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Each group try to get more magic balls(魔法球),then you can fight against the flu viruses（流感病毒）,you'll be heroes(英雄)to prevent the flu.(每个组尽力得到更多的魔法球，就可以对抗流感病毒，成为抗击流感小英雄。。)
vedio
have a good sleep
drink enough water
wash our hands often
wear masks
do exercise
have healthy food
We should/had better/must..
Doing exercise can build us up.
使身体强壮
It’s a crowded place.
We should keep away from the crowed places.
question 问题
-Must we go to see a doctor when we have the flu?
-Yes,we must.
-Must we take some medicine to prevent the flu?
-No,we needn’t./No,we don’t have to.
What should we do to prevent the flu?
Let’s check Dr.Li’s advice.
journalist
Listen to 1a and check Dr. Li’s advice.
录音1a-P43
? 1.exercise often
? 2.keep the air fresh
? 3.go to bed early
? 4.wash hands and change clothes often
? 5.keep our rooms clean
? 6.drink enough water
? 7.take some medicine