高二英語unit 11 Scientific achievement 教案
alexander g bell/bel / 亞歷山大•貝爾（美國發明家）
ray tomlinson/ / 雷• 湯姆林森（美國計算機工程師）
constitution / / n.憲法
:aeureka /ju'ri:k/ interj. 我找到了！
step ii warming up
ask some ss to tell us what scientific achievements they think have changed the world?
(teacher writes all the scientific achievements mentioned above on the blackboard and says the following. )
step iii listening
the listening material contains two parts. you are going to hear some words said by some famous people at the time when they achieved success.
look at the chart in exer¬cise 1 at the top of page 2 quickly. then play the first part of the tape for the ss to complete it. after that, check their answers. (after checking the answers to exer¬cise 1, teacher goes on to deal with exercise 2)
now, listen to part 2 and complete the sentences in exercise 2, if necessary, play it twice for ss to finish or check their answers.
at last, teacher deals with exercise 3.
step iv speaking
here are four scientists who want to get money to complete their project. each scientist will have to introduce his or her project and explain why it is the most important. now, the teacher put the students in groups of five to have a discussion. four group members represent scien¬tists tone member will listen to all the scientists and ask questions. at the end of the discussion, he or she must decide who will get the money and why..
(teacher and the students go through the expressions. after that, teacher puts the students in groups of five and gets them to prepare for a few mi¬nutes. at the end, teacher asks one or two groups to report their work to the rest of the class. )
a sample dialogue;
organizer: now, everybody is here. who'd like to be the first to make a statement on this project? dr wilson: i and my team are working on a cure for aids. as you know, the number of people
infected with aids is keeping increasing at an astonishing speed. some of them are facing death. as a result, we have to find a way to solve this prob¬lem as soon as possible. but, right now, the lack of money is a big problem. if we got enough money, we would com¬plete the first stage of our pro¬ject in the near future.