1.To absorb a younger work force, many companies offered retirement plans as incentives for older workers to retire and make way for the younger ones who earned lower salaries.

A.rewards

B.opportunities

C.motives

D.stimulus

参考答案：A

2.The curious look from the strangers around her made her feel uneasy.

A.difficult

B.worried

C.anxiou

D.unhappy

参考答案：B

3.Many food experts insist on ingredients of the highest quality,

A.demand

B.rely on

C.prepare for

D.create

参考答案：A

4.Michael is now merely a good friend.

A.largely

B.barely

C.just

D.rarely

参考答案：C

5.Please let me know if you are unable to attend the meeting.

A.go to

B.prepare for

C.peak to

D.do to

参考答案：A