average和circumstance 高考频度：★★★ 难易程度：★★ 1. （2015﹒重庆）Last year was the warmest year on record, with global temperature 0.68 ℃_____ the average. A. below B. on C. at D. above 【参考答案】D 【归纳拓展】 on average平均来看 above average高于平均水平 below average低于平均水平 up to average 达到平均数；达到一般水准 average v. 平均数为……；算出……平均数 average out算出……平均数 2. (2017·天津)We offer an excellent education to our students.? , we expect students to work hard. A.On average B.At best C.In return D.After all 【参考答案】C 【试题解析】考查介词短语。句意:我们给我们的学生提供优质的教育,作为回报,我们期待学生能努力学习。根据句意,这里用介词短语In return表示"作为回报"。on average"平均";at best"充其量,至多";after all"终究,毕竟"。 3. It is believed that it’s no _____ that many of the most successful companies today are in Silicon Valley(硅谷). A.acquaintance B.absence C.circumstance D.coincidence 【参考答案】D 【归纳拓展】 in/under the circumstances在这种情况下；情况既然如此 in/under no circumstances决不，无论如何都不(放句首时主句用倒装语序) ?Under the circumstances，it seemed better not to tell him about the accident. 在这种情况下，不告诉他有关这次事故的情况似乎更好。 ?She made it clear that under no circumstances would she cancel the trip. 她明确表示，无论如何她都不会取消旅行。 ?Under no circumstances will her parents allow her to marry such a selfish man. 无论如何她的父母都不会让她跟这样自私的人结婚。 1. There are _____ six hurricanes each year and they usually affect the east coast of the US from Texas to Maine. A.average B.in an average C.on average D.about average 2. The_____ time the Chinese people spend on line is 18 hours a week. A.ordinary B.average C.regular D.common 3. Under no circumstances anything that harms the interests of our country. A. should we do B. we should do C. should we not do D. we should not do 1. C【解析】考查average的用法。句意为：每年平均有六场飓风，它们通常会影响从德克萨斯州到缅因州的美国东海岸，on average表示“平均、通常”，故C项正确。 3. A【解析】考查倒装句。句意:我们绝不能做损害国家利益的事情。under no circumstances意为"绝不",放在 句首时,句子要用倒装,此处情态动词should提到主语之前,故选A。 进步从总结开始! on behalf of和put up with 高考频度：★★ 难易程度：★★ 1. I must, my company, thank you again for your generous help. A.on account of B.on behalf of C.in favor of D.in honor of 【参加答案】B 【知识讲解】 on behalf of代表……一方；作为……的代言人 ?On behalf of everyone here，I wish you a pleasant journey. 我代表在座各位祝你旅途愉快。 ?Mr Knight cannot be here，so his wife will accept the prize on his behalf. 奈特先生不能来，因此由他的夫人代他领奖。 2. You look happy every day but I really wonder how you _____ their endless quarrelling. A. look down upon B. put up with C. keep up with D. come up with 【参考答案】B 【试题解析】句意：你每天看起来都很高兴，但我的确很纳闷你怎么受得了他们无休止的争吵。look down upon＂轻视，瞧不起＂；put up with＂容忍，忍受＂；keep up with＂赶上＂；come up ... ...
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