2020年军队职称英语考试理工类B级词汇基础练习题(5)

　1 John is collaborating with Mary in writing an article

　　A cooperating

　　B competing

　　C combining

　　D arguing

　　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 abuse

　　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 protect