22．-Do you think I should study physics or French?

-　　　　　　　 .

　　　 A．It’s your own decision

　　　 B．It’s up to you

　　　 C．None of my business

　　　 D．That’s all right

21．According to a new study by a British university, learning　　　　　 second language can lead to 　　　increase in your brain power.

　　　 A．a; the　　　　　　　 B．/; the　　　　　　　　 C．a; an　　　　　　　　 D．the; an

5．在你做决定前，你有没有考虑到正反两方面的意见？

　　 Before you make the decision, have you taken both　　　　　 and　　　　　 consideration?

4．一般情况下，家庭问题多由缺乏交流而引起的。

　　 As a general　　　　　　 , family problems mainly　　　　　　 the 　　　　　　　　of communication.

3．晶体管一直到50年代才被应用于制造更小的收音机。

　　 It was　　　　　 the 1950s　　　 the transistor was　　　　 creating smaller radios.

2．目前， 大量的投资不一定意味着更多就业机会的涌现。

　　 For the time being, mass investment does not 　　　　　mean that more job opportunities will　　　　　　 .

1．这种新药在大量生产前经历了许多医疗实验。

This new medicine has　　　　　 a good many medical experiments before it was produced

　　　　　　　　　　 .

5．I emptied all my drawers and hoped to get back the missing key.

I emptied all my drawers in the　　　　 getting back the missing key.

4．Thought I am tired out after four days’ social practice, I really enjoyed it a lot.

　　 Though I am 　　　　　　after four days’ social practice, I really enjoyed it a lot.

3．In basketball you have to get used to frequent hard knock.

　　 In basketball you have to get　　　　　　 frequent hard knock.