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

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答案：B D A B C D
7. exploit開發(fā)，利用 explore調查，研究
8. vibrated使振動 swung擺動，轉變 trembled發(fā)抖，擔憂 jolted使慌亂，震驚
9. retained保留，保持 preserved保護，保存 remained剩下，仍是 reserved儲備，預定
10. disclosed泄露，揭發(fā) revealed展現(xiàn)，揭示
iption署名，訂購，捐助 subsidies特殊津貼，財政援助 bonuses獎金，紅利