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提问人：网友dsfsdgfds 发布时间：2022-01-07

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回答题。When the sun started to set, Jim headedfor home. He had hunted long enough. Just th

回答题。

When the sun started to set, Jim headedfor home. He had hunted long enough. Just then he saw there is, 30 feet in front of him, a wolf.

Jim looked around. There were other wolfs in the76.__________

woods in his right, who were waiting for their77.__________

leader move. The boy did not lift his gun. His78.__________

heart beaten like a drum (鼓). Jim walked on79.__________

with the leader wolf in front and others behind following him.80.__________

The leader wolf was full of the fright in back of Jim. Suddenly Jim81.__________

turned back and shot at the front wolf. Then the others82.__________

stopped short, and Jim started to ran. He looked back 83.__________

and saw the beasts stand around the dead body of84.__________

their leader. Without their leader, they wereso brave. 85.__________

第76题__________

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更多“回答题。When the sun started to set, Jim headedfor home. He had hunted long enough. Just th”相关的问题

第1题

根据以下材料回答题 We experience different forms of the sun' s energy every day．The

根据以下材料回答题

We experience different forms of the sun' s energy every day．The sun is the major source ofenergy for our planet．It causes the evaporation (蒸发) of water from the oceans and lakes．Sun-light also provides the energy used by green plants to make their own food．

Much of the energy that comes from the sun never reaches the earth' s surface．It is either re-fleeted or absorbed by the gases in the upper atmosphere．Of the energy that reaches the lower at-mosphere, 30% is reflected by clouds or the earth' s surface．The remaining 70% warms the surfaceof the planet, causes water to evaporate, and provides energy for the water cycle and weather．

Only a tiny part, approximately 0．023%, is actually used by green plants to produce food．

Many gases found in the atmosphere actually reflect heat energy escaping from the earth' s sur-face back to the earth．These gases act like the glass of a greenhouse in that they allow energy fromthe sun to enter but prevent energy form. leaving．They are therefore called greenhouse gases．

When sunlight strikes an object, some of the energy is absorbed and some is reflected．Theamount reflected depends on the surface．Dark-colored surfaces, such as dark soil or forest, absorbmore energy．

According to the passage， the root cause for weather changes on the earth is __________．查看材料

A.the atmosphere surrounding the earth

B.water from oceans and lakes

C.energy from the sun

D.greenhouse gases in the sky

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第2题

根据以下内容回答题：When l was a child，I lived with my mother，my father having been away to

根据以下内容回答题：

When l was a child，I lived with my mother，my father having been away to work in the town．1 was then not（1）nine years old，lonely and expectant，（2）for things which I knew little about．1 walked out alone one morning along the mountain tops（3）my home stood．The sun had not yet risen，and the air（4）rain of the night and he mountain grass was heavy（5）tiny drops of water．As I looked back，I could see the marks my feet（6）on the long grassy slope behind me．1 walked till I came to a place（7）a little stream ran into the deep valley below．Here it passed between soft．（8）banks：at one place a large slice of earth had fallen away from the bank on the other side，and it had made a little island a few feet wide with water（9）all round it．It was covered with a weed with vellow flowers and long waving grasses．I sat down on the bank（10）a short pine tree．All the plants on the island were dark with the heavy raindrops of the night，and the sun had not vet risen．

A.yet

B.however

C.but

D.nevertheless

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第3题

请根据短文的内容，回答题。 Save Energy at HomeOn the average, Americans waste as much energy

请根据短文的内容，回答题。

Save Energy at Home

On the average, Americans waste as much energy as two-thirds of the world&39;s population consumes. That&39;s largely the __________ .(51) of driving inefficient cars, using inefficient appliances (设备), and living and working in poorly insulated (隔热)buildings. Then what can you do to __________ (52) the situation？＜br＞

Buy energy-efficient products--buy new appliances or electronics of the highest energy-efficiency rating. New energy-efficient models may cost more initially, but have a lower operating __________ (53)over their lifetimes. The most energy-efficient models __________ (54) the Energy Star label, which identifies products __________ (55) use 20-40 percent less energy than standard new products.＜br＞

According to the EPA (美国环境保护署), the typical American household can save about $400 per year in __________ (56) bills with products that carry the Energy Star.＜br＞

Switch to compact fluorescent bulbs (荧光灯) --change the three bulbs you use __________ .(57)in your house to compact fluorescents. Each compact fluorescent bulb will keep half a ton of CO2 out of the air __________ (58) its lifetime. __________ .(59), compact fluorescent bulbs last ten times as long and can save $30 per year in electricity costs.＜br＞

Set heating and cooling temperatures correctly--check thermostats (温度自动调节器) in your home to make sure they are __________ (60) at a level that doesn&39;t waste energy. Turn off lights and other electrical appliances such as televisions and radios when you&39;re not __________ .(61) them. Install automatic timers for lights that people in your house frequently __________(62) to turn them off when leaving a room. Let the sun shine in--the cheapest and most energy-efficient light and heat source is often fight outside your window. On __________ (63) days, open blinds (百叶窗) to let the sun light your home for free. Also remember that .(64) entering a room equals passive solar heating.＜br＞

Even on cold winter days, sun streaming into a room can raise the temperature by several __________ (56).

