大学英语四级词汇训练题1

　A. economic B.financial C.male D.economical

42.Both sugar and salt can ______in water.

　A. desert B.absorb C.dissolve D.involve

43.I have not heard anything from him since his _______.

　A. departure B.fault C.foundation D.acciptance

44.Without a proper education, people could _______ all kinds of crimes.

　A. conduct B.stoop C.commit D.sweat

45.Several loudspeakers are _______ from the ceiling and we can hear the speaker very clearly.

　A. connected B.sustained C.associated D.suspended

46.This morning in the class, our teacher lost his _______ at last because he could not stand any more.

　A. temper B.terror C.verse D.contain

47.It is not ---_______ for me to return all the books to the library now because I still need some of them for my research.

　A. continuous B.difficult C.convenient D.sufficient

48.When traveling alone in the mountains, you’d better take a _______ with you in case you get lost.

　A. compass B.compress C.complse D.campus

49.As a teacher, you should not _______ the students from asking questions in class.

　A. ruin B.restrain C.import D.impose

50.If you have any problems during your study here, please do not _______ to call me for help

　A. hesitate B.despair C.urge D.request