Ⅲ.重点短语探究 1.do a 做调查 2.in 成对 3.one 互相 4.write 写下 5.be similar 与……相似 6.in (for)作为对……的报答 7. sb与某人打招呼 8.be based 以……为基础 9.make a 提建议 10. a conclusion下结论
survey
pair
another
down
to
return
greet
on
suggestion
draw