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1、高中英语必修5第一单元重点、难点Unit One Great scientists1、Which scientist discovered that objects in water are lifted up by a force that helps them float?(p1) 那位科学家发现水中有一种力量能帮助物体漂浮？ discover 用法归纳 (1)发现某东西 Columbus discovered America in 1492. 1492年哥伦布发现美洲大陆。 Do you know who discovered electricity? 你知道是谁发现电吗？ (2)发现某
2、情况 A. 跟从句 She discovered that he was excited. 她发现他很激动。 It was never discovered how he died. 永远也没发现他是怎么死的。 B. 跟名词或代词 We soon discovered the truth. 我们很快就发现了真相。 He discovered his mistake too late. 他发现他的错误太迟了。 C. + O + OC Entering the room, I discovered him sitting near the fire, reading. 一进房子，我发现他坐在火边看
3、书。 We discovered her to be a good cook. 我们发现她是个好厨师。 特别提示： discover后的宾语补足语多用doing或to be结构。【小试】： 1. So far nobody has claimed the money in the library. A. discovered B. to be discovered C. discovering D. having discovered 2. There were many talented actors out there just waiting . A. to discover B. to
4、 be discovered C. discovered D. being discovered Key: A B2、Whoput forwarda theory about black holes?(p1) 谁提出了有关黑洞的原理？put forward( 1 ) 提出Are you serious in putting forward such an idea? 提出这样的一个想法你不是认真的吧？( 2 ) 推荐；提名May I put your name forward as a possible monitor?( 3 ) 提前；拨快The warm weather has put t
5、he crops forward by a month.Put the clock forward by ten minutes.3、Do you know how to prove a new idea in scientific research?(p1) 你知道在一项科学实验中怎样来证明一个新观点吗？prove vt. & vi.用法归纳： （1）证明；证实(vt.) A. + n. / pron. He proved his courage in battles. 他在战斗中证实了他的勇敢。 Can you prove it to the court? 你能向法庭证明这一点吗？ B.
6、+ 从句 Can you prove where you were last night? 你能证明昨天晚上在什么地方吗？ C. + n. / adj. / to be 构成的复合结构 One mad action is not enough to prove a man mad. 一次疯狂的行为不足于证明这个人就是疯子。 He proved himself to be an interesting man on the long journey.长途旅行中他证明自己是个很有趣的人。 （2）事实证明是(link-v) A. + 形容词 What he said proved right. 他说
7、的话后来证明是对的。 B. + 名词 The book proved a best seller. 事实证明那本书很畅销。 C. + to be My suggestion proved to be better. 事实证明我的建议更好。 D. + of +抽象名词 This book will prove of great use to senior students.事实将会证明这本书会对高中生有很大用处。特别提示：“prove + of +抽象名词”句型中，抽象名词前要加修饰词。如 much; great; a lot of 等。【小试】：1、His story proved _.A.
8、truly B. true C. truth D. true not 2、Every means _, but none proved _.A. have tried; successful B. has been tried; successfulC. has tried; to be successfully D. have been tried; successfully Key: 1、B 2、B4、Discuss in small groups the stages in setting out a new scientific idea.(p1) 分小组讨论新的科学观点的形成步骤。s
9、et out用法归纳( 1 ) 动身；出发They set out at six and hoped to arrive before dark.他们六点出发希望天黑前能到达。( 2 ) 打算；开始；着手He set out to write a new novel. 他开始写新小说了。The runner set out to break the world record. 那个跑步运动员打算打破世界记录。( 3 ) 列举；详述He set out his ideas in simple English. 他用简单的英语阐述了自己的观点。They set out all their reas
10、ons. 他们列举了他们所有的理由。( 4 ) 摆好；布置Set out the chairs for the meeting in rows of ten. 把开会用的椅子摆成十行。The goods were set out on the shelves. 货物被摆放到货架上。联想扩展：set about 开始；散布 set back 往回拨；推迟 set aside 挑出；不顾；不理会 set apart 使分离；留出 set forth 动身；启程；阐明 set off 动身；出发；引爆 set oneself against 坚决反对 set out 动身；开始；装饰；摆放 set
11、out to do sth 着手做 set about doing sth着手做【小试】： 1、Its ten years since the scientist _ on his lifes work of discovering the valuable chemical. A. made for B. set out C. took off D. turned up2、Having decided to rent a flat, we _ contacting all the accommodation agencies in the city. A. set about B. set
12、down C. set out D. set up 3、Rita _ two hours every Sunday afternoon to spend with her son. A. set out B. set away C. set aside D. set off 4、The funny story _ a loud laugh in the classroom. A. got off B. set off C. took off D. turned outKey:B A C C5、Think of a method. 想一个方法。（p1）think of用法归纳： （1）想起；记起
13、 Sorry, I didnt think of your name just now. 对不起，我刚才没想起你的名字。 We should think of some excuses. 我们应该找一些借口。 （2）考虑 We should think of the matter carefully. 我们应该认真考虑这个问题。 Please think of what I have said. 考虑一下我所说的。 （3）为着想 Chen Guangbiao is always thinking of the poor people in the poor areas. 陈光标总是想着贫穷地区
14、的穷人。 Dont trust him, he only thinks of himself. 别相信他，他只为自己着想。 （4）想；打算 I am thinking of giving up smoking. 我打算戒烟。 Is there anyone thinking of going out to play basketball with me? 有人想和我出去打篮球吗？ 联想扩展：think about想；考虑 think much of 对评价很高 think highly / well of 高度评价 think badly / little of认为不好 think nothing of 觉得不怎么样 think out 想出；想清楚 think over 仔细考虑【小试】： How long have you worked in this library?
