单选题______ against nature for a mother to hurt her own child. A. She is B. That is C. What is D. It is
单选题In fact, there are different reasons ______ people are working long hours.
单选题He checked his car carefully lest it ______ on the way. A) breaks down B) broke down C) would break down D) should break down
单选题{{B}}Conversation 2
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单选题We expressed the hope ______they would come and visit China again. A. that B. it C. which D. when
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单选题This is ______ as any you are likely to see in the coming year.
单选题Once there is a threat to our water supply water can quickly become the only thing that matters.
单选题Great efforts should be made to inform the public of the terrible consequences of neglecting environmental Protection.A．公众已经在了解保护环境的结果上做了很大努力。B．应大力向公众宣传忽视环境保护的可怕后果。C．应花大力气通知公众忽视环境保护的可怕后果。D．人们已经在向大众宣传保护环境的结果上做了很大努力。
单选题A wolf escaped from the zoo last night. It was a long time ______ the guards discovered what had happened. A. before C. since B. until D. when
单选题A.Shehascaughtacold.B.Shehasaheadache.C.Shefeelstiredandsleepyallthetime.D.Sheisill.
单选题Some investigations show that the cause of the accident may be the plane engine's failure to operate.A．调查表明，事故原因可能是飞机发动机未能发动。B．调查表明，飞机失事原因可能是发动机失灵。C．一些调查显示，事故原因可能是技师不当驾驶造成的。D．一些调查显示，事故原因可能是发动机未能发动。
单选题______ no body was willing to vote for her, she decided to drop out of the election.
单选题______ more time, the scientists will be able to work out a good solution to the problem.A) To giveB) GivingC) GivenD) Be given
单选题This book is divided into sixteen units that deal with topics of everyday conversation.A) 本书共分十六单元，内容涉及日常生活会话。B) 十六个单元的内容解决了日常生活会话中的难题。C) 本书全部十六个单元的内容涉及日常生活会话。D) 本书由十六个单元构成，内容回答的是日常生活会话问题。
单选题As a student in that famous school, Henry used to look hurt when
单选题Never ______ a better CEO than Mr. Green.
单选题[此试题无题干]
单选题To get you familiar with the new products we deal in, we are sending you，by airmail, a full set of pamphlets for your reference.
单选题Learning how to use the Internet effectively as a marketing tool means that you need to learn two different but related bodies of knowledge．