9 The governor gave a rather vague outline of his tax plan.
A unclear
B firm
C short
D neat
10 Gambling is lawful in Nevada·
A popular
B booming
C legal
D profitable
11 These are their motives for doing it-
A reasons
B excuses
C answers
D plans
12 The river widens considerably as it begins to turn west.
A twists
B stretches
C broadens
D bends
13 Henry cannot resist the lure of drugs-
A abuse
B flavor
C temptation
D consumption
14 These programmes are of immense value to old people·
A natural
B fatal
C tiny
D enormous
15 A great deal has been done to remedy the situation
A maintain
B improve
C assess
D protect
参考答案：1 C2 B 3 D 4 D5 B6 A7 D 8 B.9 A 10 c11 A 12 C 13 C 14 D 15 B