176.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.
177.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
[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。)
178.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(政治或竞选的)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。
179.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.......。
180.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.
