仁爱英语八年级上课件复习UNIT2-TOPIC2

1、Unit 2 Topic 2 I must ask him to give up smoking. Zhou Junfeng一、重点短语一、重点短语1.stay up late 2.be bad for 3.be good for 4.too much5.do morning exercises 6.keep fingernails long 7.play sports right 8.go to school without breakfast9.have a bath 洗澡10.take a fresh breath 呼吸新鲜空气熬夜不吃早餐去上学对-有害对-有益进行适当的体育锻炼长长指甲

2、做早操太多n11 read -about-n12 ask sb ( not) to do n13 give up sth doing sth 14 read in the sun n15 throw litter about n16 on the lawn n17 put-into- n18 exercise on an empty stomach n19 get into n20 keep the air clean and fresh n21 wash hands before meals n22 potato chips as we know 读关于-在太阳底下看书众所周知炸薯条饭前洗手

3、保持空气清新空腹锻炼放弃某事进入把-放入-在草坪上叫-做（不做）某事乱扔垃圾n二、重点句型二、重点句型n1 Staying up late is bad for your health.n2 It will keep you active during the day.n3 Different foods help us in different waysn n4 If we eat too little or too much food-n5 It is necessary for us to have healthy eating habits . 三、语法学习三、语法学习1 情态动词mu

4、st及其否定形式 must not must 译为“必须做-” , 其否定意义“不必做-”，用dont have to 表示，而不用must not 。如：Must I finish it tonight?No, you dont have to./ No, you neednt.而must not 译作“禁止做-”。如：You must not throw litter about.Dont throw litter about.别到处乱扔垃圾。2动名词动名词n1.动名词短语表单件事情做主语，已经名词化相当于名动名词短语表单件事情做主语，已经名词化相当于名词，不是动作，词，不是动作，谓语谓语

5、用单数：用单数：nGettingupearlyisgoodforus.nGoingtobedlateisbadforourhealth.nPlayingsportsrightaftermealsisbadforourhealth.nBreakfastgivesyouenergyforthemorning.Waterisnecessaryforourhealth.n2.不只一件事情做主语，不只一件事情做主语，谓语谓语用复数：用复数：nHealthyeatinghabitsandrunningaregoodforus.nWaterandricearenecessaryforourhealth.n3

6、.使用动名词做宾语的动词使用动名词做宾语的动词practice/mind/enjoy/love/keep+doingsth/sth,1(13河南）-Dad, must we wait until the light becomes green? -Yes, Im afraid we _. Thats the traffic rule. Acan Bmay Chave to Dneed2（11河南）_ you wait a few more minutes? Itll be your turn soon. A. Must B. Should C. Could D. Might3 (10 安徽）-

7、Whatwilltheweatherbeliketomorrow?-Itberainy，cloudyorsunny.Whoknows? A. must B .might C .shall D.should 4（11江西）The work is too hard for him. He _ finish it on time. A. cant B. mustnt C. shouldnt D. neednt5 (12信阳模拟） He eats _food, so he is_fat. A much too;too much B too much ; much tooC much too;too m

8、uch D too much;too many ccBAB Grammar focusnI must ask him to give up smoking.nYou must not throw litter around.nhe thinks smoking can help him relax.nIt may cause cancer.nMay I borrow your newspaper and show it to my father? Key sentencesnStaying up late is bad for your health.nHow terrible!nDont w

9、alk on the lawn.nIts necessary for us to have healthy eating habits Staying up late is bad for your health.熬夜有害健康。stay up late熬夜be bad for对-有害。 be good for-对-有好处3.staying up late -动名词作主语。当我们需要一个动词充当主语时，常用此动词的动名词（即doing）形式。如：Playing basketball is good for your heath.Reading in bed is bad for your eye

10、s.nIt will keep you active during the day.它会使你在白天保持活力。nkeep sth/sb .+adj.保持某物/某人在某种状态。如：nkeep your fingernails clean.保持你的指甲干净。nkeep our streets clean.让街道保持干净。n little 少得几乎没有，表否定，修饰不可数名词。a little有一些，表示肯定，修饰不可数名词。与 little ，a little类似的用法的还有 few， a few 。few少得几乎没有，表否定，修饰可数名词。 a few有一些，表示肯定，修饰可数名词。nbe nec

11、essary for-对-来说是必不可少的 如：nSunshine is necessary for our life.阳光对于我们的生活来说是必不可少的。nFood is necessary for life.食物是生命所必需的nItis+adj+forsbtodosth与与Itis+adj+ofsbtodosth有何区别？有何区别？n 若形容词是描述人的性格、特征、品质的，如kind，good，nice，right，wrong，clever，careless，polite，foolish等，用of sb.n Its very kind of you to help me. 你能帮我，真好。

12、 若形容词是描述事物，不是对不定式行为者的品格进行评价，用for sb，这类形容词有difficult，easy，hard，important，dangerous，（im）possible等。n Its very dangerous for children to cross the busy street. 对孩子们来说，穿过繁忙的街道很危险。 Choose the best answers:n1.You must give up _. Its bad for your health. A. to smoke B. smoke C. smoking D. smokesn2. Throwing litter about is a bad habit. You had better _. A. to give up it B. to give it up C. giving it up D. give it upn3. Tom fell tired. The doctor asked him _ too long. A. to work B. doesnt work C. works D. not to workn4. You _ take your cat to the school. A.