__________ 查看材料

A.power

B.result

C.way

D.work

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第4题

阅读材料，回答题。 The Adjustment in Understanding of Man"s Relation to the Physical Univers

阅读材料，回答题。

The Adjustment in Understanding of Man"s Relation to the Physical Universe

Nowadays the scattering of galaxies and the astounding abundance of stars are forcing those who ponder such matters to a further adjustment of their concept of the place and function of man in the material universe.

In the history of the51human mind， with its increasing knowledge of the surrounding context， there must have been a time when the philosophers of the52tribes began to realize that the world was not simply centered on man himself. The geocentric concept， which accepted a universe centered on the earth， then became common53

The second adjustment in the understanding of man"s relation to the physical universe was not generally acceptable54the sixteenth century. Copernican revolution soundly55the heliocentric Concept， the theory of a universe56on the sun. Man is a stubborn adherent to official dogma; eventually， however， he accepted the sun as the center.

Then， forty years ago， came the need for a third adjustment. This57has deeply exploded man"s pride and58， for it has carried with it the knowledge of the appalling number of galaxies.

The galactocentric universe59puts the earth and its life near the edge of one great galaxy in a universe of millions of galaxies. Man becomes peripheral among the billions of stars of his own Milky Way; and， according to the revelations of paleontology and geochemistry， he is60and apparently transient in the61of cosmic time.

The downgrading of the earth and sun and the elevation of the galaxies is not the end of this62of scientific pilgrims through philosophic fields. The need for another63adjustment now64not wholly unexpected by scientists，65wholly the result of one or two scientific revelations.

Our new problem concerns the spread of life throughout the universe. As unsolicited spokesmen for all the earthly organisms of land， sea， and air， we ask the thrilling question: Are we alone？

请在第__（51）__处填上正确答案。查看材料

A.ingenious

B.evolving

C.creative

D.eligible

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第5题

根据下面内容，回答题： Imagine going to sleep in October and waking up in May! Well， marmot

根据下面内容，回答题：

Imagine going to sleep in October and waking up in May! Well， marmots and ground squirrels stay warm by sleeping all winter. All this time， they do not wake up once. This special kind of sleep is called hibernation. During this sleep， the heart slows down， and the animal breathes more slowly， it doesn"t move around， so it uses less energy.

Animals like the marmot and the ground squirrel inhabit the coldest parts of the world. They need special talents to survive in these frigid places. Their furry coats keep them snug when the temperature falls below zero. It often gets this cold in the Arctic， a land that is just below the North Pole.

Before the long winter， some animals eat and eat. After a while， they grow very fat. When the winter comes， they live on the fat saved up in their bodies. Layers of fat keep an animal warm.

Arctic animals also have other ways to beat the cold. Rabbits in the Arctic， for example， have very small ears. Small ears keep heat in， while big ears let it out. Small things usually keep heat in.

Have you ever slept in a room that is very small， and noticed how hot it can get？

It rarely gets warm in the Arctic. But although summer seasons there are very short， the sun shines brightly. Plants seem to spring up before your eyes! Animals such as caribou look forward all year to summer， when they can eat fresh grass again. Every minute of sunshine is important to their lives.

A good title for this passage would be_________. 查看材料

A.the Arctic Summer

B.Marmots and Squirrels

C.Keeping Warm in the Arctic

D.Freezing Temperatures

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第6题

根据以下材料，回答题Black Holes（1） Black holes can be best described as a sort of vacuum， s

根据以下材料，回答题

Black Holes

（1） Black holes can be best described as a sort of vacuum， sucking up everything in space.

Scientists have discovered that black holes come from an explosion of huge stars. Stars that are near death can no longer bum due to loss of fuel， and because its temperature can no longer control the gravitational （重力的） force， hydrogen ends up putting pressure onto the star"s surface until it suddenly explodes then collapses.

（2） Black holes come from stars that are made of hydrogen， other gases and a few metals.

