1 These are the motives for doing it.
　　A reasons B excuses
　　C answers D replies
　　2 The river widens considerably as it begins to turn west
　　A extends B stretches
　　C broadens　D bends
　　3 Many economists have given in to the fatal lure of mathematics．
　　A error 　　B puzzle
　　C attraction D contradiction
　　4 With immense relief I stopped running
　　A no 　B 1ittle
　　C scarce　D enormous
　　5 A great deal has been done to remedy the situation
　　A maintain B improve
　　C preserve D protect
　　6 We can no longer tolerate his actions．
　　A put up with B accept
　　C take 　　　D receive
　　7 Loud noises can be irritating．
　　A hateful 　B painful
　　C stimulating　D annoying
　　8 In the background was that eternal hum
　　A long B never-ending
　　C boring D extensive
　　9 The Constitution's vague nature has given it the flexibility to be adapted when circumstances change
　　A imprecise B apparent
　　C clear 　 D easy
　　10Gambling is lawful in Nevada．
　　A enjoyable B irresistible
　　C legal 　　　D profitable
　　11These are the motives for doing it
　　A reasons B excuses
　　C answers　 D replies
　　12The river widens considerably as it begins to turn west
　　A extends B stretches
　　C broadens　D bends
　　13 Many economists have given in to the fatal lure of mathematics．
　　A error 　　B puzzle
　　C attraction　D contradiction
　　14 With immense relief I stopped running．
　　A no 　B little
　　C scarce D enormous
　　15 A great deal has been done to remedy the situation
　　A maintain B improve
　　C preserve　 D protect
　　參考答案：ACCDB ADBAC ACCDB