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提问人:网友ake240 发布时间:2022-01-07
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According to the passage, which of the following statements is TRUE?A.The mineral elements

According to the passage, which of the following statements is TRUE?

A.The mineral elements will not be absorbed by the plant unless they are dissolved in its root.

B.The woody stems contain more water than the leaves.

C.Air existing around the leaf is found to be saturated.

D.Only part of the carbon dioxide in the plants is synthesized.

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更多“According to the passage, which of the following statements is TRUE?A.The mineral elements”相关的问题
第1题
Selectthe following true ways that can be used to represent states for an agent. 选择下列哪些方法可以用于表示智能体的状态

A、Atomic 原子式

B、Distributed 分布式

C、Factored 因子式

D、Networked 网络式

E、Molecular 模块式

F、Structured 结构式

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第2题
According to your lecture, which of the following statement is NOT the tip of making informative speeches?

A、Figure out the specific purpose, list main points and use a proper organizational pattern.

B、Use Strategies like definition, demonstration, description, comparison or contrast.

C、Use jargons to make your speech sound technical and professional.

D、Be creative.

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第3题
What is the trend in education that has led to an increase in obesity?

A.Banning all types of soda drinks in schools,

B.Adding more academic classes at the expense of physical education.

C.No readily available sports programs for everyone.

D.The tendency to neglect courses on healthy eating.

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第4题
Talks and Conversations

Directions: In this part of the test, you will hear several short talks and conversations. After each of these, you will hear a few questions. Listen carefully because you will hear the talk or conversation and questions ONLY ONCE, when you hear a question, read the four answer choices and choose the best answer to that question. Then write the letter of the answer you have chosen in the corresponding space in your ANSWER BOOKLET.

听力原文:W: What are you laughing about?

M: I just saw the serious advertisement on TV for Germen soups. It's said our products are home-made with the freshest vegetables and fruits. Then a scene in the factory showed that products were prepared and packed by the most sophisticated machinery. W: And I am sure that the word NATURE was put on the jars and cans of the products. I think the stupidest advertisements are those that imply that you are one of a kind. If you buy the product, you will be a very special person. Now you will be just like every other one of the 20 billion people who bought it.

M: That's really silly. But to me, the dullest of them all is when advertisers put a celebrity on TV to talk about a particular brand of soap or about a particular car. I bet that the celebrity's never used the product before they got the job of appearing in the commercial.

W: Yeah! But most of these commercials work and people remember the product.

M: I agree, here we are talking about ads we've seen, aren't we? We are all influenced by those celebrities and brand names.

W: I think teenagers are specially vulnerable. Advertisers try to get teenagers used to a brand because they know that in later years, the teenagers will stick to that particular product of theirs.

(31)

A.The products were all made from fresh vegetables and fruits.

B.The homemade products were actually made in the factory.

C.The factory was equipped with the most sophisticated machinery.

D.There were homemade fresh vegetables and fruits in the factory.

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第5题
A.To better explain how to use that product.

B.To help reduce the promotion cost of that product.

C.To induce more famous people to use that product.

D.To get TV viewers to remember that product.

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第6题
This month Singapore passed a bill that would give legal teeth to the moral obligation to support one's parents. Called the Maintenance of Parents Bill, it received the backing of the Singapore Government.

That does not mean it hasn't generated discussion. Several members of the Parliament opposed the measure as un-Asian. Others who acknowledged the problem of the elderly poor believed it a disproportionate response. Still others believe it will subvert relations within the family: cynics dubbed it the "Sue Your Son" law.

Those who say that the bill does not promote filial responsibility, of course, are right. It has nothing to do with filial responsibility. It kicks in where filial responsibility fails. The law cannot legislate filial responsibility any more than it can legislate love. All that the law can do is to provide a safety net where this morality proves insufficient. Singapore needs this bill not to replace morality, but to provide incentives to shore it up.

Like many other developed nations, Singapore faces the problems of an increasing proportion of people over 60 years of age. Demography is inexorable. In 1980, 7.2% of the population was in this bracket. By the end of the century that figure will grow to 11%. By 2030, the proportion is projected to be 26%. The problem is not old age per se. It is that the ratio of economically active people to economically inactive people will decline.

But no amount of government exhortation or paternalism will completely eliminate the problem of old people who have insufficient means to make ends meet. Some people will fall through the holes in any safety net.

Traditionally, a person's insurance against poverty in his old age was his family. This is not a revolutionary concept. Nor is it uniquely Asian. Care and support for one's parents is a universal value shared by all civilized societies.

The problem in Singapore is that the moral obligation to look after one's parents is unenforceable. A father can be compelled by law to maintain his children. A husband can be forced to support his wife. But, until now, a son or daughter had no legal obligation to support his or her parents.

In 1989, an Advisory Council was set up to look into the problems of the aged. Its report stated with a tinge of complacency that 950% of those who did not have their own income were receiving cash contributions from relations. But what about the 5% who aren't getting relatives' support? They have several options: (a) get a job and work until they die; (b) apply for public assistance (you have to be destitute to apply); (c) starve quietly. None of these options is socially acceptable. And what if this 5% figure grows, as it is likely to do, as society ages?

The Maintenance of Parents Bill was put forth to encourage the traditional virtues that have so far kept Asian nations from some of the breakdowns encountered in other affluent societies. This legislation will allow a person to apply to the court for maintenance from any or all of his children. The court would have the discretion to refuse to make an order if it is unjust.

