2012-2013英语必修4人教版新课标unit 2
学案（语言点、语法）（精品） language points 1.dr yuan grows what is called super hybrid rice.袁博士种植了被人称作超级杂交水稻的稻谷。 what=the thing(s) that this special strain of rice makes it possible to produce one-third more of the crop in the same fields.这种特殊的稻种使得同样的田地多收获三分之一的产量。 it 在句中作形式宾语,真正的宾语为to produce...,结构为:动词（make,feel,think,regard...）+it +adj.+ to do。
