约1000字。

　　外研版高中英语Boole 4 Great Scientists （Reading and Vocabulary）
　　Reading:   Passage The Student Who Asestions on P. 32
　　Vocabulary: Learn the new words from the reading passages and revise some words to describe great scientists.
　　Aims
　　1. Get the students to know the good deeds about Yuan Longping.
　　2. Retell Yuan Longping’s story told in the passage.
　　3. Practise processing information.
　　4. Specific reading skills.
　　Vocabulary: Learn to use the words to describe achievement about a scientist.
　　Attitude development: Form an idea that it is necessary to learn from the scientist and devote to the country’s construction.
　　Possible difficulties
　　1) The structure of the following sentences and the meaning of the underlined part in them:
　　a).He thought that the key to feeding people was to have more rice and to produce it more quickly.
　　b). He thought there was only one way to do this—by crossing different species of rice plant, and then he could produce a new plant which could give a higher yield than either of the original plants.
　　c).50 thousand square kilometers of rice fields were converted to growing vegetables and other cash crops.
　　Procedures
　　Step 1  Preparation
　　I. Check if the students have got the information about Yuan Longping signed as homework last period.
　　II. Ask the students to communicate with each other in pairs about the information they have got.
　　Guide: Some students may not fulfill the task b