affair 意为“事情、事件”, 含义较广，泛指已做或待做的事；复数affairs一般指商业事务及政府的日常事务，如财政管理、外交事务等。
business作“事务、事情”解时，一般不能用复数，常常指所指派的任务、责任；有时说的是指派的工作或商业上的买卖活动。It’s none of your business.与你无关!
〖2010湖北〗This restaurant has become popular for its wide of foods that suit all tastes and pockets.
A. division B. area C. range D. circle
“这家餐馆越来越出名 是由于它做的各种各样的食物适应各种类型人群。” “a range of “强调一个系列, 而 “a wide range of”意为 “”。正好符合题意。从句子结构来讲, 这个句子属于典型的 “从句套从句”。 “for”引导原因状语从句, “that”引导定语从句。答案C
〖2010江西〗Last year the number of students who graduated with a driving license reached 200,000, a (n) ______ of 40,000 per year.
A average B number C amount D quantity
a number of 许多 amount of 一般加不可数名词表金额, a quantity of 既可以加可数也可以加不可数, 但没有平均每年增加的意思。〖答案〗A
〖2003上海春〗More and more people choose to shop in a supermarket as it offers a great of goods.
A.variety B.mixture C.extension D.combination
“a great variety of”意为 “品种繁多的”。 〖答案〗A
〖2001上海〗In the botanic garden we can find a(n)______of plants that range from tall trees to small flowers.
A.species B.group C.amount D.variety
a variety of “多种多样的”。 〖答案〗D
〖2004全国Ⅲ〗The faces of four famous American presidents on Mount Rushmore can be seen from a of 60 miles.
A.length B.distance C.way D.space
length长度；distance距离；way道路；space空间, 太空。根据句子的意思, 答案选B项, 指离那儿60英里远的地方。〖答案〗B
〖2007辽宁〗Health problems are closely connected with bad eating habits and a____of exercise.
A. limit B. lack C. need D. demand
a lack of缺乏。句意为：健康问题与不良的饮食习惯和缺少锻炼密切相关。〖答案〗B
〖2012高考押题〗In the of proof , the police could not take action against the man .
A．lack B．shortage C．absence D．failure
shortage 缺乏, 无此搭配。"In the developed countries, there's a great shortage of labour / work force." 发达国家劳动力非常缺乏。〖答案〗C. in the absence of 缺少
〖2009山东〗-------He says that my new car is a ______ of money.
-------Don’t you think those words are just sour grapes?
A. lack B. load C. question D. waste
lack缺乏；load负担；question疑问；waste 浪费；根据句意, 尤其是下句的sour grapes(酸葡萄)可知答案选D。
〖2012高考押题〗My knowledge of Hong Kong came only from some movies: a______ of criminals are pursued by the police in the narrow streets and then they have a fight.
A. group B. team C. class D. gang
A“组”；B“队”；C“种类，等级”。 〖答案〗 D“一伙”。
〖2007山东〗I can’t say which wine is best – it’s a(n) _____ of personal taste.
A. affair B. event C. matter D. variety
a matter of意为 “关于……的问题”, a matter of principle原则问题；a matter of opinion仁者见仁, 智者见智。A项意为 “政治事务, 私人业务”；B项意为 “重要事情、大事”；D项意为 “不同种类”。a matter of ….是固定搭配。〖答案〗C