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1、精选,1,精选,2,Lesson 4Dont Smoke, Please!,课前自主预习,课堂互动探究,Unit 1 Stay Healthy,精选,3,课前自主预习,Lesson 4Dont Smoke, Please!,smoke,harmful,harm,law,risk,精选,4,Lesson 4Dont Smoke, Please!,public,在任何的时候； 无论何时,有人； 某人,病； 疾病,精选,5,be bad for,millions of,talk about,get into the habit of,give up,Lesson 4Dont Smoke, Pleas
2、e!,精选,6,由于； 作为的结果,冒险,二手烟,远离,违法,Lesson 4Dont Smoke, Please!,精选,7,is,for,Smoking,bad,Whenever,Lesson 4Dont Smoke, Please!,offers,a,you,encourage,cigarette,them,to,stop,smoking,精选,8,should,into,try,explaining,get,Lesson 4Dont Smoke, Please!,the,it,habit,give,of,up,精选,9,课堂互动探究,词汇点睛,1harmful adj. (尤指对健康或
3、环境)有害的；导致损害的,观察 Why is smoking harmful to peoples health? 为什么吸烟对人们的健康有害？,Lesson 4Dont Smoke, Please!,精选,10,探究 harmful 为_词，常用于短语be harmful to， 意为“_”，相当于be bad for。其名词形式 为harm，意为“_”，常用于短语do harm to，意为 “对造成伤害”。此外，harm还可以作动词，意为“伤害”， harm sb. 意为“伤害某人”。 If you smoke, you do harm to yourself. 如果你吸烟，你就是在伤害你
4、自己。,形容,对有害,伤害， 损害,Lesson 4Dont Smoke, Please!,精选,11,拓展 (1)类似的由名词在后面加上ful构成的形容词还有 careful(小心的)，helpful(乐于助人的)，painful(疼痛的)， useful(有用的)，peaceful(和平的)等。 (2)harmful的反义词为harmless。 The plant is harmless to humans. 这种植物对人类无害。,Lesson 4Dont Smoke, Please!,精选,12,活学活用,1(1)Playing computer games toooften _ our
5、 eyes. Ais helpful to Bis harmful to Cis good for Dis bad to,B,Lesson 4Dont Smoke, Please!,精选,13,(2)2017云南 All the people in the world wish to enjoy a beautiful and_(peace) life. (3)2017上海 PM 2.5 does harm to peoples health and the environment.(改为同义句) PM 2.5 is_ _ peoples health and the environment.
6、,peaceful,harmful,Lesson 4Dont Smoke, Please!,to/bad for,精选,14,2somebody pron. 有人；某人,观察 When somebody talks about smoking, change the topic. 当有人谈论吸烟的时候，换一个话题。 There is somebody at the door. 门口有一个人。,Lesson 4Dont Smoke, Please!,精选,15,探究 somebody为不定代词，常用于_句中，其同义词 是someone。somebody作主语时，谓语动词要用_(单/复) 数形式。
7、,肯定,单,Lesson 4Dont Smoke, Please!,精选,16,拓展 不定代词作主语时，谓语动词用单数形式。类似用法的 不定代词有nobody(没有人), everybody(每个人), anybody(任何人)。,Lesson 4Dont Smoke, Please!,精选,17,辨析 somebody, anybody, nobody与everybody,Lesson 4Dont Smoke, Please!,精选,18,22017自贡改编 Nancy spoke in such a low voice that_ in the room could hear her. A
8、everybody Bsomebody CNobody Danybody,C,Lesson 4Dont Smoke, Please!,【解析】考查代词用法。由空格前in such a low voice(用如此低沉的声音)可推断出，屋子里没人能听到她的声音。故选C。,精选,19,3millions of 数以百万计的,观察 Every year, millions of people around the world die as a result of smoking. 每年，全世界数百万人死于吸烟。,Lesson 4Dont Smoke, Please!,探究 millions of 意为
9、“数以百万计的”，其后接可数名词 的_形式，表示约数；前面有具体数字时，million 用 单数形式，且不加of，表示确数。,复数,精选,20,拓展 不定类似的还有hundreds of(成百上千的), thousands of(成千上万的)等。,Lesson 4Dont Smoke, Please!,记忆口诀 hundred, thousand和million， 有时含糊有时清； 清时无s和of， 糊时s和of跟。,精选,21,3. (1)2016乌鲁木齐 _ Kobes fans watched his final match and three fourths of them were
10、men. A. Million of B. Three millions C. Millions of D. Three million of,C,Lesson 4Dont Smoke, Please!,【解析】millions of意为“数以百万计的”； 三百万要用“three million”表示。,精选,22,(2)2017凉山 Last week, five_ students took part in the sports meeting in our school. Ahundred Bthousands Chundreds of Dthousands of,A,Lesson 4D
11、ont Smoke, Please!,【解析】句意：上周，我们学校的五百名学生参加了运动会。hundred或thousand前有基数词修饰时，即表示确切数字时，后面不加s。故选A。,精选,23,4as a result of 由于；作为的结果,观察 Every year, millions of people around the world die as a result of smoking. 每年，全世界有数百万人死于吸烟。,Lesson 4Dont Smoke, Please!,探究 as a result of 意为“_”，of后常接 表示原因的名词或代词，相当于because of
12、。,由于； 作为的结果,精选,24,Lesson 4Dont Smoke, Please!,拓展 as a result意为“结果；因此”，用作副词短语， 后接表示事情结果的句子。 All the singers kept together. As a result, their performance was successful. 所有的歌手协调一致，因此，他们的演出 非常成功。,精选,25,4用as a result或as a result of填空 (1)雨下得很大，因此我们不能出去。 Its raining hard, and _， we cant go out. (2)因为下雨，我
13、们没有出门。 We didnt go out _ the rain.,as a result,Lesson 4Dont Smoke, Please!,as a result of,精选,26,句型透视,1Whenever someone offers you a cigarette, you should always say no.无论何时有人给你烟，你都应该拒绝。,Lesson 4Dont Smoke, Please!,精选,27,探究 (1)whenever_，意为“无论何时”。 类似的单词还有whoever(无论谁)，wherever(无论在哪儿)， however(无论怎样)。 Wh
14、enever/No matter when you meet difficulties, you can ask the police for help. 无论何时你遇到困难，你都可以向警察求助。 (2)offer sb. sth._， 意为“给某人提供某物”。 We should offer our seats to the old on the bus. 在公交车上，我们应该主动给老人让座。,no matter when,offer sth. to sb.,Lesson 4Dont Smoke, Please!,精选,28,辨析 offer与provide,Lesson 4Dont Smo
15、ke, Please!,The school provided the students with food.The school provided food for the students. 学校为学生提供食物。,精选,29,活学活用,1(1)Whenever he wants to visit the museum, his son will lead him there.(改为同义句) _ _ _ he wants to visit the museum, his son will lead him there.,No,matter,when,Lesson 4Dont Smoke, Please!,精选,30,(2)2017连云港 The newlyopened company_ the local people with more chances to work. AgivesBprovides Coffers Dshows,B,Lesson 4Dont Smoke, Please!,【解析】考查动词辨析。句意：那个新开业的公司给当地的人们提供更多的就业机会。根据后面的with可知用provide。provide sb. with sth.意为“提供某人某物”。故选B。,精选,31,2If your family members smoke,
