1.It isn't quite _____ that he will be present at the meeting.

　　A. sure     B. right     C. exact      D. certain

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　　[答案] D. certain.

　　[注释]I am sure that +从句。He is sure to come. = He is certain to come.但在it作形式主语, that引导主语从句时, 主句中表语只能用certain, 不能用sure.

　　2. Many new _____ will be opened up in the future for those with a university education.

　　A. opportunities        B.realities        C.necessities        D. probabilities

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　　[答案] A. opportunities.

　　[注释]opportunity常指“ (难得的应抓住的) 机会”, 既可作可数名词, 也可以作不可数名词用, 如：

　　1)I had few opportunities of meeting interesting people there.

　　2）They had not much opportunity for hearing good music in the remote area.

　　3. The members of the club wouldn't run a _____ in entrusting（委托） the organization to an unreliable person.

　　A. danger          B. risk          C. hazard          D. chance

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　　[答案] B. risk.

　　[注释]run a risk (in) 冒险：You are running a big risk in trusting him.

　　本题译文：俱乐部成员不愿冒险把这个组织委托给一个不可靠的人管理。

　　4. The meeting was _____ when the chairman fell ill.

　　A.put down      B.shut out         C.cut short          D.taken off

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　　[答案] C. cut short.

　　[注释]cut short (=interrupt) 打断, 中断：

　　1) He made a suggestion, but I cut him short. (他提了个建议, 但我打断了他。)

　　2) He cut short his tour and returned home. (他中断旅行, 回家了。)

　　shut off (=cut off, interrupt) 切断, 中断; 由指切断供应等, 如：

　　The water was shut off for several hours while the plumber repaired the pipes.

　　Shut out (=keep out; exclude; prevent form entering) 把......关在外面, 排除, 不让入内：

　　1) He shut the cat out. (他把猫关在外面。)

　　2) The law was designed to shut out immigrants. (这项法律旨在拒绝移民入竟。)

　　3) They shut out the dust by having double windows. (他们用双层窗户防尘。)

　　4) They begin to speak French, shutting out the boy from their conversation. (他们讲起法语来, 使这个男孩无法参加他们的谈话。)

　　5. John says that his present job does not provide him with enough _____ for his organizing ability.

　　A. scope     B. space       C. capacity     D. range

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　　[答案] A. scope.

　　[注释]本题中scope (=opportunity; outlet) 施展机会, 发展余地, 是不可数名词, 如：Give someone scope to show his ability. Range意指“变动范围; 视听范围; 理解范围”, 如：the range of prices (价格变动范围).