23. --- What did Zhai Zhigang do while he was doing “walking” ____?

　 --- He ____ our national flag to the world.

　　　 A. in space; showed 　　　　　　　　　　　　　　　　 B. in the space; showed

　　　 C. in space; brought　　　　　　　　　　　　　　　　　 D. in the space; brought

22. --- Did you make some coffee for her?

　 --- No, I didn’t. She ____ tea to coffee.

A. enjoyed 　　　　　　　　　 B. liked 　　　　 C. preferred 　 D. hated

21. People who are ____ don’t like to talk in public.

　　　 A. generous　　　　　　　　　 B. shy 　　　　　　　　 C. social 　　　　　　　 D. brave

20. I ____ in the street when I met an old friend of mine the other day.

A. walked 　　　　　　　　　 B. was walking 　　 C. has walked 　　　 D. had walked

19. When the space ship was ____, I could really feel the high gravity.

　　　 A. lifting off 　　　　 B. landing　　　　　　　 C. sending way 　　 D. giving a lift

18. I find painting and listening to music ____.

　　　 A. relaxing　　　　　　　　　　 B. is relaxing C. relaxed 　　　　　　 D. are relaxed

17. I need one more coin before my collection ____.

　　　 A. had completed 　　　　　　　　　　　　　　　 B. completes 　　　　

C. has been completed 　　　　　　　　　　　 D. is completed

16. --- What about going out for a walk after supper？

　 --- ____ . Walking after meals is good for health.

　　　 A. I couldn’t agree more　　　　　　　　　　　　　　 B. I am afraid not

　　　 C. I believe not 　　　　　　　　　　　　　　　　　　　　 D. I don’t think so

　　　 The USA has a much bigger population than Australia, and _____1_____ (America) cities are _____2_____ crowded than Australian ones. There are not so many mountains in Australia as _____3_____ the USA. Both countries have deserts and beautiful _____4_____ (beach). But America has many more rivers than Australia. The northern and central parts of the USA _____5_____ (有) much more snow in winter than _____6_____ (副词) in Australia and generally these two areas have a colder _____7_____ than Australia does. Australia is in the southern hemisphere and doesn’t have its winter at the same time _____8_____ countries in the northern hemisphere. Most people in these countries _____9_____ the same language ---English, _____10_____ their accents are very different.