仁爱科普版八年级上册Topic 3 Must we exercise to prevent the flu?评课ppt课件

这是一份仁爱科普版八年级上册Topic 3 Must we exercise to prevent the flu?评课ppt课件，共41页。PPT课件主要包含了学习目标，illnesses，感冒 ，Review， prevent，记者新闻工作者，阻止阻碍，journalist，finally，最后最终等内容，欢迎下载使用。
1. 能正确拼读并灵活运用下列单词及短语：jurnalist，questin，prevent，finally；g ahead，build sb. up，all the time，crwded places 。2. 能用must表劝告和需要的用法。3. 能用first，secnd，third，finally使语意表达连贯。4. 能从对话听力中听出获取主要信息。5. 能正确朗读课文对话，并与同伴合作探究。
have a cld
have a fever
have a cugh
have a headache
have a tthache
have a backache
have a stmachache
have the flu
开始做一直拥挤的地方使…身体强健
all the time
crwded places
build sb. up
keep away frm
Let’s remember (phrases) Present the phrases accrding t the fllwing pictures. (如果你知道下面这些图片的相关短语，请大声地说出来。）
change ur clthes
keep away frm crwded places 远离拥挤的地方
Keep the air fresh 保持空气清新
Open the windws 开窗
What shuld we d t prevent the illnesses?
We shuld d exercise t build us up.
Ask and answer
We had better eat mre fruit and vegetables.
We must pen the windws and keep the air fresh.
1. exercise ften (经常锻炼) 2. keep the air fresh（保持空气清新） 3. g t bed early （早睡） 4. wash hands and change clthes ften（勤洗手，勤换衣）
5. keep ur rms clean（保持房间整洁） 6. drink enugh water（喝足够多的水） 7. take sme medicine（吃药） 8. keep away frm crwded places（远离拥挤的地方） 9. ...
Flu is a serius illness, what shuld we d t prevent it？Listen t 1a and check Dr. Li’s advice.
 1.exercise ften 2.keep the air fresh 3.g t bed early 4.wash hands and change clthes ften
 5.keep ur rms clean 6.drink enugh water 7.take sme medicine 8.keep away frm crwded places
Watch the flash and write dwn Dr. Li’s advice.
First, ________________________________________________Secnd, ____________________________________________Third, _______________________________________________Finally, ______________________________________________
we shuld exercise ften t build us up.
we shuld keep ur rms clean and the air fresh all the time.
we shuld wash ur hands and change ur clthes ften.
we shuld keep away frm crwded places.
prevent [prɪ'vent]阻止、预防
1. prevent sth.预防某事2. prevent sb/sth (frm) ding sth.阻止某人、某物做某事 His parents tried t prevent him (frm) playing cmputer games.
keep away frm…远离….
1. keep away frm ding sth (drinking) sth (snakes)2.keep….away frm…. 让…远离….Please keep the children frm fire.
crwded是形容词,意思是“拥挤的” crwded trains (htels, rads, shps) 拥挤的火车(旅馆，道路，商店) crwd 1.作名词 “人群” Yu can d what yu want t d, but never fllw the crwd. 你想做什么就做什么,可别随大流。 2.作动词, “挤” 。 He tried t crwd int the train. 他尝试挤上火车
2. What shuld we d t prevent it.
5. Must we g t see a dctr at nce when we have the flu?
4. We shuld exercise ften t build us up.
6. We'll take yur advice.
prevent sth.预防某事
build sb. up使某人强壮
否定回答不能用 mustn’t
take ne’s advice采纳某人的建议give sb. advice 给某人建议
Must we g t see a dctr at nce when we have the flu ?肯定回答： Yes, we must.否定回答： N, we needn’t. / N, we dn’t have t.注：此处不能用 mustn’t (禁止；不准)回答 Eg: Must I finish my hmewrk nw ? N, yu needn’t. / N，yu dn’t have t.
A: Must we keep away frm crwded places t prevent the flu?B: Yes, we must.
A: Must we clse the windw t prevent the flu?B: N, we dn’t have t. / N, we needn’t. We must keep the air fresh all the time.
A: Must we take sme medicine t prevent the flu?
B: N, we dn’t have t./ N, we needn’t.
A: Must we ... t prevent the flu?B: Yes, we must. N, we dn’t have t. / N, we needn't.
keep away frmcrwded places
exercise ften
take sme medicine
keep the air fresh all the time
Chse ne f the pictures t make a dialg.
Make similar cnversatins after the example.
Example:A: Must we d exercise t prevent the flu?B: Yes, we must.A: Must we take sme medicine t prevent the flu?B: N, we dn’t have t. / N, we needn’t.
2. A. Listen t the passage and circle the symptms that yu hear.
headachebackache
tthachestmachache
sre thratsre eyes
B. Listen again and check the advice yu hear.
drink lts f biled water take sme cld pills lie dwn and take a gd rest brush yur teeth twice a day
wrk n the Internet t lng g t crwded places play sprts t much eat ht fd
3. Lk at the pictures and write dwn the advice n hw t prevent the flu, using shuld, had better r must.
We shuld exerciseften.
We must g t seea dctr at nce when we have the flu.
We had better keep away frm crwded places.
We shuld take a shwer ften.
We shuld keepthe air fresh.
We shuld change ur clthes ften.
单项选择。( ) 1) --- Must I d my hmewrk at nce, mm? --- N, yu ____. A. must nt B. may nt C. needn’t D. haven’t( ) 2) Reading _________ is gd fr yu. A. t much B. much t C. t many D. many t( ) 3) Yu’d better ____ late fr class. A. nt areB. are C. nt beD. nt is( ) 4) What shuld we d ______ the children? A. help B. helping 　 C. helps D. t help( ) 5) As a student, we shuld keep ur schl ______. A. cleaned B. clean C. cleaning D. t clean
Drink a lt f water.
Wash hands ften.
Give mre advice t prevent the flu
Eat healthy fd.
Dn’t g t crwded places.
D mre exercise.
Open the windws.
选词填空，并注意其正确形式。questin，prevent，build，final，crwd 1) The rad is . He must drive his car slwly.2) We shuld drink lts f biled water t ___ the flu.3) Can yu answer my , Lucy?4) Jane plays sprts ften t her up.5) , yu shuld have a gd rest.
句型转换1. Yu shuld drink mre water. (改为否定问) Yu ________ ________ mre water. 2. We shuld eat healthy fd t prevent the flu. (就划线部分提问)________ ________ we ________ t prevent the flu?3. Must we clean the flr every day? （作否定回答） N，we _______ _______ _______.4. Yu’d better lie dwn nw.（改为否定句） Yu’d better _______ _______ dwn nw.5. We must pen the windws every day.（同义句转换） We must _______ the windws _______ every day.
选择方框中的句子完成对话，其中有两项多余。A: Yu lk pale, Dr. Li. _________B: I nly feel a little tired.A: It lks mre serius than being tired. _________B: N, thanks. Nthing serius, I think.A: __________ But yu have wrked fr thirty-six hurs withut having a rest.B: I’m a dctr. _______A: __________
1.We knw hw t prevent the can use must/had better/ shuld t give advice.
写一篇小短文来说明如何预防流感。背诵1a。