A.set up
B.decrease
C.stop
D.control
12. Gas does accumulete in the mines around here.
A.increase
B.spread
C.collect
D.grow
13. Our plan is to allocate one member of staff to handle appointmants.
A.assign
B.persuade
C.ask
D.order
14. Her bebavior is extremely childish.
A.simple
B.immature
C.beautiful
D.foolish
15. Many fine cooks insist on ingredients of the highest quality.
A.demand
B.rely on
C.prepare for
D.create
答案: 1.B 2.D 3.B 4.A 5.A 6.C 7.D 8.B 9.D 10.B 11.A 12.C 13.A 14.B 15.A