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• U9-L4-W001.docx

  参考答案Number of cars: 25 millionIncrease in last ten years: 30Amount of TV advertising: 14Short car journeys: 25 under 2 milesChemicals produced by cars: carbon monoxideHealth effects of air pollution:

• U9-L4-W004.docx

  参考答案1 e 2 i 3 g 4 f 5 j 6 c 7 d 8 b 9 h 10 a

• U9-L4-W003.docx

  参考答案2 (or possibly 1)

• U9-L4-W021.docx

  难点解析【学】 on average 平均起来 还可以用on an average average n.平均还可以用作形容词平均的 普通的和动词求……的平均数 平均为读下面的句子判断average的词性1) The average price of goods rose by just 2.2 that year.2) It takes an average of ten weeks for a

• U9-L4-W009.docx

  难点解析admit vt. 承认 供认 许可某人 (某物) 进入[助记] admit sb.sth. (intoto sth.) 接受某人 (入院或入学等) 可容纳 (某人或某物) [典型例句] 1) The thief admitted his crime. 这个小偷承认了自己的犯罪行为2) I admit that I was wrong. 我承认我错了3) He admits having

• U9-L4-W002.docx

  参考答案1 roads2 makes them angry and stressed3 because they want to continue using their cars4 They present an untrue picture of driving and cars.5 We should take action by writing to the papers going to

• U9-L4-W011.docx

  难点解析suit v. 适合 对……合适 合身[助记] suitable adj. 合适的 适合的 恰当的[典型例句] 1) He said he knew of a hotel that might suit them. 他说他知道一家能让他们满意的旅馆2) The climate doesnt suit me. 这种气候对我很不相宜[习惯用语] 与suit相关的常用短语有:(be) suit

• U9-L4-W019.docx

  难点解析In the last ten years the number of cars on the roads in Britain has gone up by 30.过去十年中 英国公路上行驶的汽车数量上升了30【学】本句中go up 意思为上升 go up by 30表示以什么样的比例上升 即上升了百分之三十表示上升到……时用go up to ...如:The temperature i

• U9-L4-W024.docx

  单元测试单元测试一Ⅰ. 单项填空从ABCD四选项中 选出可以填入空白处的最佳选项1. It seems oil _______ from this pipe for some time. Well have to take the machine apart to put it right. ?　 A. had leaked　　　B. is leaking 　　　C. leaked 　　　D. h

• U9-L4-W013.docx

  难点解析How often do we arrive at work or school stressed out tired and angry 有多少次我们极度焦急疲惫恼怒地到达办公室和学校[注解] 句中stressed out tired and angry 是形容词作状语[典型例句] 1) He writes his characters large. 他字写得很大2) We drink