YuanLongping’ssunburntfaceandarmsandhisslim,strong...

问题详情：

      Yuan Longping’s sunburnt face and arms and his slim, strong body make him look like those of millions of Chinese farmers, ____________ he has struggled for the past five years. In order to keep people free of hunger, a ____________ (disturb) problem, at that time, he searched for a way ___________ (increase) rice harvest without expanding the area of the fields. His achievement made ____________ possible that just 7% of the farmland in China fed 22%of the world’s people. Using his hybrid rice, farmers are producing harvest __________ (two) as large as before.

1. __________ 2. ___________ 3. ___________4. ___________5. ___________

【回答】

1. for whom     2. disturbing    3. to increase      4 it      5. Twice

知识点：语法填空

题型：阅读填空