artificial,fake,false都含有一定"假的"之意.

　　artificial 人造的,假的,矫揉造作的,不自然的 eg.an artificial lake人工湖; artificial smile做作的微笑/假笑; an artificial earth satellite人造地球卫星

　　fake adj.假的,伪造的,冒充的 n.假货,赝品(the antique is a fake那古董是件赝品)

　　false 假的,不真实的,带有欺骗性的假象 eg.false goods假冒商品 ________________________________________1.There were some __A__ flowers on the table.桌上放着一些假花.

　　A.artificial B.false C.unnatural D.unreal

　　2.Some criminals were ptinting __B__ dollar bills until they were arrested.有些罪犯在被逮捕前一直印假美钞.

　　A.decent(体面的) B.fake C.patent(专利的) D.suspicious(可疑的)

　　3.Someone shouted "Fire!" but it was a __B__ alarm and there was no danger.有人喊"失火了",可那只是一场虚惊并无危险.(false alarm 虚假的警报)

　　A.fake B.false C.unreal D.untrue

　　4.She was too nervous to make an __D__ manner.她太紧张了,做出了不自然的举止.

　　A.fake B.unreal C.false D.artificial

　　5.Three plus three is seven.True or __C__?三加三等于七.对还是错?

　　A.artificial B.fake C.false D.untrue

　　6.His friends played him __C__.他的朋友欺骗了他.(play sb. false 对某人不忠实,欺骗某人)

　　A. artificial B.fake C.false D.untrue ________________________________________ .

　　" 归因于..."

　　ascribe,attribute,contribute,owe

　　ascribe 和 attribute 差别不大,都可以解释为"(中性)把...归因于,(褒义)把...归功于,(贬义)把...归咎于",也可以解释为"把...归属于,认为...归属于...",基本可以互换

　　contribute (to)有助于,促成...

　　owe (to)把...归功于(褒义) ________________________________________1.Medical research has shown that the widespread use of cigarettes __C__ to the increase of cancers.医学研究表明人们普遍吸烟导致癌症患者人数增加.

　　A.ascribe B.attribute C.contribute D.owe

　　2.Professor Li __C__ his success to his mother.李教授把他的成功归功于他母亲.

　　A.owns B.ruins(破坏) C.owes/ascribe/attribute D.roars(吼叫)

　　3.We __B__ Edison's success to his intelligence and hard work.我们把爱迪生的成就归因于他的聪明才智和辛勤工作.

　　A.subject to 服从 B.attribute/ascribe C.owing to 由于 D.refer to 参阅,涉及

　　4.The discover of America is usually __A__ to Columbus.美洲大陆的发现通常被归功于哥伦布.

　　A.ascribed/attributed/owed B.gave C.rewarded D.contributed

　　5.One should not __D__ one's error to objective conditions.一个人不应把自己的错误归咎于客观条件.

　　A.apply to 运用,申请 B.owe C.contribute D.ascribe/attribute

　　6.I __A__ it to you that I finished my work in time.亏得有你帮忙,我才及时完成了工作.

　　A.owe...to... 把...归功于... B.contribute C.award D.give

　　7.The exchange of goodwill missions greatly __C__ to a better understanding between the two countries.互派友好代表团大大促进了两国之间的相互了解.

　　A.ascribe B.attribute C.contribute D.owe

　　8.This poem is __B__ to Homer.这首诗被认定为荷马所作.

　　A. owed B.ascribed...to...(认为...归属于...) C.contributed D.belong(没有被动语态)