Those who deride the proposal for opening up the courts to family lawsuits miss the point. Only in extreme cases would any parent take his child to court. If it does indeed become law, the bill's effect would be far more subtle.

First, it will reaffirm the notion that it is each individual's—not society's—responsibility to look after his parents. Singapore is still conservative enough that most people will not object to this idea. It reinforces the traditional values and it doesn't hurt a society now and then to remind itself of its core values.

Second, and more important, it will make those who are inclined to shirk their responsibilities think twice. Until now, if a person asked family elders, clergymen or t

A.received unanimous support in the Singapore Parliament

B.was believed to solve all the problems of the elderly poor

C.was intended to substitute for traditional values in Singapore

D.was passed to make the young more responsible to the old

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第7题
Which of the following is true about the American future-mindedness?A.The majority of the
Which of the following is true about the American future-mindedness?

A.The majority of the Nobel winners have lived or worked in America.

B.Most Americans are innovative and willing to start their own business.

C.The American future-mindedness is both a blessing and a curse.

D.American venture-capital firms consist of futuristic dwarfs from nations all over the world.

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第8题
Statements

Directions: In this part of the test, you will hear several short statements. These statements will be spoken ONLY ONCE, and you will not find them written on the paper, so you must listen carefully. When you hear a statement, read the answer choices and decide which one is closest in meaning to the statement you have heard. Then write the letter of the answer you have chosen in the corresponding space in your ANSWER BOOKLET.

听力原文:Mrs Jones came to meet us at the airport. We thought she was the secretary, but she turned out to be the president of the company.

(21)

A.We were met by the head of the company at the airport.

B.We knew Mrs. Jones was the president of the company.

C.Mrs. Jones used to be the secretary of the company.

D.Mrs. Jones came to see us off at the airport.

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第9题
It can be inferred from the passage that the author would be most likely to agree with which of the following statements ______.

A.A truly great thinker makes no mistakes

B.Periods of intellectual achievement are periods of unorthodox reflection

C.The refutation of accepted ideas can best be provided by one's own teachers

D.excessive controversy prevents clear thinking

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第10题

Can electricity cause cancer? In a society that literally runs on electric power, the very idea seems preposterous. But for more than a decade, a growing band of scientists and journalists has pointed to studies that seem to link exposure to electromagnetic fields with increased risk of leukemia and other malignancies. The implications are unsettling, to say the least, since everyone comes into contact with such fields, which are generated by everything electrical, from power lines and antennas to personal computers and micro-wave ovens. Because evidence on the subject is inconclusive and often contradictory, it has been hard to decide whether concern about the health effects of electricity is legitimate or the worst kind of paranoia.

Now the alarmists have gained some qualified support from the U. S. Environmental Protection Agency. In the executive summary of a new scientific review, released in draft form. late last week, the EPA has put forward what amounts to the most serious government warning to date. The agency tentatively concludes that scientific evidence "suggests a causal link" between extremely low- frequency electromagnetic fields those having very longwave-lengths--and leukemia, lymphoma and brain cancer. While the report falls short of classifying ELF fields as probable carcinogens, it does identify the common 60-hertz magnetic field as "a possible, but not proven, cause of cancer in humans. "

The report is no reason to panic--or even to lose sleep. If there is a cancer risk, it is a small one. The evidence is still so controversial that the draft stirred a great deal of debate within the Bush Administration, and the EPA released it over strong objections from the Pentagon and the White House. But now no one can deny that the issue must be taken seriously and that much more research is needed.

At the heart of the debate is a simple and well-understood physical phenomenon: When an electric current passes through a wire, it generates an electromagnetic field that exerts forces on surrounding objects. For many years, scientists dismissed any suggestion that such forces might be harmful, primarily because they are so extraordinarily weak. The ELF magnetic field generated by a video terminal measures only a few milligauss, or about one-hundredth the strength of the earth's own magnetic field. The electric fields surrounding a power line can be as high as 10 kilovolts per meter, but the corresponding field induced in human cells will be only about 1 millivolt per meter. This is far less than the electric fields that the cells themselves generate.

How could such minuscule forces pose a health danger? The consensus used to be that they could not, and for decades scientists concentrated on more powerful kinds of radiation, like X-rays, that pack sufficient wallop to knock electrons out of the molecules that make up the human body. Such "ionizing" radiations have been clearly linked to increased cancer risks and there are regulations to control emissions.

But epidemiological studies, which find statistical associations between sets of data, do not prove cause and effect. Though there is a body of laboratory work showing that exposure to ELF fields can have biological effects on animal tissues, a mechanism by which those effects could lead to cancerous growths has never been found.

The Pentagon is far from persuaded. In a blistering 33-page critique of the EPA report, Air Force scientists charge its authors with having "biased the entire document" toward proving a link. "Our reviewers are convinced that there is no suggestion that (electromagnetic fields) present in the environment induce or promote cancer," the Air Force concludes. "It is astonishing that the EPA would lend its imprimatur on this report. " Then Pentagon's concern is understandable. There is hardly a unit of the modern military that does not depend on the heavy use o

A.studies on the cause of cancer

B.controversial view-points in the cause of cancer

C.the relationship between electricity and cancer

D.different ideas about the effect of electricity on cancer

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