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提问人:网友marysnow 发布时间:2022-01-07
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What made scientists think animal can be made to work for us one day?A.Animals are very sk

What made scientists think animal can be made to work for us one day?

A.Animals are very skillful at a circus.

B.They are big and strong.

C.Some animals are as clever as human beings.

D.Animals can be trained because they like to get something as a reward.

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更多“What made scientists think animal can be made to work for us one day?A.Animals are very sk”相关的问题
第1题
After listening to the speech of the scientist, many of us become animal rights ___.
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第2题
Common sense would tell us that physically active children may be more likely to become active and healthy adults.In the United States, elementary and middle schools are advised to give students two and a half hours of physical activity a week.That is what the Centers for Disease Control and Prevention and the American Heart Association recommend (推荐). They say high schools should provide about four hours of physical activity each week. Yet many schools across the country have reduced their physical education programs. Criticism of the cuts has led in some places to efforts to give students more time for exercise, not less.

The future health of Americans may depend on it. Just this week, a study reported that life expectancy (预期寿命) has fallen or is no longer increasing in some parts of the United States. The situation is worst among poor people in the southern states, and especially women. Public health researchers say it is largely the result of increases in obesity (肥胖), smoking and high blood pressure. They also blame differences in health services around the country.

In 2006, a study found that only four percent of elementary schools provided daily physical education all year for all grades. This was true of eight percent of middle schools and two percent of high schools. The study also found that 22 percent of all schools did not require students to take any P. E. (体育课).

Charlene Burgeson is the executive director of the National Association for Sport and Physical Education. She says one problem for P. E. teachers is that schools are under pressure to put more time into academic subjects. Also, parents may agree that children need exercise in school. Yet many parents today still have bad memories of being chosen last for teams because teachers favored the good athletes in class.

But experts say P. E. classes have changed. They say the goal has moved away from competition and toward personal performance, as a way tp build a lifetime of activity. These days, teachers often lead activities like weight training and yoga. Some parents like the idea of avoiding competitive sports in P.E class. Yet others surely dislike that idea. In the end, schools may find themselves in a no-win situation.

Why are schools recommended to give students certain time for sports?

A.Because different schools set up different physical education programs.

B.Because the physical activity of children will influence their health in adulthood.

C.Because nowadays children spend too much time on their studies.

D.Because only four percent of elementary schools provided daily physical education.

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第3题
He had little idea that it was getting so late, ______?A.didn' t heB.wasn' t itC.did heD.w
He had little idea that it was getting so late, ______?

A.didn' t he

B.wasn' t it

C.did he

D.was it

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第4题
The new large passenger jets have made the traffic problems at airports _______. A.more bad than it was B.the worse than before C.worse than ever before D.more bad than they were

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第5题
To us it seems so natural to put up an umbrella to keep the water off when it rains, but actually the umbrella was not invented as protection against rain. Its first use was as a shade against the sun.

Nobody knows who first invented it, but the umbrella was used in very ancient times. Probably the Chinese were the first to use it in the eleventh century B. C.

We know that the umbrella was used in ancient Egypt and Babylon as a sunshade. And there was a strange thing connected with its use: it became a symbol of honor and authority. In the Far East in ancient times, the umbrella was allowed to be used only by the king or by those in high office.

In Europe, the Greeks were the first to use the umbrella as a sunshade. And the umbrella was in common use in ancient Greece. But it is believed that the first persons in Europe to use the umbrella as protection against the rain were the ancient Romans. During the Middle Ages, the use of the umbrella practically disappeared. Then it appeared again in Italy in the late sixteenth century. And again it was considered a symbol of power and authority. By 1680, the umbrella appeared in France, and later on in England.

By the 18th century the umbrella was used against rain throughout most of Europe. Umbrella did not change much in style. during all this time, though they became much lighter in weight. It was not until the twentieth century that women's umbrellas were made, in a whole variety of colors.

According to this passage, the umbrella was probably first invented

A.in ancient China

B.in ancient Europe

C.in ancient Greece

D.in ancient Rome

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第6题
We use both words and gestures to express our feelings ,but the problem is that these words and gestures can be understood in different ways .

It is true that a smile means the same thing in any language . So does laughter or crying . There are also a number of striking similarities in the way different animals show the same feelings . Dogs , tigers and humans , for example , often show their teeth when they are angry . This is probably because they are born with those behavior. patterns .

Fear is another emotion that is shown in much the same way all over the world . In Chinese and English literature , a phrase like “he went pale and began to tremble”suggests that the man is either very afraid or deeply shocked . However , “he opened his eyes wide ” is used to suggest anger in Chinese whereas in English it means surprise . In Chinese surprise can be described in a phrase like “they stretched out their tongues ”. Sticking out your tongue in English is an insulting gesture or expresses strong dislike .

Even in the same culture , people differ in the ability to understand and express feelings Experiments in America have shown that women are usually better than men at recognizing fear ,anger love and happiness on people’s faces . Other studies show that older people usually find it easier to recognize or understand body language than younger people do .

According to the passage , _________.

A.we can hardly understand what people’s gestures mean

B.words and gestures may have different meanings in different cultures

C.words can be better understand by older people

D.gestures can be better understand by most of the people while words can not

People’s facial expressions may be misunderstand because______。A.people of different ages may have different understandings

B.people have different cultures

C.people of different sexes may understand a gesture differently

D.people of different countries speak different languages

Even in the same culture , people_______.A.have different abilities to understand and express feelings

B.have exactly the same understanding of something

C.never fail to understand each other

D.are equally intelligent

From this passage .we can conclude_______.A.words are used as frequently as gestures

B.words are often found difficult to understand

C.words and gestures are both used in expressing feelings

D.gestures are more efficiently used than words

The best title for this passage be________.A.Words and Feelings

B.Words,Gestures and Feelings

C.Gestures and Feelings

D.Culture and Understanding

请帮忙给出每个问题的正确答案和分析,谢谢!

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