13 But ultimately he gave in.
A undoubtedly B certainly
C finally D necessarily
14 It is a complicated problem.
A strange B complex
C difficult D unusual
15 In Britain and many other countries appraisal is now a tool of management-
A evaluation B production
C efficiency D publicity
答案：
1 A motive：动机。reason：理由。这两个词意思比较接近。There is no reason to doubt his word.没有理由不相信他的话。excuse：借口。answer和reply都有"回答"的意思。
2 C widen和broaden都有"拓宽"的意思。extend：延伸：延长。The builders extended the road for three more miles.筑路人把道路延长了三英里。stretch：延伸。The forests stretch for hundreds of miles森林绵延数百英里。bend：弯曲。
3 c lure：吸引。attraction：吸引。这两个词意思相近。The attraction of this house lies in its simplicity.J~所房子的诱人之处在于它的简单。error：错误。puzzle：难题。contradiction：矛盾。
4 D immense和enormous都有"巨大的"意思。It was all enormous disappointment.此事太令人失望了。no是"没有"，little是"几乎没有"， scarce是"不足的".
5 B remedy：补救。improve：改进。这两个词意思相近。Herbal medicine can be used to improve our health.草药可用于增进我们的健康。maintain：保持。preserve：保护。protect：保护。
6 A collaborate：合作；勾结。cooperate：合作。 She has agreed to cooperate with the police in the investigation她同意在调查中跟警察合作。marry：结婚。combine：合并。argue：争论。
7 A consolidate：巩固。strengthen：巩固，加强。To strengthen his position in Parliament，he held talks with leaders of the Peasant Party.为了加强在国会中的地位，他跟农民党的领导人进行了会谈。win：赢得。abandon：放弃。unite：联合。
8 B probe：探索。explore：探索。这两个词意思很相近。Both parties are exploring ways of settling the dispute双方都在寻求解决争端的办法。solve：解决。settle：解决。handle：处理。
9 D alleviate：减轻。lessen：减轻：变小。The medicine begins to take effect and Symptoms lessen药已经起作用，症状减轻了。remove：去掉；切除。cure：治疗。treat：处理。
10 B deduce：推导。derive：推导。 Defensive behavior patterns derive from our Subconscious fears各种防卫行为的模式来自于我们下意识的恐惧。20：去。d0：干。come：来。
11 D insufficient：不充分的。inadequate：不充分的。Supplies of food and medicine are inadequate食物和药品供应不足。scarce：稀少的。short：短的。marginal：少量的。
12 A perish：死亡。die：死亡。111e old man will die soon这个老人很快会死去。disappear：消失。migrate：迁移。vanish：消失。
13 C ultimately：最后。finally：最后。The food finally arrived at the end of last month 食品终于在上月末运到了。certainly：当然。necessarily：必定地。
14 B complicated：复杂的。complex;复杂的。The issue is very complex，这个问题太复杂了。strange：奇怪的。difficult：困难。unusual：不寻常的。
15 A appraisal：评价。evaluation：评价。Evaluation is standard practice for a11 training 评价是各种教育的通常的做法。production：生产。efficiency：效率。publicity：出名。