mother's genes, they count as clones.

Then the team cultured the dividing eggs until they had formed structures called blastocysts, with a few dozen cells each. This is the significant advance. At this stage the structure, though still just a featureless ball of cells, has started to differentiate into the body's three basic cell types (known as endoderm, mesoderm and ectoderm). The researchers were able to extract cells from some of their blastocysts, and grow tissues containing all three cell types.

These are so-called stem cells, which can be directed to form. a wide variety of the specialised cells from which organs are built. That, not the creation of new human beings, is the stated reason for this sort of research, since specialised ceils made this way might be used to replace the cells lost in diseases such as Parkinson's and type-I diabetes. This process is known as therapeutic cloning.

No doubt Dr Hwang's scientific success will sharpen the debate between those who see therapeutic cloning as a potential force for good, and those who see it as a step on the road to a cloned human being. The former have been queuing up to praise the scientist's work. It is "a major med- ical milestone" that could help spur a "revolution", said Robert Lanza, a cloning expert.

But opponents of therapeutic cloning should not worry too much yet. The road from a blast cyst to a baby is a long and complex one. Nevertheless, the South Korean breakthrough makes it more urgent than ever that legislation be passed differentiating clearly between therapeutic and reproductive cloning—permitting the former and prohibiting the latter.

What does the word "bogus" (Line 2) most probably mean？

A．Different.

B．Fake.

C．Bold．

D．Genuine.

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