八年级上册二单元二话题ＳｅｃｔｉｏｎＢ

1、 Unit 2 Topic 2 Section B1、 必背单词：1. 文章_ 2.吸烟，冒烟_3.甚至，即使_4. 癌症_5.精力，活力_6.必要的，必须的_7.活跃的；积极的_二、必背词组1. read in the sun 在太阳下阅读2.borrow sth from sb/borrow sb sth 向某人借东西3. read an article about. 阅读关于某事的文章4.  be bad/good for  对有害/有益5.  cause c

2、ancer/illness 导致癌症/疾病6.  How terrible! 太可怕了 7.ask /tell sb to do 请或者让某人做某事 8.ask/tell sb not to do 请或者让某人不要做某事9.  give up doing sth  放弃做某事 10.  show sb sth/ show sth to  sb  让某人看东西11. take a walk 散步12.  be 

3、;necessary for   对. 有必要 13.  enough water  足够的水 14. big  fast enough 足够大/快15.  keep sb active  使.活跃16. during the day 在白天    3、 语言点讲解1.I must ask him to give up smoking.我必须要他戒烟。1. ask sb.to do sth.意为“要求某人做某事”，其否定形式为

4、ask sb. not to do sth.类似的动词还有want,tell ,get 等。例如：I must tell him not to smoke.我必须告诉他不要吸烟。2. give up 意为“放弃”，后接名称或动名词。例如：You should give up drinking.2. Drink enough water every day.每天喝足够的水。enough做形容词或副词，意为“足够的、充分地”。这里作形容词，修饰名称water,修饰名词时放在名词前也可以放在名词后，修饰形容词或副词时必须放于其后。例如：I have enough money to buy a car

5、.我有足够的钱买车。We didnt leave early enough.我们离开的不够早。拓展：（1）enough 作代词，意为“足够，充分”。如： Have you had enough? 你吃饱了吗？（2） enough to do sth. 意为“足够.可以做某事”，此句式还可以与“so.that.如此.以致.”或“too.to.太.而不能.”互换。例如：She is not old enough to go to school.She is too young to go to school.She is so young that she cant go to school .她

6、年龄太小不能上学。四、重点句型1.He thinks smoking can  help him relax .2.Breakfast gives you energy for the morning.3.Walking is a good exercise.Its necessary for your health.4.Drink enough water every day.五、当堂练习：A:单项选择1. The old lady has _,but she isnt_.A. enough money; enough h

7、appy B.money enough C.enough money ;happy enough D.money enough ;enough happy2. _is good exercise .Its good for our health.A. swim B.swimming C.swims D.swam3. -Smoking too much can even cause cancer.-_A. How terrible ! B.Never mind. C. Whats wrong? D.What a shame!4. The newspaper _good habits bring

8、you a happy life.A. speaks B.tells C.talks D.says 5. The man fell jll.He had to give up _basketball.A.plays B.to play C.playing D.play B:用所给词的适当形式填空in the sun ,give up ,put .into ,during the day,take a walk 1.You mustnt throw litter around,You should _it _the dustbin.2. My mother often tells me not

9、to read _.3. Having enough sleep will keep you active _.4. I must ask my father to _smoking .5. He usually _after supper.C:句型转换1.  Drink some milk before you see the doctor.（改为否定句） _ drink _ milk before you see the 

10、doctor. 2. Fish will die if there is no water.（改为同义句） Fish _ live _ water.   3.吸太多的烟会导致癌症。（翻译成英语） Smoking too much may _  _. 4. We must eat _ food to 

11、help us be in a good _.  (health) （完成句子）5. Is going to bed early good for our health? Is going to  bed early bad for our health? (用or连接成选择疑问句）_ _ going

12、0;to bed early good _ bad for our health? D:补全对话A: Hi,Fangfang ,you were not at school yesterday . _1_B: Oh ,I had a headache and I had to ask for a sick leave(请病假)A: Sorry to hear that_2_B: Yes ,my mother took me to the hospital.The doctor checked me over and said I had a cold.A: _3_B: Yes,a little.The doctor told me to take the medicine three times a day and drink more water.A: _4_B: Yes ,much better.A: _5_B: You are rig