m7 unit 2 fit for life
two life-saving medicines
(language points)
after this class, the students will be able to:
1. consolidate the gist of the article;
2. learn some phrases such as focus on, open up, take place, etc;
3. learn some words such as trial, thin(vt), note, etc.
step 1 review
listen to the tape and follow it.
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