A.filter B.fold C.partial D.commercial

40.When talking about Chinese culture, people often _______ its origin with the Yellow River. (来源：英语学习门户网站EnglishCN.com)

A.worship B.vain C.reveal D.associate

41.As a chairman for nearly ten years, Professor Smith has never _______ to anything dishonest. (来源：英语麦当劳－英语快餐EnglishCN.com)

A.beard B.attached C.granted D.kept (来源：英语麦当劳－英语学习门户 EnglishCN.com)

43.The ---_______ between Chinese and Japanese is not so obvious so that it is not easy to distinguish between people from the two countries.

(来源：EnglishCN英语博客基地)

A.distinction B.equivalent C.index D.murder

(来源：英语学习门户网站EnglishCN.com)

44.When he caught a _______ of his girl-friend in the rain, Jack asked the taxi driver to stop to pick her up. (来源：英语学习门户网站EnglishCN.com)

A.harbour B.kettle C.glimpse D.scale (来源：专业英语学习网站 http://www.EnglishCN.com)

45.He’ll always be _______ to you for what you’ve done. (来源：英语麦当劳－英语快餐EnglishCN.com)

A.peaceful B.secure C.grateful D.companion

(来源：英语博客 http://space.englishcn.com)

46.In Nearly any country, there always exists a _______ gap between the old and the young.

(来源：英语学习门户网站EnglishCN.com)

A.generation B.helicopter C.noticeable D.ounce

(来源：英语聊天室 http://chat.EnglishCN.com)

47.Excuse me, sir. Could you please tell me what number I should dial to get the _______.

A.throat B.verse C.conductor D.operator

(来源：英语分类信息 http://fl.englishcn.com)

48.Without the _______ materials imported from abroad, Japan can hardly produce anything.

(来源：英语资料下载 http://download.englishcn.com)

A.storey B.valuable C.spare D.raw

(来源：英语聊天室 http://chat.EnglishCN.com)

49.We may be able to _______ you in some way if you can not finish your work on time. (来源：英语博客 http://space.englishcn.com)

A.resist B.insist C.assist D.disease

(来源：英语交友 http://friends.englishcn.com)

50.She always dreamed of an _______ job even when she was ten years old.

A. ideal B.indirect C.absolute D.aid

(来源：EnglishCN英语问答中心[e问e答])

答案：
1.D 2.C 3.D 4.C5.C 6.C 7.C 8.A 9.D 10.A 11.A 12.D13.A 14.D 15.A 16.D 17.A 18.B 19.C 20.C 21.D 22.D 23.D 24.A 25.A 26.B 27.C 28.D 29.B 30.C 31.B 32.A 33.C 34.C 35.A 36.C 37.A 38.C 39.D 40.D 41.C 42.B 43.A 44.C 45.C 46.A 47.D 48.D 49.C 50.A

(来源：专业英语学习网站 http://www.EnglishCN.com)