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

　　A. sure B. right

　　C. exact D. certain

　　[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

　　[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：I had few opportunities of meeting interesting people there. 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

　　[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

　　[答案] C. cut short.

　　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

　　[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).