4.nickname n.绰号
5.species n.(动物或植物的)种
6.yield n.产量
7.publish vt.出版
8.breakthrough n.突破
9.support vt.支持
10.convert vt.改变;转换
11.replace vt.取代;以......代替
12.educate vt.教育→education n.教育→educator n.教育工作者;教师
13.original adj.原来的;最初的→origin n.起源
14.agriculture n.农业→agricultural adj.农业的
15.production n.产量→produce v.生产→producer n.生产者
16.export vt.出口→import vt.进口(反义词)
17.quantity n.数量→quality n.质量
Ⅱ.核心短语
1.bring__up 培养;养育
2.as__a__result__of 由于......的结果
3.the key to... ......的关键
4.bring in 引入;挣得
Ⅲ.经典句式
1.He thought that the__key__to__feeding people was to__have more rice and to__produce it more quickly.
他认为,解决人们吃饭问题的关键在于拥有更多的稻米,并且能更快地生产出来。
2.He thought there was only one way to__do__this-by crossing different species of rice plant,and then he could produce a new plant which could give a higher yield than either of the original plants.
他认为,唯一的办法就是使不同种类的水稻杂交,这样才能培育出比原先任何一种水稻产量都要高的新品种。