When these explode it can turn into a stellar-mass （恒星质量） black hole， which can only occur if the star is large enough （should be bigger than the sun） for the explosion to break it into pieces， and the gravity starts to compact every pieceinto the tiniest particle. Try to see and compare: if a star that"s ten times the size of the sun end up being a black hole that"s no longer than 70 kilometers， then the Earth would become black hole that"s only a fraction of an inch!

（3） Objects that get sucked in a black hole will always remain there， never to break free. But remember that black holes can only gobble up （吞噬） objects within a specific distance to it.

It"s possible for a large star near the sun to become a black hole， but the sun will continue to stay in place. Orbits （轨道） do not change because the newly formed black hole contains exactly the same amount of mass as when it was a star， only this its mass is totally contracted that it can end up as no bigger than a state.

（4） So far， astronomers have figured out that black holes exist because of Albert Einstein"s theory of relativity. In the end， through numerous studies， they have discovered that black holes truly exist. Since black holes trap light and do not give off light， it is not possible to detect black holes via a telescope. But astronomers continue to explore galaxies （星系），space and the solar system to understand how black holes. It is possible that black holes can exist for millions of years， and later contribute further process in galaxies， which can eventually lead to creation of new entities. Scientists also credit black holes as helpful in learning how galaxies began to form.

Paragraph 1 __________ 查看材料

A.Is there proof that black holes really exist？

B.What are different types of black holes？

C.How are black holes formed？

D.How were black holes named？

E.What happens to the objects around a black hole？

F.What are black holes made of ？

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第7题

回答题。 Electromagnetic Energy1. White light seems to be a combination of all colors. Th

回答题。

Electromagnetic Energy

1. White light seems to be a combination of all colors. The energy that comes from a source of light is not limited to the kind of energy you can see. Heat is given off by a flame or an electric light. On a cloudy day it is possible to get a sunburn even though you feel cool. Visible light and the kind of energy that produce warmth and sunburn are examples of electromagnetic energy.

2. The sun is 93 million miles from the earth. Yet we can use energy from the sun because electromagnetic energy travels through space.

3. Many other kinds of energy are also types of electromagnetic energy. Radio, television, and radar signals travel from transmitters to receivers as low-energy electromagnetic waves. Infrared (红外线的 ) radiation is an electromagnetic wave. When it is absorbed by matter, heat is produced. Waves of infrared and visible light have more energy than waves of radio, television, or radar. Ultraviolet rays (紫外线 ) and X-rays are electromagnetic waves with even greater amounts of energy. Infrared radiation is used in cooking food and heating buildings. Sunlight and electric lights are part of our requirements for normal living. Ultraviolet radiation is useful in killing certain disease organisms. X-rays and gamma rays have so mush energy that they travel right through solid objects. They can be used to detect and treat cancer. X-rays are used in industry to find hidden cracks in metal, and in medicine to reveal broken bones.

4. Usually we use electricity to generate electromagnetic energy. The source of most of our energy is the sun. Heat from the sun causes water to evaporate. When the water falls to the earth as rain, some of it is trapped behind dams and then used to operate electric generators. Other generators are powered by coal, but the energy stored in coal came from the sun, too.

5. Until recently, the source of the tremendous amount of energy given off by the sun was a puzzle. If the sun depended on chemical reactions, it would have used up all its energy long ago. Experiments with electromagnetic radiation led to the theory that mass can be converted into energy. About forty years after the theory was proposed, nuclear energy was harnessed (利用 ) by man. Chemical energy comes from electron (电子 ) rearrangement. Nuclear energy comes from a change in the nucleus of an atom. Compared with chemical reactions, nuclear reactions release millions of times more energy per pound of fuel. We now believe that the sun&39;s energy comes from the nuclear reactions in which hydrogen is changed into helium (氦 ) .

6. Nuclear energy is beginning to compete with coal as an economical source of power to generate electricity. It is also being used to operate engines in large ships. Scientists continue to seek new and better methods of obtaining and using energy.

Paragraph 3__________ 查看材料

A.Nuclear reactions as the lasting source of the sun"s energy

B.The most important source of energy

C.Types of electromagnetic energy

D.The machines used for energy generation

E.Seeking new sources of energy

F.The use of ultraviolet radiation in medicine

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第8题

根据以下材料，回答题Sharks Perform. a Service for Earth"s WatersIt is hard to get people to

根据以下材料，回答题

Sharks Perform. a Service for Earth"s Waters

It is hard to get people to think of sharks as anything but a deadly enemy. They are thought to 51______ people frequently. But these fish perform. a 52______ service for earth"s waters and for human beings. Yet business and sport fishing are threatening their 53______ Some sharks are at risk of disappearing from 54______

Warm weather may influence both fish and shark activity. Many fish swim near coastal areas 55______ their warm waters. Experts say sharks may follow the fish into the same areas，56______ people also swim. In fact， most sharks do not purposely charge at or bite humans. They are thought to mistake a person 57______ a sea animal， such as a seal or sea lion. That is why people should not swim in the ocean when the sun goes down or comes up. Those are the 58______ when sharks are looking for food. Experts also say that bright colors and shiny jewelry may cause sharks to attack.

