7.Developing countries should adopt labour-intensive technologies to ____ their comparative advantage of abundant labour.

t

e

8.The sudden demise of Britain's oldest investment bank ____ global markets.
ed

ed

9.The tests show the earlier in life a person hears a sound the longer it is ____.
ed

ved

ed

ed

10.The researchers test college students ____ to foreign speech before their second birthday but not since.
sed

d

ted

ed

11.The government has provided the capital library with heavy ____ to keep it one of the largest in the worlD.
iptions

ies

s

12.The doctor took his temperature,it was two degrees above ____.
ry

e

r

--------------------------------------------------------------------------------

答案：B D A B C D
7. exploit开发，利用 explore调查，研究
8. vibrated使振动 swung摆动，转变 trembled发抖，担忧 jolted使慌乱，震惊
9. retained保留，保持 preserved保护，保存 remained剩下，仍是 reserved储备，预定
10. disclosed泄露，揭发 revealed展现，揭示
iption署名，订购，捐助 subsidies特殊津贴，财政援助 bonuses奖金，红利