1 . 选词填空

A. refillable   B. demanding   C. ultimate   D. reserved   E. appreciative   F. informative   G. varied

1. He said it is still not possible to predict the __________ outcome.
2. To stay healthy, it is essential that your diet is __________ and balanced.
3. Even though I’m quite a/an __________ person, I like meeting people.
4. In addition to learning new skills, _________ speakers also help people acquire fascinating facts.

2 . 用方框中词或词组的适当形式完成下列句子，每个词或词组只能用一次(每组有一个多余的选项)。

appreciate   commit   convince   ambitious   drop out   turn one’s back on

1. You need to __________ them of your enthusiasm for the job.
2. The club gets small as members move away or __________.
3. He was deeply __________ of your kindness.
4. She __________ them when they needed her.
5. Last year, both sides __________ themselves to settling the disagreement peacefully.

3 . The President is really ________ of the good working environment that Chairman Helms has created on foreign policy issues.

A．applied

B．appropriate

C．appealing

D．appreciative