人教版安徽省高中英语总复习 Unit4　Astronomy：the science of the stars课件 新人教必修3

1、Unit4Astronomy： the science of the stars 12022/7/30 星期六根据语境猜词义(1) Fruit juices can be_harmful_to childrens teeth. (2) Many households products are potentially harmful. 1、 harmful adj.22022/7/30 星期六根据语义找匹配：A. 有害的B. 危害 (1) A(2) B 1、 harmful adj.harm n. 伤害； 损害 vt. 伤害； 损害 harmless adj. 无害的； 无恶意的 链接do sb

2、. harm do harm to sb. 对某人有害be harmful to 对有害短语32022/7/30 星期六 It does no harm to do sth. /There is no harm (in) doing sth. 不妨做某事 It wouldnt do sb. any harm to do sth. 做某事对某人并无害处 No harm done! (对别人做错事的一种劝慰) 没事儿！ 不要紧！句型1、 harmful adj.42022/7/30 星期六单词拼写(1) Your smoking may be harmful (有害) to the health

3、of your baby. (2) The storm has done great harm (有害) to the crops. (3) The dog seems fierce, but actually hes harmless. 1、 harmful adj.52022/7/30 星期六2、prevent v.根据语境猜词义(1) The heavy rain prevented us (from) going to school. (2) They have been prevented by the traffic jam from going there on time. 62

4、022/7/30 星期六根据语义找匹配：A. 阻碍 B. 阻止 (1) B(2) A 2、prevent v.“阻止某人做某事”的几种表达式：ban sb. from doing sth. stop sb. (from) doing sth.keep sb. from doing sth. 链接72022/7/30 星期六 单项填空 ()(1) We must take firm and efficient measures to prevent pollution _our life even better. A. to make B. making C. make D. against m

5、aking2、prevent v.82022/7/30 星期六 A考查非谓语动词的使用。本题的语义是： 为了使我们的生活更加美好，我们必须采取果断而卓有成效的措施阻止污染。根据语境非谓语动词在本句是目的状语，所以答案是A。本题极容易造成学生们的思维定势而误选B。2、prevent v.92022/7/30 星期六 ()(2) Well spare no effort to prevent the river _. A. from polluting B. polluting C. being polluted D. polluted2、prevent v. C考查非谓语动词的使用。本题的语义是

6、：我们将不遗余力地阻止河流污染。根据语境河流与污染形成了被动关系，所以答案是C。 102022/7/30 星期六3、develop v.根据语境猜词义(1) We should develop the habit of reading, because reading can develop the mind. (2) Shanghai has developed into a commercial center of our country. (3) We must develop many more new products in order to satisfy the demands

7、of market. 112022/7/30 星期六根据语义找匹配：A. 养成(习惯) B. 发展C. 开发 (1) A(2) B(3) C 3、develop v.developed adj. 发达的 developing adj. 发展中的 development n. 发展 链接122022/7/30 星期六 用develop的正确形式填空 With the development of science and technology, some developing countries have developed into developed ones. 3、develop v.132

8、022/7/30 星期六4、puzzle n&v.根据语境猜词义(1) Its a puzzle to me why he hasnt come for my birthday party. (2) Can you help me out with the math puzzle?(3) Her word puzzled him. (4) I was puzzled how to handle the situation. 142022/7/30 星期六 根据语义找匹配：A. 使迷惑不解B. 谜C. 难题D. 使为难(1)B(2)C(3) A(4) D4、puzzle n&v.152022/7

9、/30 星期六puzzling adj. 令人困惑的；使人感到困惑的puzzled adj. 困惑的；感到困惑的puzzlement n. 困惑，迷惑be in a puzzle about 对大惑不解work out a puzzle 猜谜；解决难题puzzle over 对冥思苦想puzzle out (苦苦思索而)搞清楚puzzle ones brain about / over 对而大伤脑筋链接4、puzzle n&v.162022/7/30 星期六 用puzzle的正确形式填空 The (1) puzzling boy (2) puzzled his mother, so there

10、 was a (3) puzzled expression on her face. Much to (4) puzzlement of his mother, he left home without saying a word. 4、puzzle n&v.172022/7/30 星期六5、gentle adj.根据语境猜词义(1) Mothers are always gentle with their children. (2) Its very comfortable to let the gentle wind blow on your face. 182022/7/30 星期六根据

11、语义找匹配A. 轻轻的，轻柔的 B. 温柔的，文雅的 (1) B(2) A 5、gentle adj.gentlelooking adj. 看起来彬彬有礼的、看起来很绅士的gentleman n. 绅士，先生gently adv. 温柔地，轻柔地，轻轻地 gentleness n. 温柔，和善链接192022/7/30 星期六be gentle with sb. 对某人体贴入微，对某人温柔有加gentle in voice / action 声音温柔，举止文雅have a gentle manner of doing sth. 做某事风度高雅短语5、gentle adj.202022/7/30

12、 星期六 gentle/mild/soft gentle 用于人时，指温柔文雅的举止，出于自我约束或对他人的体贴。指物时，强调物体运动的轻缓。 mild 指出于本性性格温柔，脾气好，强调自己“态度安详，不粗野”。 He has too mild a nature to lose his temper. soft 指人心肠柔软，言语婉转。 I am always too soft with you. 辨析5、gentle adj.212022/7/30 星期六 单项填空 ()(1) Strolling at the lake, the _ wind is brushing your face.

