高中英语 Unit20 Lesson 1《Futurology》说课稿 北师大版选修7

18. in order to

19. due to adv.由于, 应归于 20. keep doing sth

21.in conclusion adv.最后, 总之 22.as long as只要, 在...的时候 23.no longer adv.不再

step 5 Summary and listen to a song step 6 homework exercise 1 in page 74

Unit 20 New Frontiers Communication Workshop 状语从句 1．时间状语从句

引导词：when, while, as, before, after, since, as soon as, till, until, once, whenever, no sooner?than, hardly?when, the moment, every time, by the time.

e.g I was thin when I was a child. I like watching TV while he like reading. As I get older, I get more optimistic. John sings as he works Before they got to the bus stop, the bus had gone. You may stay here until the rain stops.

He didn’t go to bed until he had finished his work. I have written home but once since I came here. It’s two years since we arrived here. As soon as he arrives, I’ll tell him.

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Once you study hard, you’ll pass the exam. The moment he comes, I recognized him.

No sooner had he reached home than it began to rain. Hardly had I entered the room when the phone rang. 2．地点状语从句 引导词：where, wherever

e.g. We must camp where we can get water. I will follow you wherever you go. 3．原因状语从句

引导词：because, since, as, now that, seeing that, for e.g. I do it because I want to do it. Since I must die I must do it.

As he wasn't ready in time, we went without him. Now that everybody is here, let’s begin. He must be ill, for he is absent today. 4．目的状语从句

引导词：so that, so, in order that, in case e.g He studied hard so that he might succeed. Take your raincoat in case it rains. Betty got up early in order that she might catch the train. 5．结果状语从句

引导词：so, so that, so?.that?,such?that..

e.g The train was so full that I could hardly turn around. She is such a nice girl that we all like her.

6．条件状语从句

引导词：if, unless, so long as, as long as, if only

e.g. If it is fine next Sunday, we shall have a spring outing. If I had enough money, I would buy the car.

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You will not pass the exam unless you study hard. I will go there so long as he invites me. 7．让步状语从句

though,although,evenif,as,eventhough,whoever,whatever,whichever,whenever, wherever, however, no matter who, whether, while. e.g Although the TV set is very dear, I still bought it.

Young as he is ,he can read and write in several foreign languages Child as he is ,he knows a lot.

We’ll make a trip even if the weather is bad. Whether you believe it or not, it is true. No matter what happened, he shouldn’t mind.

8．方式状语从句

引导词：as, just as?so, as if, as though e.g. Do as you like.

Just as water is to fish, so air is to man. The child talks as if he were a man. 9．比较状语从句 引导词：as?as?,not as/so?as?,the more?the more, than e.g She studies harder than I . He looks younger than he is . He is as old as I. The more you read, the more knowledge you can get. Unit 20 New Frontiers

Warm-up---教案

Teaching Aims:

Draw students attention to the unit objection. Practice students expressing ability.

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Resources used: computer Teaching procedures: Warm up: Step 1. Exercise 1:

T: Today we study unit 20 New Frontiers, what’s the meaning of the title? S:

T: Scientists are working hard to develop advanced scientific technology to make our life more convenient. Can name some branches of scientific? S:

T: Now let’s read these words together.

Biology, physics, Information technology, astronomy After reading these words, the teacher ask students to match the branches of science with the following objects ( show some slides) Step2 Exercise2

T: In fact many things in life are connected with the four branches of science. Can you think of some words connecting with them? Give students some time to think over the question. Students will say out some words. In the way will the student be interested in class. Then ask the students to do the exercise 2 Step3 Exercise3 1.Listen to four extracts twice and identify these different programmes. 2. Listen to four extracts again and do the exercise 1. Why didn’t the shuttle take off ? A. Because of the bad weather.

B. There was something wrong with solar panels . C. The shuttle suffered slight damage last week.

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