2017届高考英语一轮复习指导课件：必修4 unit 2（新人教版）_高考复习指南

2017届高考英语一轮复习指导课件：必修4 unit 2（新人教版）

　　Dr Yuan Longping grows ________ super hybrid rice. 袁隆平博士种植的是被称为“超级杂交水稻”的稻种。 (what引导的名词性从句) 3.

　　This special strain of rice ________ 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成为可能。 (it作形式宾语) 4.

　　Dr Yuan searched for a way ________ rice harvests ________ the area of the fields. 袁博士要在不增加土地面积的基础上寻求增收稻谷的途径。(非谓语动词) 5.

　　Using his hybrid rice, farmers are producing harvests ________ before. 用他的杂交水稻种子，农民们种出的粮食比以前多了一倍。(倍数的表达法) Key: 1. for whom　2. what is called　3. makes it possible　4.

　　to increase; without expanding 5. twice as large as

　　课文回顾 Key: 1. finding　2. the　3. parts　4. to increase　5. could　6. however　7. that 8. developing　9. hunger　10. as

　　Yuan Longping was born in 1930. Since he graduated from Southwest Agricultural College in 1953, he has devoted his life to __1__ (find) ways to grow more and more rice. As a young man, he saw __2__ great need for increasing the rice output. At that time hunger was a serious problem in many __3__ (part) of the countryside. Yuan searched for a way __4__ (increase) rice harvests without expanding the areas of the fields. In 1950, Chinese farmers __5__ produce about 56 million tons of rice. In a recent harvest, __6__， nearly 200 million tons of rice were produced. These increased harvests mean