13、How romantic! A. mild B. soft C. gentle D. light5、gentle adj. C考查形容词词义辨析。题意是：信步于湖畔，清风轻拂着你的脸。多么富有诗情画意啊！通过语境体现出是物体运动轻缓的语义，所以答案是C。222022/7/30 星期六 ()(2) The teacher was too _ with her class, so they were out of control. A. mild B. soft C. gentle D. light5、gentle adj. B考查形容词词义辨析。题意是：老师对学生们心太软了，他们都不听她的。语境

14、体现出的是人的心肠柔软，所以答案是B。232022/7/30 星期六6、pull n&v.根据语境猜词义(1) To escape the pull of the earth, a rocket must reach a speed of 28,440 km/h. (2) He pulled the door open and rushed out. 242022/7/30 星期六根据语义找匹配：A. 拉B. 吸引力 (1) B(2)A 6、pull n&v.252022/7/30 星期六pull down 拆除； (把身体)拖垮pull off (匆忙地)脱下(衣物); (成功地)完成pul

15、l on (匆忙地)穿上pull out 拔出； 驶出； 摆脱(困难)pull in 进站；靠岸 pull away 驶离；开走pull together 通力合作； 整顿； 控制(感情)pull through 恢复健康；渡过难关短语6、pull n&v.262022/7/30 星期六 pull/draw/drag pull 一般用法，指各种情况的“拉”，但有时强调一时或突然拉的动作。 I pulled the handle and the door opened. draw 指平稳、较轻地拉。 After some time, the fisherman began to draw the

16、 net. drag 往往指用大力气拖拉笨重物体，有“拖拉”的意思。 He dragged a heavy box upstairs alone. 辨析6、pull n&v.272022/7/30 星期六 C考查动词短语辨析。 语义是：班车驶进车站，乘客一个个地下来了。drive away开走；push in 是不存在的短语；rush in 冲进，不合题意，所以答案是C。 单项填空 ()(1) The bus _ the bus station and the passengers got off one after another. A. drove away B. pushed in C.

17、 pulled in D. rushed in6、pull n&v.282022/7/30 星期六 D考查动词短语辨析。 语义是：勇士匆忙脱下衣服跳进河里救那落水儿童。pull on匆忙穿上；put off 推迟；take off脱下，在语境中不是最佳答案；pull off匆忙脱下，所以答案是D。 ()(2) The brave man _ his clothes and jumped into the river to save the drowning boy. A. pulled on B. put off C. took off D. pulled off6、pull n&v.2920

18、22/7/30 星期六7、cheer up根据语境猜词义(1) Its said that thousands packed the city center to cheer her. (2) Everybody cheered when the medical team arrived. (3) When the rescuers appeared, cheers ran out of the waiting crowd. 302022/7/30 星期六根据语义找匹配A. 为喝彩B. 欢呼C. 欢呼声；喝彩声 (1) A(2) B(3) C 7、cheer upCheers! 干杯！ che

19、erful adj. 兴高采烈的； 精神振奋的链接cheer up (使)高兴起来； (使)振作起来cheer on 为鼓气； 向喝彩短语312022/7/30 星期六8、 break out根据语境感悟其用法(1)Last year EV71 virus broke_out in many parts of China. (2)Last night a fire broke_out in his house. 根据语境break out意思是：_。322022/7/30 星期六8、 break out (战争、火灾、疫病)发生、爆发 注意：“发生”在英汉表达形式上有不同。 汉语“发生”后接宾

20、语，但英语不可以，它要把汉语中的宾语放在主语位置上，且不能用被动语态。332022/7/30 星期六 单项填空 ()(1) To understand the grammar of the sentence, you must break it _ into parts. A. down B. up C. off D. out8、 break out A考查动副词的搭配。题意是：要想理解这句话的语法，你必须把它划分开。所以答案是A。 342022/7/30 星期六 ()(2) News reports say peace talks between the two countries _ wi

21、th no agreement reached. A. have broken down B. have broken outC. have broken in D. have broken up8、 break out A题意是：据新闻报道，两国和谈由于没有达成一致意见而破裂。所以答案是A。352022/7/30 星期六9、come on根据语境猜词义(1)Come_on! well be late. (2)Come_on,_guys! You can do it. (3)Come_on! Our future is bright. We will be successful. (4)Oh!

