unit 4 Cyberspace 学案 北师大版必修2

M2 unit 4 Cyberspace（1）1. come true 指愿望实现,预言成真,不可用于被动语态 His wish to be an actor has come true. 他想当演员的愿望实现了。 与come true 同义的有realize, 但它是及物动词,可用于被动语态。She worked hard to realize her dream.她为了实现她的梦想而努力工作。2. cause, reason与excuse三个词都可以作名词，cause是自然造成某种结果的原因；reason指在事实的基础上通过逻辑判断出来的理由，常与for短语连用；excuse表示“辩解，借口”，指为某一行为所做的解释，可以是真的，也可以是托词。make up an excuse 编造一个借口Too much work is no excuse for not studying.工作太多并不是不学习的借口。Heart trouble is one of the most serious causes of death among old people.心脏病是导致老年人死亡的最重要的原因之一。(不用reason)The reason (why) I was absent yesterday is that I was sick.我昨天缺席的原因是我生病了。(不用cause)We have no reason to disbelieve him.我们没有理由不相信他。(不用cause)cause可用作动词，cause trouble to/for peoplecause people trouble表示“给人带来麻烦”， cause the patient much pain(使病人感到疼痛)，也可用 cause sb. to do这一结构。The drought caused the vegetable prices to go up.干旱使得蔬菜价格上涨。reason可以作动词，意为“推理，推论，评理，劝说”。1. 起火的原因是不谨慎。The _ of the fire was carelessness.2. 那些植物死于何种原因？What _ the plants _ die?3. 我的电脑给我带来很多麻烦。My computer has _.4. 我迟到的原因是误了车。_ Im late is that I missed the bus.【答案】cause2. caused; to3. caused me a lot of troubles4. The reason why3. affect v. 影响,作用；感动 The climate affected his health. 气候影响了他的健康。 1. 这个悲惨的消息使他非常难过。He _ by the sad news.2. 老师说的一定会对我们的将来有很大影响。What the teacher said will _ our future.3. 我们的努力开始见效了。Our efforts are beginning _.4. 下周开始实行新的管制。New controls _ next week.【答案】1. was much affected2. have a great effect on3. to have / take an effect4. will bring into effect 4. offer vt. 提供,提出某物供考虑;出价She offered a reward for the return of her lost necklace.她为寻回遗失的项链提出以酬金答谢。She has offered 10,000 pounds for that house.她已经出价10,000英镑买那栋房子。He always offers to help the others. 他总是乐意帮助别人。 Mother came towards me, smiled and offered her hand. 母亲走向我，微笑着并且伸出她的手。n. 开出的价钱,如：a special offer。美国有份工作要聘请我去做。 _他出300美元买我那台电脑。 _I have been offered a job in America.He offered me 300 dollars for that computer.5. feel like 想(干某事),愿意(做某事) 后面常接名词或动名词形式,不能接不定式, 此处like是介词,不是动词。 I dont feel like swimming very much today. 今天我不太想游泳。除feel like doing sth.以外,还可以用以下结构表示“愿意干”：would like to do sth. 愿意做某事 would like后面常接不定式,不接动名词。 I would like to have a talk with you. 我想和你谈谈would prefer to do 接不定式 I would prefer to study alone home than study in groups. 我宁愿自己单独在家学习也不愿进行小组学习。 6. suggest v.建议；表明；暗示suggest作建议讲时后接名词、动名词或that从句，that从句要用虚拟语气should动词原形(should可以省略)；向某人建议某事用“suggest sth. to sb.”。I suggested putting off the sports meet.我建议将运动会延期。当suggest表示“说明，表明，暗示”时，不用虚拟语气。His expression suggests that he didnt sleep well last night.他的脸色说明他昨晚没睡好。名词suggestion后的表示具体建议内容的表语从句或同位语从句以及It is suggested that的that从句都应用should动词原形，should可以省略。My suggestion is that the work should be started at once.我的建议是立即动工。1. 他向我们建议用另外一种方式来处理这个问题。He suggested to us that _ the problem another way.2. 有人建议我们在晚会上演一个短剧。_ we put on a short play at the party. 【答案】we should deal with2. Its suggested that7. be situated on / in, be located in / on与lie in 以上三个短语都表示“某物位于位置”。 Guangdong is situated in the south of China. Guangdong is located in the south of China. Guangdong lies in the south of China. 关于地理位置的表达,不同的方位用不同的介词,以下就常用介词进行讲解：介词 in, on, to都可以用来表示某个位置的方向,它们的意义不同,故表示的方向及范围也不同： in表示方位,含义是“在之内”,即一个小地方处在一个大地方的范围(疆域)之内。Inner Mongolia lies in the north of China. 内蒙古在中国的北部。(内蒙古是中国北部的一个省份,是中国的领土,在中国的疆域之内。)on表示方位,含义是“在端/边”,即一个地方在另一个地方的某一端或某一边,两个地方只是相邻或接壤,互不管辖。Canada is on the north of America. 加拿大在美国的北边。(加拿大与美国在地理位置上是连在一起的,即两者相邻,却互不管辖) to表示方位,含义是“在面”,即一个地方在另一个地方的范围之外,互不管辖。尤其当两个地方相隔较远,且有湖泊、大海等区域相隔时,通常用 to。Greenland is to the northeast of Canada. 格陵兰岛在加拿大的东北面。(格陵兰岛在加拿大范围之外,且有戴维斯海峡分隔。) 8. settle vt.& vi.定居,殖民 After years of travel, we decided to settle here. 旅行多年后, 我们决定在此定居。 短暂停留 Dust has settled on the furniture. 家具上已积满灰尘。解决问题, 处理争端 settle a dispute / an argument / an issue 解决争端/争论/问题 The two companies settled out of court. 两家公司在法院外解决了争端。9. protest vi. 抗议 常用搭配为protest against / about / at sth. 抗议, 反对(某事物),(对某事)提出异议 She protested strongly at being described as ugly. 她极力反对别人说她丑。 They protested to the mayor that the taxes were too high. 他们向市长提出抗议说税款过高。 固定短语：protest too much 过犹不及10. average, general与commonaverage作名词时有“平均、平均数”的意思。 The average age of the boys in this class is fifteen. 这班男生的平均年龄是15岁。 常见的用法是an average of The newspaper receives an average of nearly 100 articles a day. 那个报社一天平均要收到近100篇来稿。作形容词,意思是“一般的,普通的,中等的,平均的”,所以average person