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Step3. 检查预习案
a．Take out the paper and check the answers.翻译句子。
1．Exercise can keep our brains young.
__________________________________________
2.How can we stay healthy?
__________________________________
3.There are many ways.
______________________________.
b．完成Let’s Do It ③ （圈出正确的单词完成句子）.
Step4.Teaching the new phrases.
a. Read the phrases
1.stay healthy/strong 保持健康/强壮
2.work faster 工作的更快
3.thinking skills 思考能力
4.keep our brains young 保持我们的大脑年轻
5.help sb. do sth. 帮助某人做某事
b. check the phrases.
Step5.课文探究
a. Listen to the tape and finish “Let’s do it No 1.”
b. Read the text and finish “Let’s do it No 2.”
Step6.知识点探究
a. keep + n +adj
eg: keep our classroom clean.
b. keep doing sth.
eg: We should keep writing diaries.
c. 动名词 + 单数
eg: Running helps us remember information.
d. Doing “have a try”
1.Fruit can ___________________. 水果可使我们保持健康。
2.Don’t keep them _________ so long.别让他们等太久。