Have you spoken to a foreigner? [ ] A．anyB．never C．everD．behind 题目和参考答案——青夏教育精英家教网—

题目内容

Have you ________ spoken to a foreigner?

[　　]

A．any

B．never

C．ever

D．behind

答案：C
解析：

解析：现在完成时肯定意用ever表示“曾经”。

练习册系列答案

Air is very important to everything that lives. But the air we breathe is g【小题1】___ dirty. People all over the world are looking for w【小题2】___ to make it clean again.
Have you e【小题3】__ watched the smoke from chimneys rising high in the air? Have you s【小题4】__ the smoke from cars and trucks on roads or the smoke from planes? The smoke is not g【小题5】___ to breathe. If we want to keep well and strong, we need to breathe c【小题6】__ air.
W【小题7】___ more and more factories everywhere and more and more cars, trucks and planes, it is getting harder and harder to do with the air p【小题8】___.
Scientists have a【小题9】__ found ways to stop or slow down some of the things that make the air dirty. They will not stop working u【小题10】__ we have clean air again.

根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限一词。

Air is very important to everything that lives. But the air we breathe is g 1. dirty. People all over the world are looking for w 2. to make it clean again.

Have you ever watched the smoke from chimneys(烟囱) r 3. high in the air? Have you s 4.___ the smoke from cars and trucks on roads or the smoke from planes? The smoke is h 5. to everyone, especially old people and children. If we want to keep well and strong, we need to breathe f 6. air.

With more and m 7. factories everywhere and more and more cars, trucks and planes, it is getting harder and harder to do with the air p 8. .

Scientists have a 9. found ways to stop or slow down some of the things that make the air dirty. They will not stop working u 10. we have clean air again.

根据短文内容及所给首字母提示写出所缺单词, 并将完整单词填在下面对应题号后的横线上。

Air is very important to everything that lives. But the air we breathe is g 1 dirty. People all over the world are looking for w 2 to make it clean again.

Have you e 3 watched the smoke from chimneys(烟囱) rising high in the air? Have you s 4 the smoke from cars and trucks on roads or the smoke from planes? The smoke is not g 5 to breathe. If we want to keep healthy and strong, we need to breathe c 6 air.

W 7 more and more factories everywhere and more and more cars, trucks and planes, it is getting harder and harder to do with the air p 8 .

Scientists have a 9 taken actions to stop or slow down some of the things that make the air dirty. They will not stop working u 10 we have clean air again.

1. 2. 3. 4. 5.

6. 7. 8. 9. 10.

根据短文内容及首字母提示，填写所缺单词，将答案按序号填入下面表格内。

     Air is very important to everything that lives. But the air we breathe is g   1   dirty. People all over the world
are looking for w  2 to make it clean again.
     Have you e   3 watched the smoke from chimneys rising high in the air? Have you s   4 the smoke from
cars and trucks on roads or the smoke from planes? The smoke is not g   5 to breathe. If we want to keep
well and strong, we need to breathe c  6   air.
     W   7 more and more factories everywhere and more and more cars, trucks and planes, it is getting harder and harder to do with the air p  8 .
     Scientists have a   9 found ways to stop or slow down some of the things that make the air dirty. They
will not stop working u  10 we have clean air again. We hope our environment will be better and better.

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