16.Tim stopped and stayed for a moment to _____ himself that he was not being followed.

A、insure

B、assure

C、confirm

D、confine

17.Many foreigners in China enjoy watching the news on CCTV _____ .

A、Program

B、Performance

C、Channel

D、Play

18.I tried to get through, but there were too many people _____ my way.

A、blocking

B、delaying

C、holding

D、stopping

19.To _____ their new product, they are selling it at half price for a month.

A、raise

B、improve

C、promote

D、increase

20.The local authorities decided to keep the old temple for its historical _____.

A、value

B、benefit

C、wealth

D、property

21.With a total of 1,300 million people, China is one of the most densely _____ countries in the world.

A、populated

B、polluted

C、crowded

D、concentrated

22.It wasn’t a good thing; _____, it was a huge mistake.

A、on the whole

B、on the contrary

C、on the average

D、on the other hand

23.It’s a shame that he is still _____ his parents; he is already 25 years old.

A、depending on

B、growing on

C、focusing on

D、feeding on

24.Will you _____ it that this letter gets mailed today?

A、see off

B、see to

C、look after

D、look into

25.She _____ her research into the cause of cancer in spite of financial problems.

A、carried away

B、put forward

C、consisted in

D、persisted in

参考答案：

16. B 17. C 18. A 19. C 20. A

21. A 22. B 23. A 24. B 25. D