22、 come_on,_dont lie to me. (5)Come_on! Baby. 362022/7/30 星期六根据语义找匹配A.用于表示催促，相当于Hurry up! 赶快！ 抓紧！抓紧时间！B.表示对对方的鼓励。 加油！ 加把劲！C.表示对对方的劝慰。 高兴点儿！乐观点儿！D.用于对对方的挑衅。 来呀！来吧！E.表示对对方所说的早有耳闻。算了吧！得了吧！ 别逗了！(1)A(2)B(3)C(4)E(5)D9、come on372022/7/30 星期六 come about 发生，产生 come along (表示催促)快点！一道去，进展 come back to life 苏醒，复活

23、 come down 下来，降价 come out 出现，结果，出版(出版之物在主语位置上，不能用被动语态) come over 过来，短暂造访，顺便来访，从(远道)而来短语9、come on382022/7/30 星期六 come around 再度出现、改变(观点、心态) come to 来到，总计，结果是 come up 上来，上升，提出(宾语在主语位置上，不能用被动语态) come up with 提出(直接接宾语)，想出，赶上 come into being 出现，产生，形成 come for 来取，为而来短语9、come on392022/7/30 星期六 单项填空 ()(1) I

24、ts already 10 oclock, I wonder how it _ that she was two hours late on such a short trip. A. came over B. came out C. came about D. came up9、come on402022/7/30 星期六 C考查come有关短语的语义辨析。语义是：已经10点了。我纳闷这么短的一段路他迟到两个小时是怎么回事。依据语境语义说明这一局面的产生。come over过来，短暂造访，顺便来访，从(远道)而来；come out 出现，结果，出版；come about 发生，产生；come

25、 up上来，上升，提出，所以答案是C。9、come on412022/7/30 星期六 ()(2) I am dead tired. I cant walk any further, Jenny. _， Tommy. You can do it!A. No problem B. No hurry C. Come on D. Thats OK9、come on422022/7/30 星期六 C考查交际英语的使用。语义是：我都累死了。詹妮，我一步都不能走了。加把劲吧，汤米，你一定能行的！表示鼓励。No problem是对别人请求你做某事的应允；No hurry汉语式的表达；Come on表示鼓励；

26、Thats OK. 对道歉的回应，所以答案是C。9、come on432022/7/30 星期六 ()(3) The dictionary is being printed and it will soon_. A. turn out B. come out C. start out D. go out9、come on442022/7/30 星期六 B考查动词短语语义的辨析。语义是：这本词典正在付印中且不久就要出版了。turn out虽然有“出版”的意思，但在这里要用被动语态；come out表示“出版”，在这里不用被动语态；start out动身，出发；go out 出去，所以答案是B。9

27、、come on452022/7/30 星期六10、What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. (P25) 随后它将变成什么样子无人知晓，直到38到45亿年之间它才形成了一个固体的球体。462022/7/30 星期六 when 在这个句子中是并列连词引导并列句。when引导并列句不能放在句首，它所体现出的语义是：“就在这时；就在那时；此时此刻；届时”。一般它有两个极具有代表性的句式：(1)be d

28、oing sth. when 表示“正在做某事就在这个时候发生了另外的一件事” 。(2)be about to do sth. when 表示“正要做某事就在这个时候发生了另外一件事”。472022/7/30 星期六 I was about to leave when the phone rang. 我正要出去就在这个时候电话响了。 I was walking in the street when I heard my name called from behind. 我正在街上散步就在这时我听到有人在背后叫我的名字。 Professor Wang will come for a visit

29、to our school in May when he will give away his works to our library. 王教授将在5月份访问我校，届时他会把他的著作捐赠给我校。482022/7/30 星期六 when除了引导时间状语从句外，它还能引导哪些状语从句呢？(1)How can he learn anything when he has spent all of his spare time surfing the Internet playing computer games? (2)They kept digging when they must have kn

30、own there was no hope. 492022/7/30 星期六(1) 引导原因状语从句，表示“既然”。既然他把所有的业余时间都用在上网玩游戏上了，他又怎能学到什么呢？(2) 引导让步状语从句，表示“尽管”。他们明明知道没任何希望，但他们还是不停地挖。502022/7/30 星期六11、Although its origin may still be a puzzle, the moon can never be anything more_than a satellite of the earth.(P28) 尽管月球的起源扑朔迷离，但它只不过就是地球的一颗卫星。512022/7/30 星期六 neveranything more than no more than only 只是，只不过 The building can never be anything more than a big house. 这个建筑物充其量就是一座大房子。 He is much of a talker, but, as a matter of fact, he is never anything more than an unknown person. 他侃侃而谈，但实际上他就是一个无名之辈