Dr Smith, what I want to know is (全球变暖对地球会有什么影响). 题目和参考答案——青夏教育精英家教网—

题目内容

Dr Smith, what I want to know is ___________________________________ (全球变暖对地球会有什么影响). (effect)

what effects global warming will have on the earth

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相关题目

Dr. Smith, together with his wife and daughters, _____visit Beijing this summer.

A. is going to B. are going to C. was going to D. were going to

“Perhaps we need to send for Dr. Smith to see what we can do about it,” Father suggested ________ to his neighbor who had come to discuss the problem.

A. tentatively B. thoughtlessly C. definitely D. rudely

根据汉语句意完成下列句子。（每空0.5分，满分10分）

1.他学习不努力，结果没有通过期末考试。

He didn’t work hard,______ ______ ______, he didn’t pass the final examination.

2. 大部分学生对斯密斯博士的评价很高.

Most of the students ________ ________ _______Dr. Smith.

3.她的父亲说她必须结婚，于是亚特兰大就和她的父亲达成了一个协议。

Her father said she must marry, so Atlanta made ______ ______ with him.

4. 这些变化从某种意义来说是一种进步。

The changes are an improvement ______ ________ ________.

5.有了电脑的帮助，你会发现处理信息是不难的。

With the help of a computer, you will not find it hard to _______ _____ information.

6.只有在希腊出生的人才能成为古代奥运会的参赛者。

Only those who were born in Greece could be _______ _______competitors in ancient Olympic Games.

7. 我们每四周参加一次聚会。

We attend a party _________ _________ __________.

8.奥林匹克旗上的五环代表会什么？

What do the five rings on the Olympic flag ___________ _________ ?

Dr. Smith, together with his wife and daughters, _____ visit Beijing this summer.

A．is going to B．are going to

C．was going to D．were going to

Still waiting for little green men to make contact? Don't hold your breath.

A leading astronomer has concluded there probably aren't any aliens out there – meaning we are absolutely alone in the universe.

Even though there may be tens of thousands of other distant planets similar in size to Earth, the conditions on them are likely to be too hard to support life-forms such as ET.

Dr Howard Smith, a senior astrophysicist at Harvard University, believes there is very little hope of discovering aliens and, even if we did, it would be almost impossible to make contact.

So far astronomers have discovered a total of 500 planets in distant solar systems – known as extrasolar systems – although they believe billions of others exist.

But Dr Smith points out that many of these planets are either too close to the sun or too far away, meaning their surface temperatures are so bad that they could not support life. Others have unusual orbits which cause vast temperature variations, making it impossible for water to exist – the most important thing for life.

Dr Smith said, "We have found that most other planets and solar systems are wildly different from our own. It means it is highly unlikely there are any planets with intelligent life close enough for us to make contact." But his suggestions contradict other leading scientists who have claimed aliens almost certainly exist.

Only last month Professor Stephen Hawking said the fact that there are billions of galaxies out there made it reasonable to think there were other life-forms in the universe.

Researchers from the University of London have recently suggested that aliens could be living on as many as 40,000 other planets. But Dr Smith said: "Any hope of contact has to be limited to a relatively tiny space around the Earth, reaching maybe 1,250 light years out from our planet, where aliens might be able to pick up our signals or send us their own. But communicating would still take decades or centuries."

1.By saying ＂don’t hold your breath＂, the author advised the reader not to _____.

A．keep silent B．give up C．expect so D．be afraid

2.Dr Smith concludes there probably aren’t any aliens because other planets _____.

A．are too far away from the earth

B．are different from the Earth in size

C．don’t have rich natural resources

D．don’t have a suitable living environment

3.Researchers from the University of London are mentioned to show that ______.

A．they have better explanations about aliens

B．aliens certainly exist on many planets

C．they disagree with Dr Smith’s suggestion

D．aliens can pick up signals from the earth

4.What’s the main idea of the text?

A．There must be other life forms in the universe.

B．We can communicate with aliens in decades.

C．The chances of finding aliens are slight.

D．Many other planets are quite different from the Earth.

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