If Mars no air or water, we will not survive there.A. will have B. would have C. has D. is having C [解析]句意:如果火星没有空气和水.我们将在那里无法生存.If引导的是条件状语从句.不能用一般将来时.而用一般现在时来代替.这里符合主将从现的原则.Mars是第三人称单题目和参考答案——青夏教育精英家教网—

题目内容

If Mars no air or water, we will not survive there.

A. will have B. would have C. has D. is having

C 【解析】句意：如果火星没有空气和水，我们将在那里无法生存。If引导的是条件状语从句，不能用一般将来时，而用一般现在时来代替。这里符合主将从现的原则，Mars是第三人称单数，所以用has，故选C。

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I don't have much money, but my life is_______ than before.

A. more meaningful B. meaningfuler

C. more meaningfuler D. much meaningful

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Teenagers _________ to look after themselves from a young age.

A. should educate B. should be educated

C. shouldn’t be educated D. not should educate

B 【解析】句意：青少年应该接受教育，从小就照顾自己。考查被动语态。should应该，后接原形动词；本句主语teenagers青少年，是动词educate 的受动者，需用被动语态，可排除AD选项。根据句意语境，可知本句是肯定意义，故选B。

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A. What our lives would be like in 2060. B. Trips to the Moon in 2060.

C. What people would eat in the future. D. Developed farming in 2060.

2.What is true according to the passage?

A. Many farms on the Moon have beautiful views.

B. Entertainment is provided only on the Moon.

C. It’s easy to take a holiday in Europe at present.

D. It takes the whole day to travel to the Moon.

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