(来源：英语交友http://friends.englishcn.com)
44.Without a proper education, people could _______ all kinds of crimes. (来源：英语麦当劳－英语快餐EnglishCN.com)
A. conduct B.stoop C.commit D.sweat (来源：英语麦当劳－英语快餐EnglishCN.com)
45.Several loudspeakers are _______ from the ceiling and we can hear the speaker very clearly. (来源：英语
博客http://space.englishcn.com)
A. connected B.sustained C.associated D.suspended
(来源：英语论坛http://bbs.englishcn.com)
46.This morning in the class, our teacher lost his _______ at last because he could not stand any more. (来源：英语麦当劳http://www.EnglishCN.com)
A. temper B.terror C.verse D.contain (来源：英语交友http://friends.englishcn.com)
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.
(来源：英语麦当劳－英语快餐EnglishCN.com)
A. continuous B.difficult C.convenient D.sufficient (来源：英语聊天室http://chat.EnglishCN.com)
48.When traveling alone in the mountains, you’d better take a _______ with you in case you get lost.
(来源：英语麦当劳www.EnglishCN.com)
A. compass B.compress C.complse D.campus (来源：英语博客http://space.englishcn.com)
49.As a teacher, you should not _______ the students from asking questions in class. (来源：英语麦当劳http://www.EnglishCN.com)
A. ruin B.restrain C.import D.impose (来源：英语麦当劳－英语杂志EnglishCN.com)
50.If you have any problems during your study here, please do not _______ to call me for help
(来源：英语麦当劳－英语杂志EnglishCN.com)
A. hesitate B.despair C.urge D.request
(来源：英语交友http://friends.englishcn.com)
答案：
1.B 2.C 3.A 4.B 5.D 6.D 7.A 8.A 9.B 10.D 11.A 12.B 13.C 14.A 15.D 16.A 17.B 18.A 19.D 20.C 21.A 22.A 23.B 24.A 25.B 26.B 27.C 28.D 29.B 30.A 31.A 32.D 33.C 34.D 35.A 36.D 37.A 38.D 39.A 40.C 41.B 42.C 43.A 44.C 45.D 46.A 47.C 48.A 49.B 50.A (来源：英语麦当劳－英语杂志EnglishCN.com)
