/ one's power 为某人力所能及

　　 / one's power 力所不能及

　　 /seize power 当权，执政

　　have the power sth. 有做某事的能力

　　Ⅲ.重点句式

　　1．He thought that the key to feeding people was (拥有更多的大米，并且能更快地生产出来)．

　　2．He thought there was (做这件事的唯一方法)-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.

　　3. The tubes were attached to a long stick which helped (使火箭移动)in a straight direction.

　　4. Soon the Mongols learned (怎样制造)rockets themselves and it is possible that they introduced them to Europe.

　　【答案】　1.to have more rice and to produce it more quickly　2.only one way to do this　3.keep the rocket moving　4.how to make

　　Ⅳ.回顾话题

　　用本模块词汇或句式完成写作任务

　　对每一个人来说，很显然什么也代替不了母亲的爱和照顾。他的母亲，有许多优秀品质，在他的教育上花了大量的金钱。从山东大学毕业后不久他就成为他领域里的杰出人物。上周他的第一本书出版了。简言之，是因为母亲的支持他才获得成功的。