1. When I worked as the general manager of the firm, I sometimes had _____ to visit London on business.
A. opportunity B. possibility C. occasion D. chance

[答案]C. occasion
[注释] occasion 作可数名词时，意为“时机”，作不可数名词时，意为“必要”，本题中occasion 意为“必要”。从句语法结构上看，本句中用opportunity(难得的)机会，chance（偶然的）机会均可，但按逻辑意思，应用occasion.

2. The most important _____ of his speech was that we should all work whole-heartedly for the people.
A. element B. spot C. sense D. point转自:考试网 - [Examw.Com]

[答案]D. point.
[注释]point(=chief idea of sth. said, done, or planned)要点；论点，主旨：I don’t see your point.(我不明白你的意思。)He said nothing to the point.(他说的不切题。)

3. It has always been the _____ of our firm to encourage workers to take part in social activities.
A. plan B. campaign C. procedure D. policy

[答案]D. policy.
[注释]policy(尤指政党、政府、大企业、商行等的)政策，方针。Campaign(zz或竞选的)运动；（军事的）行动，procedure 做事的手续、程序，rule 规则，plan 计划，均不合题意。
本题译文：本公司的一贯方针是鼓励工人参加社会活动。

4. The climbers _____ their ambition by reaching the summit of the mountain.
A. obtained B. sustained C. maintained D. realized

[答案]D. realised.
[注释]realise sth. by doing sth. else 通过做......来实现.......。

5. I remember her face but I cannot _____ where I met her.
A. recall B. remind C. remember D. remark

[答案]A. recall.
[注释]recall(=bring back to the mind)想起，回忆起：But I really cann’t recall your name at his moment.Remind sb. of ...使......想起：1)The photo reminds me of my late father.(这张照片使我想起已故的父亲。) 2)The sight of the clock reminded me that I was late.Remind sb. to sth.提醒......做......；Please remind me to write the letter.