41.Professor Smith seldom _______ the class on time.
A.dismisses
B.nervous
C.misleads
D.regrets
42.Mr. Wang _______ his wife and children when he went to the United States.
A.prescribed
B.delayed
C.decreased
D.deserted
43.He _______ a lot of time in trying to develop the education system in this area.
A. involved
B.investigated
C.invested
D.interfered
44.They spent many years _______ for oil in this small island.
A.exploring
B.exploding
C.exposing
D.exploiting
45.We can’t _______ the fact that we are still a developing country.
A. ignore
B.neglect
C.imagine
D.impress
46.Can you _______ the man who robbed you of your watch?
A. illustrate
B.exhibit
C.damage
D.identify
47.Many children in developing countries can not go to school,because of _______
A.property
B.sword
C.trace
D.poverty
48.What is your _______ to his coming?
A.altitude
B.attitude
C.attribute
D.aspect
49.He _______ into the water and rescued the little girl.
A. inserted
B.sloped
C.heaped
D.dived
50.You may _______ of the extra books in our department library.
A.deposit
B.enclose
C.fade
D.dispose
答案：
1.B 2.C 3.A 4.C 5.B 6.A 7.D 8.A 9.A 10.C
11.D 12.B 13.D 14.C 15.B 16.D 17.A 18.A 19.B 20.A
21.C 22.C 23.D 24.B 25.C 26.C 27.C 28.A 29.A30.B
31.B 32.D 33.D 34.D 35.B 36.A 37.C 38.D 39.C 40.C
41.A 42.D 43.C 44.A 45.A 46.D 47.D 48.B 49.D 50.D

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