Unit3第四课时(2a-2b).ppt

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1、R 八年级下册Unit 3Could you please clean your room?SectionB 2a-2bDo you help your parents do the chores at home?Do your parents ask you to do some things for them?2a Discuss the questions with your partner. 1. What do you often do to help your parents at home?2. Do you think kids should help out with cho

2、res at home?2bThe Sunday Mail magazine invited parents to write about whether they think young people should do chores at home. Skim the following letters. Which one agrees and which one disagrees?Answer the questions.1. What is Ms. Millers opinion?She thinks doing chores is parents job.2. What is M

3、r. Smiths opinion?He thinks its important for children to do chores and help their parents with housework.Language points1. Kids these days already have enough stress from school.（1）enough作作形容词形容词意思是意思是“足够的足够的,充分充分的的”,在句中多作在句中多作定语定语,一般修饰复数名词或一般修饰复数名词或不可数名词不可数名词,可置于所修饰的名词之前，修可置于所修饰的名词之前，修饰形容词或副词时饰形容词

4、或副词时enough要置于其后。要置于其后。当主当主语是语是it或是特定数量时或是特定数量时, enough也可用作表也可用作表语语,其后常接其后常接for引起的短语或动词不定式。引起的短语或动词不定式。如如：He has enough money to buy a car. 他有足够的钱买一辆汽车。他有足够的钱买一辆汽车。Language points（2）stress意为意为“精神压力；心理负担精神压力；心理负担”是是不可数名词不可数名词，表示，表示具体的压力的事情具体的压力的事情时时是是可数名词可数名词。如如：He has enough stress from his work。 他再工

5、作上压力很大。他再工作上压力很大。Some students are completely struck down by the stresses of examinations. 有些学生被考试的压力完全压垮了。有些学生被考试的压力完全压垮了。 Language points2. Housework is a waste of their time. 做家务是做家务是浪费他们的时间。浪费他们的时间。waste意为意为“浪费；滥用浪费；滥用”时是时是不可数名词不可数名词，waste后常接后常接of短语作其定语短语作其定语；其形容词是；其形容词是wasteful，意，意为为“浪费的浪费的”。如如

6、：Its only a waste of time to speak to her. The routine work is a waste of her talents. 做这样千篇一律的工作做这样千篇一律的工作,是浪费了她的才能。和她说是浪费了她的才能。和她说话纯粹是浪费时间。话纯粹是浪费时间。Language pointswaste还可以用作还可以用作动词动词，意为，意为“”。如如：I dont like to waste your time. 我不愿浪费你的时间。我不愿浪费你的时间。也可用作也可用作形容词形容词，意为，意为“荒芜的；无用的；浪费荒芜的；无用的；浪费的的”。如如：Wast

7、e water from factories should be treated before flowing into rivers. 工厂里的废水在流入河里之前应该经过处理。工厂里的废水在流入河里之前应该经过处理。Language points 3. They should spend their time on schoolwork in order to get good grades. in order to意为意为“目的是，为了目的是，为了”， 用来用来引导目的引导目的状语状语，表，表目的目的。其后接动词原形，。其后接动词原形， 不定式可以表示不定式可以表示目的状语，直接用目的状语

8、，直接用to do 表示；可以放在句首，也可表示；可以放在句首，也可位于句中，其位于句中，其否定式否定式分别为：分别为：in order not to 。如如：In order to finish this task, well have to work day and night. 为了完成这个任务为了完成这个任务,我们必须日夜不停的工作。我们必须日夜不停的工作。We started early in order to arrive before dark.为为了在天黑前到达，我们很早就动身了。了在天黑前到达，我们很早就动身了。Language points4. It is the pare

9、ntsjob to provide a clean and comfortable environment at home for their children.provide用作用作及物动词及物动词时时,意为意为“提供提供,供应供应”,后后可接可接名词或代词名词或代词作简单宾语作简单宾语.如如：The peasants provide us with grain and vegetables. 农民供给我们粮食和蔬菜。农民供给我们粮食和蔬菜。Did your parents provide food and clothes for you in the university? 你父母供给你在

10、大学的衣食了吗？你父母供给你在大学的衣食了吗？ Language pointsprovide还可接双宾语还可接双宾语,常用常用介词介词for引出间接宾语引出间接宾语,也也可用可用介词介词with引出直接宾语引出直接宾语,有时有时with可省略。即常可省略。即常用于短语用于短语provide sb. with sth. 与与provide sth. for sb.意思相同，均为意思相同，均为“为某人提供某物为某人提供某物”，两者通常可两者通常可相互转换相互转换。如如：Mr Smith provided food for us. = Mr Smith provided us with food.

11、史密斯先生为我们提供食物。史密斯先生为我们提供食物。provide用作用作不及物动词不及物动词时，意为时，意为“养；抚养养；抚养”，常和常和介词介词for搭配使用。搭配使用。eg：Must he provide for his family? 他必须抚养他的家人吗？他必须抚养他的家人吗？ provide意为意为“准备准备”时，常和时，常和介词介词against / for搭搭配使用。配使用。如如：They provided against the attack. 他们做好准备以防受攻击。他们做好准备以防受攻击。 Provide for your old age, please. 请为你将来年老

12、而准备吧。请为你将来年老而准备吧。Language pointsAC1.He doesnt do his homework _.So he always makes some mistakes.A.careful enough B.enough careful C.carefully enough D.enough carefully2. I hope everyone can care about _ the environment and stop _ things.A.protecting; wasting B.protecting; to wasteC.protect; wasting D.protect; to wasteC3.She got up early this morning _ he could catch the first bus.A. in order to B. in order that C. all that D. whether4. Textbooks for junior students _ for free in most areas of China. A. provideB. provided C. are providedB