题目内容

【题目】完成句子

1即使我们不能通过这次考试, 我们也要尽最大努力。

Wewilltryourbest__________wecan'tpasstheexam.

2如果他不邀请我, 我不会去参加他的晚会。

Iwon'tgotohisparty__________heinvitesme.

3通过这个望远镜, 我没能看到任何星星。

Ican'tseeanystars__________thistelescope.

4在其他行星上有生命吗?

Istherelife______________?

5太阳、地球和月亮都属于太阳系。

Thesun, theearthandthemoon__________thesolarsystem.

6去年, 多达300名学生参加了校运动会.

__________300studentstookpartintheschoolsportsmeetinglastyear.

7越来越多的人对科学感兴趣了。

Moreandmorepeople__________science.

8大自然的秘密是很有趣的.

The__________of__________areveryinteresting.

9人们把这些树全部砍倒了。

Peoplehave__________allthetrees.

10这些树几乎完全被覆盖了。

Thesetrees__________almostcompletely.

【答案】

1even if

2unless

3through

4on other planets

5all belong to

6As many as

7are interested in

8mysteries nature

9cut down

10are covered

【解析】

1even if即使,纵然,引导让步状语从句;根据汉语提示,故答案为even if

2根据汉语提示,这里是unless引导的条件状语从句,遵循主句用一般将来时,从句用一般现在时态。根据题意,故答案为unless

3through介词,意思是“通过”。through this telescope表示“通过这个望远镜”;根据题意,故答案为through

4on other planets表示“在其他的行星上”;根据汉语提示,故答案为on other planets

5all 表示“三者或三者以上全都;”短语belong to sb.表示属于某人;这里是一般现在时态,主语是复数,动词用原形;根据汉语提示,故答案为all belong to

6这里是同级比较,as many as表示和……一样多;根据汉语提示,故答案为As many as

7短语be interested in…表示“对……感兴趣”;主语是More and more people越来越多的人,谓语动词用复数are;根据汉语提示,故答案为are interested in

8the mysteriy of…表示……的神秘;the mystery of nature表示“大自然的秘密”,根据空后are可知,mystery用复数形式,故答案为(1). mysteries (2). nature

9短语cut down表示“砍倒”;这里是现在完成时,其结构是have done的形式;cut的过去分词是cut。根据题意,故答案为cut down

10根据汉语提示可知用一般现在时态的被动语态,其结构是be done的形式,主语是复数,be动词用are;根据汉语提示,故答案为are covered

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【题目】 If you stay in space for a long time, will your body change? Mark Kelly and Scott Kelly from the United States will show you the answer.

Mark and Scott are twins. They are both retired(退休的)NASA(美国国家航天航空局)astronauts. From 2015 to 2016,Scott spent 340 days at the international space station, while Mark stayed on the earth. People took measures of both men before, during and after the flight. They were helping with a NASA project which studies how long-term space travel influences the human body.

The full results of the study will come out in a year or two. But scientists are sharing some findings in the journal Nature.

A change in appearance was easy to see. Scott, when he returned to the earth, was 5cm taller before. Another change was that Scott's eyesight declined after he came back. He found he couldn't see clearly. He also found that he couldn't move his legs so easily like before. Scientist found that after coming back to the earth, he took a little longer to understand things and make decisions.

There were also changes that were much harder to see. As someone grows older, his telomeres(端粒)get shorter and become less effective to stop DNA from getting damaged. But during Scott's stay in space, his telomeres got longer while Mark's kept getting shorter.

Further tests on the twins are still going on.NASA plans to send people to Mars in the 2030s,and the twins' research could help them prepare for those space trips.

1Which of the following is Not true about Scott?

A.He has a twin brother.B.He is from the United States.

C.He has never been to space before.D.He was once a NASA astronaut.

2We can know that scientists did the research between the twins in order to_______.

A.see who is a better astronaut.

B.learn more about the twins' daily life

C.study how twin brothers act diferently in life

D.study how long-term space travel influences the human body

3What does the underlined word“declined”mean in Chinese?

A.下降B.漂浮C.提高D.控制

4What didn't Scott experience while he returned to the earth?

A.He couldn't understand others as well as before.B.He could walk faster than before.

C.His telomeres became longer.D.He grew taller than before.

5The last paragraph mainly tells us ____________.

A.the fun of space travel

B.the success of the twins' research

C.the full results of the twins' research

D.the purpse of the twins' research

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