2. A p_______ is a bag that you carry on your back, especially when you

climbing or walking, used to carry equipment, clothes etc.

1. Someone who travels and works in a spacecraft is an a__________.

5.(　　 ) A: Would you like to see a film with me?

　 B: I’d like to , _________ I can’t go with you now.

　A. and　　　 B. but　　　　 C. because　　 D. so

四：根据汉语完成文章

Life on Mars is surely quite different from that on earth.

In some ways, it may be better than that on earth. We won’t have so much homework to do because I don’t think　 ____________________________________(网上学校不会像我们学校这么严格). Instead, some boys will have enough time to play computer games, though I don’t think ________________________ (它是最好的放松的方式). And we all know _____________________________(机器人将帮我们做很多事情). I believe _______________________ (对于我们来说那是最好的事情).But in some other ways, it is not very good to live there. I mean____________________________________(我们不得不吃像药片一样的食物). They are not as tasty as our food on earth. And even some scientists do not believe _______________________________________(乘坐航天飞机旅行是一件舒服的事情). The worst thing for us is that the gravity on Mars is much lower than that on earth. That means ______________________________(我们可能很容易飘到太空中去). Although special boots can make us heavier, do you think ______________________________________(穿如此沉重的鞋子会很愉快吗)？Do you think _______________________________________________ (背着氧气罐的生活会很舒适吗)？Plants that can grow in space are being developed by scientists. If they make it, we will start a new life on Mars because plants can provide us food, oxygen and water. However, I don’t believe ______________________________________(火星上的生活不会比地球上的生活更好).

五：根据首字母完成句子。

4.(　　 ) A:I don’t think he can speak English, _______?

　　 B:________. He is an English teacher and he　

　　 teaches very well.

A. can he; Yes, he can　　　　 B. can he;　　 No, he can’t

C. can’t he; Yes, he can　　　 D. can’t he; No, he can’t

3.(　　 ) A: May I go to see a film right now?

　　 B: _______. You must finish your homework at home.　

　 A Yes, you may　　　　　　　　　　　　 B　 No, you needn’t　　　　　　　　　　　　　　　　　　　　　　　 　　　　

　 C No, you don’t　　　　　　　　　　　　 D No, you can not

2.(　　 ) A: Could I go swimming with friends this afternoon?

　 B: Yes, you _______.

　 A. need　　 B. can　　　　 C. might　　　　　 D. may

1.(　　 ) I don’t know _____ or not he will come here. _______ he comes, I will call you.

A. whether ; If　 B. whether; Whether　 C. if; If　　　 D. if; Whether

9. Can robots do lots for human?

_____________________________________________

三：选择题

8. Will we have to carry an air tank all the time when we are on Mars?

_____________________________________________

7. Is Mercury the nearest planet to the sun?

　_____________________________________________