1 These are their motives for doing it
　　A reasons
　　B excuses
　　C answers
　　D plans
2 The river widens considerably as it begins to turn west
　　A twists
　　B stretches
　　C broadens
　　D bends
3 Henry cannot resist the lure of drugs.
　　A abusewww.Examw.com
　　B flavor
　　C temptation
　　D consumption
4 These programmes are of immense value to old people.
　　A natural
　　B fatal
　　C tiny
　　D enormous
5 A great deal has been done to remedy the situation
　　A maintain
　　B improve
　　C assess
　　D protectwww.Examw.com
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：回答;plan：计划。
　　2 C widen和broaden都有"拓宽"的意思。twist：弯曲;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。temptation：吸引。这两个词意思相近。abuse：滥用;flavor：滋味：consumption：消费。
　　4 D immense和enormous都有"巨大的"意思。It was an enormous disappointment.此事太令人失望了。natural：自然的;tiny：微小的;fatal：致命的。
　　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;protect：保护;assess：评估。