Question

【题目】阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或者使用括号中词语的正确形式填空。
From early age he was interested in plants. He (study) agriculture in college and as a young teacher he began experiments in crop breeding. He thought that the key to (feed) people was to have more rice and to produce it more quickly. He thought there was only one way do this-by crossing different species of rice plant, and then he could produce a new plant which could give a (high) yield than either of the original plants.

Answer 1

【答案】an；studied；feeding；to；higher
【解析】本文是一篇人物传记。主要讲述了袁隆平早期对于杂交水稻的想法。
（1）元音前的不定冠词a要改为an。故填an。
（2）本文通篇的时态在过去，所以动词应用过去式。故填studied。
（3）固定搭配the key to doing sth.意为做……的关键是。故填feeding。
（4）only one way to do sth.此处不定式表示目的。故填to。
（5）根据后面的than可知前面应用比较级形式。故填higher。