A shark has an extremely good sense of smell4. It can find small amounts of substances in water， such as blood， body liquids and 59______ produced by animals. These powerful 60______ help sharks find their food. Sharks eat fish， any 61______ sharks， and plants that live in the ocean.

Medical researchers want to learn more about the shark"s body defense， and immune 62______ against disease. Researchers know that sharks 63______ quickly from injuries. They study the shark in hopes of finding a way to fight human disease.

Sharks are important for the world"s 64______. They eat injured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too 65______

This protects the plants and other forms of life that exist in the oceans.

回答（51）题查看材料

A.attack

B.meet

C.love

D.visit

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第9题

根据材料，回答题。 Sharks Perform. a Service for Earth"s Waters.It is hard to get people to

根据材料，回答题。

Sharks Perform. a Service for Earth"s Waters.

It is hard to get people to think of sharks as anything but a deadly enemy. They are thought to________ （51 ）people frequently. But these fish perform. a ________ （52 ）service for earth"s waters and for human beings. Yet business and sport fishing are threatening their________ （53）. Some sharks are at ________ （54） of disappearing from earth.

Warm weather may influence both fish and shark activity. Many fish swim near coastal areas________ （55 ） their warm waters. Experts say sharks may follow the fish into the same areas，________ （56）people also swim. In fact，most sharks do not purposely charge at or bite humans.

They are thought to mistake a person________ （57 ） a sea animal， such as a seal or sea lion. That is why people should not swim in the ocean when the sun goes down or comes up. Those are the________.（58 ）when sharks are looking for food. Experts also say that bright colors and shiny jewelry may cause sharks to attack.

A shark has an extremely good sense of smell. It can find small amounts of substances in water， such as blood， body liquids and ________ （59）produced by animals. These powerful________ （60） help sharks find their food. Sharks eat fish， any________ （61 ） sharks ，and plants that live in the ocean.

Medical researchers want to learn more about the shark"s body defense and immune systems________ .（62） disease. Researchers know that sharks ________ （63）quickly from injuries. They study the shark in hopes of finding a way to fight human disease.

Sharks are important for the world"s________.（64）. They eat injured and diseased fish. Their hunting activities mean that the numbers of other fish in ocean waters do not become too________ （65）. This protects the plants and other forms of life that exist in the oceans.

回答（51）题查看材料

A.attack

B.meet

C.love

D.visit

点击查看答案

第10题

根据以下内容回答题：“Too many people view their jobs as a five-day prison from which they a

根据以下内容回答题：

“Too many people view their jobs as a five-day prison from which they are paroled every Friday，”says Joel Gook man，founder of The Humor Project，a humor-consulting group in Saratoga Springs，N．Y．Humor unlocks the’office prison because it lets adults bring some of their childlike spirit to the job．

According to Howard Polli0，professor of psychology at the University of Tennesse，Knox-ville，an office with humor breaks is an office with satisfied and productive employees．Pollio conducted a study that proved humor can help workers excel at routine production task．Employees perform. better when they have fun．

In large corporations with a hierarchy of power，there is often no outlet for stress，“Every company needs underground ways of、poking fun at the organization，”says Lynn Mark，a speak-er on workplace humor for St．Mary’S Health Center in St．Louis．

Kodak’S Rochester，New York branch discovered a way for its 20 000employees to uncork their bottomed-up resentments．Their 1 000．square．foot“Humor Room”features a“toy store．”Among the room's many stress-reducing gadgets，the main attraction is a boss doll with Velcro antis and legs．Employees can dismantle the boss，as long as they put its arms and legs back in place．

Every April Fool’S day，Sun Micro systems of mountain View，Calif．，concocts(虚构)an intricate hoax(恶作剧)aimed at one of its employees．One year，CEO Scott McNealy’S office was decorated as a one-hole，par—four miniature golf course．The annual gag does so much for encouraging teamwork and boosting morale that the company has set aside an April Fool’s hoax budget．

Sandy Cohen，owner of a graphic print-production business，created“The Quote Board” to document the amusing phrases people say when under strict deadlines．“When you’re under stress，you say stupid things，”says Cohen．“Now we just look at each other and say，That’S one for the Quote Board!”

An office is compared to a five-day prison because__________ ．查看材料

A.the door of an office is always locked

B.the office workers have no freedom

C.there iS no work break in the office

D.the atmosphere in the office is boring

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