Great scientists
9. in pakistan rice _______________(grow) in many parts of the country.
10. the new hybrid rice _________________(develop) by yuan longping high-tech agricultural company of china.
list the forms of passive voice of different tenses.
一般現在時:_______________ 一般過去時:____________
一般將來時:_______________ 現在完成時:______________
過去完成時:_______________ 現在進行時:________________
過去進行時:_________________
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改寫)
researchers learn things when they carry out experiments.(用by改寫)
you will become a better player if you practise often. (用by改寫)
1. 在當前的世界,水稻是主要食糧。中國是世界上最大的水稻產地。
(staple ;producer)
2. 在水稻種植界,中國科學家袁隆平是一位重要人物( world; leading)
3. 作為一個年輕的教師,他開始了作物育種的實驗。(experiment)
4. 首先,他對不同種類的水稻進行實驗。接著,他開始尋找一種特殊的稻種。(experiment ; search)
5. 由于他的發現,中國的水稻產量在20世紀90年代增長了百分之四十七點五。(as a result of; rise by)
6. 它的產量遠高于巴基斯坦其他種類的水稻。(yield)