仁愛版八年級英語上Unit2Topic3MustweexercisetopreventthefluSectionA教學課件共20張PPT共20張PPT

1、must we exercise to prevent the flu?section awe must exercise often towe must exercise often to build us upbuild us up. .使身體強壯使身體強壯we must keep the air fresh all the time.一直一直crowdedwe should keep away from crowded places.擁擠的地方擁擠的地方a: must we keep away from crowded places to prevent the flu?b: yes,

2、we must.a: must we close the window to prevent the flu?b: no, we dont have to. / no, we neednt. we must keep the air fresh all the time.a: must we take some medicine to prevent the flu?b: no, we dont have to./ no, we neednt.a: must we exercise often to build us up?b: yes, we must.a: must we close th

3、e window to prevent the flu?b: no, we dont have to. / no, we neednt. we must keep the air fresh all the time.1a1. how many suggestions does dr.li give?2. must we go to see a doctor at once when we have the flu? - four. -yes, we must.a: must we . to prevent the flu?b: yes, we must. no, we dont have t

4、o. / no, we neednt. keep away fromcrowded places exercise oftentake some medicinekeep the air fresh all the time1234choose one of the pictures to make a dialog.1. exercise often2. keep the air fresh3. go to bed early4. wash hands and change clothes often5. keep our rooms clean6. drink enough water7.

5、 take some medicine8. keep away from crowded places1. may i ask you some questions, dr. li? sure, go ahead.2. what should we do to prevent it.5. must we go to see a doctor at once when we have the flu?3. first.second. third.finally. 4. we should exercise often to build us up.6. well take your advice

6、.prevent sth.預防某事預防某事同意別人的請求同意別人的請求build sb. up使某人強壯使某人強壯否定回答不能用否定回答不能用 mustnt take ones advice采納某人的建議采納某人的建議give sb. advice 給某人建議給某人建議we should exercise often to build us up.first, second, third, we should wash our hands and change our clothes often.finally, we should keep away from crowded places.

7、first, second, we should keep our rooms clean and the air fresh all the time.third, dr. lis advice 4 people are in a group. discuss(討論討論) in groups and write down some advice, using should/shouldnt, had better(not) and must/mustnt. then group leaders give us a report(匯報匯報).1.new words and phrases: p

8、revent, build sb. up, all the time, crowded, journalist, question, finally, go ahead2. sentence structure:a: must we.?b: yes, we must. no, we dont have to. / no, we neednt.3.we know how to prevent the flu.一、單項選擇。一、單項選擇。1. must we keep the windows open all the time?1. must we keep the windows open al

9、l the time? no, we_ . no, we_ .a. mustnta. mustntb. shouldntb. shouldnt c. neednt c. neednt2. i do exercise every day to_ 2. i do exercise every day to_ a. build up mea. build up meb. build me upb. build me upc. build me downc. build me down3. may i ask you some questions, dr. wang?3. may i ask you

10、some questions, dr. wang?_a. youre welcome. b. sure, go ahead. c. yes, you must. a. youre welcome. b. sure, go ahead. c. yes, you must. 二、根據(jù)漢語提示補全句子二、根據(jù)漢語提示補全句子1. we must clean the classroom every day.1. we must clean the classroom every day.（同義句轉(zhuǎn)換）（同義句轉(zhuǎn)換）we must _ the classroom _ every day. we must _ the classroom _ every day. 2. must we smoke to help us relax?2. must we smoke to h