1、Lesson 4 Dont Smoke, Please!,课前自主预习,课堂互动探究,Unit 1 Stay Healthy,课前自主预习,Lesson 4 Dont Smoke, Please!,smoke,harmful,harm,law,risk,Lesson 4 Dont Smoke, Please!,public,在任何的时候； 无论何时,有人； 某人,病； 疾病,be bad for,millions of,talk about,get into the habit of,give up,Lesson 4 Dont Smoke, Please!,由于； 作为的结果,冒险,二手烟,远
2、离,违法,Lesson 4 Dont Smoke, Please!,is,for,Smoking,bad,Whenever,Lesson 4 Dont Smoke, Please!,offers,a,you,encourage,cigarette,them,to,stop,smoking,should,into,try,explaining,get,Lesson 4 Dont Smoke, Please!,the,it,habit,give,of,up,课堂互动探究,词汇点睛,1 harmful adj. (尤指对健康或环境)有害的；导致损害的,观察 Why is smoking harmfu
3、l to peoples health? 为什么吸烟对人们的健康有害？,Lesson 4 Dont Smoke, Please!,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，你就是在伤害你自己。,形容,对有害,伤害， 损害,Lesson 4 Dont Smoke, Ple
4、ase!,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 4 Dont Smoke, Please!,活学活用,1(1)Playing computer games toooften _ our eyes. Ais helpful to Bis harmful toCis good for Dis
5、 bad to,B,Lesson 4 Dont Smoke, Please!,(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.,peaceful,harmful,Lesson 4 Dont Smoke, Please!,to/bad for,
6、2 somebody 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 4 Dont Smoke, Please!,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。,肯定,单,Lesson 4 Dont Smoke, Please!,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
7、有nobody(没有人), everybody(每个人), anybody(任何人)。,Lesson 4 Dont Smoke, Please!,辨析 somebody, anybody, nobody与everybody,Lesson 4 Dont Smoke, Please!,22017自贡改编 Nancy spoke in such a low voice that_ in the room could hear her. Aeverybody Bsomebody CNobody Danybody,C,Lesson 4 Dont Smoke, Please!,【解析】考查代词用法。由空格
8、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。,3 millions of 数以百万计的,观察 Every year, millions of people around the world dieas a result of smoking. 每年，全世界数百万人死于吸烟。,Lesson 4 Dont Smoke, Please!,探究 millions of 意为“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,拓展 不定类似的还有hundreds o
9、f(成百上千的), thousands of(成千上万的)等。,Lesson 4 Dont 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。,3. (1)2016乌鲁木齐 _ Kobes fans watched his final match and three fourths of them were men.A. Million of B. Three millionsC. Millions of D. Three million of,C,Lesson 4 Dont Smoke, Plea
10、se!,【解析】millions of意为“数以百万计的”； 三百万要用“three million”表示。,(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 4 Dont 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。,4 as a resul
11、t 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 4 Dont 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。,由于； 作为的结果,Lesson 4 Dont 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
12、together. As a result, their performancewas successful. 所有的歌手协调一致，因此，他们的演出 非常成功。,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，我们没有出门。 We didnt go out _ the rain.,as a result,Lesson 4 Dont Smoke, Please!,as a result of,句型透视,1 Whenever someone offe
13、rs you a cigarette, you should always say no.无论何时有人给你烟，你都应该拒绝。,Lesson 4 Dont Smoke, Please!,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)。 Whenever/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
14、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 4 Dont Smoke, Please!,辨析 offer与provide,Lesson 4 Dont Smoke, Please!,The school provided the students with food.The school provided food for the students. 学校为学生提供食物。,活学活用,1(1)Whenever he wa
15、nts 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 4 Dont Smoke, Please!,(2)2017连云港 The newlyopened company_ the local people with more chances to work. Agives Bprovides Coffers Dshows,B,Lesson 4 Dont Sm
16、oke, 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。,2 If your family members smoke, encourage them to stop smoking. 如果你的家人吸烟，鼓励他们戒烟。,Lesson 4 Dont Smoke, Please!,探究 encourage 为及物动词，意为“鼓励”，其常用结构为_， 意为“鼓励某人去做某事”。 Kids should be encouraged to spea
17、k out their opinions. 应该鼓励孩子们说出自己的想法。,encourage sb. to do sth.,Lesson 4 Dont Smoke, Please!,辨析 stop doing sth.与stop to do sth.,Lesson 4 Dont Smoke, Please!,Stop talking！Its time for class. 别说话了！该上课了。 Its 12：00 oclock. We should stop to have lunch. 12点了，我们应该停下来去吃午饭。,2(1)2017黔西南 My father always _ (鼓励
18、) me to try different things.,encourages,Lesson 4 Dont Smoke, Please!,(2)2017湘潭改编 Sometimes you have to stop_ too much and just go where your heart takes you. Athink Bto think Cthinking Dto thinking,C,Lesson 4 Dont Smoke, Please!,【解析】考查非谓语动词的用法。句意：有时候你不必想太多，随心就好。stop doing sth.意为“停止做某事”；stop to do sth.意为“停下来做(另一)件事”。故选C。,
