Great scientists

book4 module4  great sientists
learning paper2    itensive reading
learning aims: to learn about yuan longping and his achievements
importance and difficulty: the passive voice and “by+doing”
part one: read the passage on page32 and do the following exercises.
1. match the main ideas with each paragraph.
paragraph 1        as a boy he was called “the student
who asked questions”
paragraph 2        as a young teacher, he began experiments
in crop breeding
paragraph 3        yuan longping is a leading figure in
the rice growing wold.
paragraph 4         the yield of the ew hybrid rice is much greater than that of other types of rice grown in pakistan.
paragraph 5        he discovered a new type of rice.
paragraph 6        his discoveries have brought in great profit.
2.  activity 2   true or false   on page 32
3.  activity 3 and 4            on page 33
4.  put the sentences in order of time when they happened.
1) the results of his experiments were published in 1966.
2) chinese rice production rose by 47.5%.
3) he study agriculture in college.
4) he began experiments in crop breeding.
5) his rice was exported to other countries.
5. discussion:
1. do you think the title is a best one? can you think of a better title?

2. what do you think has made yuan longping become 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.