Greatscientists

详细内容

e a great scientist?
What can we learn from him?

Part two: language points
Ⅰ.Fill the blanks with the given verbs, paying attention to the Voice, and then translate the sentences.
1.Rice ______________(grow) in many other Asian countries.
2.Yuan longping was born and _______________(bring up ) in China.
3. As a boy he ______________(educate) in many schools and ____________(give) the nickname, “the student who asks questions”.
4. The resultsof his experiments ___________(publish) in China in 1966.
5. Finally, a naturally sterile male rice plant ____________(discover).
6. Researchers ____________________(bring in) from all over China to develop the new system. The research ____________(support) by the government.
7. 50000 square kilometres of rice fields ____________(convert) to growing vegetables and other cash crops.
8. Yuan longping’s rice _____________(export) to other countries.
9. In Pakistan rice _______________(grow) in many parts of the country.
10. The new hybrid rice _________________(develop) by Yuan Longping High-tech Agricultural pany of China.
List the forms of passive voice of different tenses.
一般现在时：_______________ 一般过去时：____________
一般将来时：_______________ 现在完成时：______________
过去完成时：_______________ 现在进行时:________________
过去进行时:_________________
Ⅱ.He thought there was only one way to do this----by crossing different species of rice plant. (if he crossed different species of rice plant)
___________________________________________________________
You can get a job if you study hard. (用by改写)

Researchers learn things when they carry out experiments.(用by改写)

You will bee a better player if you practise often. (用by改写)

1.在当前的世界，水稻是主要食粮。中国是世界上最大的水稻产地。
(staple ;producer)

2.在水稻种植界，中国科学家袁隆平是一位重要人物( world; leading)

3.作为一个年轻的教师，他开始了作物育种的实验。(experiment)

4.首先，他对不同种类的水稻进行实验。接着，他开始寻找一种特殊的稻种。(experiment ; search)

5.由于他的发现，中国的水稻产量在20世纪90年代增长了百分之四十七点五。(as a result of; rise by)

6.它的产量远高于巴基斯坦其他种类的水稻。(yield)