1. Many teenagers show signs of anx

1. Many teenagers show signs of anxiety and _______ when being asked about their future.
a. depress b. depression c. depressing d. depressed
2. Constant _______ of attack makes everyday life dangerous here.
a. threat b. threaten c. threatening d. threateningly
3. No one can predict the future exactly. Things may happen _______.
a. expected b. unexpected
c. expectedly d. unexpectedly
4. Someone who is _______ is hopeful about the future or the success of something in particular.
a. powerful b. optimistic
c. stagnant d. pessimistic
5. There will be powerful network of computers which may come from a single computing _______ that is worn on or in the body.
a. device b. machinery c. equipment d. vehicle
6. An economic _______ is a time when there is very little economic activity, which causes a lot of unemployment and poverty.
a. improvement b. depression c. development d. mission
7. In the future many large corporations will be wiped out and millions of jobs will be lost.
a. companies b. services c. supermarkets d. farms
8. The more powerful weapons are, the more terrible the _______ is.
a. creativity b. history c. terrorism d. technology
9. The medical community continues to make progress in the fight against cancer.
a. speed b. expectation
c. improvement d. treatment
10 . Let's put off that meeting to next Monday.
a. postpone b. schedule c. arrange d. appoint
11. A nuclear station may take risk going off due to unexpected incidents.
a. demolishing b. exploding
c. developing d. running
12. She is looking ________ a new place to live because she does not want to depend _______ her parents any more.
a. for / on b. after / with c. up / forward d. at / into
13. I was brought _______ in the countryside by my aunt after my parents had pass _______.
a. on / over b. for / on c. on / off d. up / away
14/ Due to industrialization, we have to cope _______ the fact that many species are _______ danger _______ extinction.
a. over / at / for b. at / upon / over c. for / on / with d. with / in / of

15. Boys! Put your toys ______. It is time to go to bed. Don't stay _____ late.
a. off / on b. away / up c. down / off d. around/ for
16. She intended to quit her job to stay _______ home and look _______ her sick mother.
a. in / at b. at / after c. for / over d. up / on
17. He is very worried _______ his new job because he is not quite prepared _______ working.
a. on / over b. to / off c. about / for d. in / at
18. Instead _____ petrol, cars will only run ____ solar energy and electricity.
a. of / on b. for / by c. in / over d. from/ upon
19. She has a promising future ahead _______ her.
a. for b. from c. on d. of
20. In the future, the number of tiny but _______ computers you encounter every day will number in the thousands, perhaps millions.
a. power b. powerful c. powerfully d. powered

21. Someone who is _______ thinks that bad things are going to happen.
a. optimistic b. pessimistic
c. threatened d. hopeful
22. Domestic chores will no longer be a burden thanks to the inventions of laborsaving devices.
a. Official b. Household
c. Schooling d. Foreign
23. Peter was asked to _______ to a newspaper article making predictions for technological progress in 10 years.
a. expect b. invent c. develop d. contribute
24.Doctors and pharmacists have to assume _______ for human life.
a. responsibility b. achievement
c. optimism d. aspect
25. If you have ever watched television, you have seen plenty ___ drug ads.
a. with b. of c. for d. about
26. The space shuttle crashed and went _______ in flames.
a. of b. for c. over d. off
27. Elevators in tall building make the top floors accessible _____ everybody
a. to b. with c. about d. at
28. While I am waiting _______ my bus, I often listen _______ music.
a. on / at b. for / to c. toward / about d. upon / in
29. Those spacecrafts are used ______ taking photographs _______ space.
a. about / through b. for / in c. of / at d. in / off
30. Will you take care _______ my little dog when I am _______ business?
a. through / away b. about / at c. for / over d. of / on
31. According _______ Bill, there's something wrong _______ my computer.
a. after / for b. on / about c. to / with d. upon / at
32. He depends _______ his sister _______ assistance.
a. to / from b. from / in c. on / for d. at / with