词汇练习

1. For many decades, economists have been arguing about the role of ideas, innovation and _______ in economic growth.

a. ingathering b. ingredient c. ingratitude d. ingenuity

2. In this company, absenteeism and frequent work stoppage have greatly ______ the efficiency of the firm operation.

a. cut off b. cut over c. cut up d. cut into

3. The day was star-crossed: Friday 13th in the month of October, on the eve of the second anniversary of a ______ market crash.

a. agitating b. devastating c. evacuating d. withstanding

4. Even with the price cutting, the 32-bit systems are still far too expensive to _____ consumers used to paying &100 or less for a game machine with plenty of good software.

a. justify b. topple c. lease d. tempt

5. If good intentions and good ideas were all it took to save the deteriorating atmosphere, the planets _____ layer of air would be as good as fixed?

a. sheer b. fragile c. initial d. lethal

6. Tom went to have further studies in the United Kingdom. He found it______ that he couldn’t speak English well.

a. fascinating b. frustrating c. optimizing d. rationalizing

7. There were many people on the street, but the police_____ the thief’s attempt to escape.

a. pursued b. collaborated c. scooped d. foiled

8. The factory has obtained a _____ on the invention.

a. patent b. scenario c. continuation d. passion

9. If you want to obtain information for particulars, please ______ the office. a. work on b get into c. apply to d. interact with

10. After years of _______ in his studies, Jeff successfully earned his Ph. D. last year. a. agonizing b. persevering c. competing d. converting

11. Few people know that he has a(n)_____ desire for revenge, for he has always been such a kind person.

a. vulnerable b. petty c. acute d. variable

12. All the _____ of experimental and mathematical procedures should be strictly observed.

a. minutiae b. scenario c. informatics d. academia

13. It was incredible that the children in some African countries were _____ starving. a. unscrupulously b. insanely c. savagely d. literally

14. There is ______ evidence of corruption in some government agencies and therefore strong measures must be taken.

a. rewarding b. shrinking c. mounting d. packing

15. The big dog attacked the burglar ______.

a. savagely b. unscrupulously c. vitally d. fertilely

16. The concerns with the origins of the earth ______ their study.

a. motivated b. advised c. excited d. informed