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初三教案 第657期(2) 发布时间:2021-04-06 点这里下载本页内容 (52.0 KB) TEENS 初三20-21学年第39期总第657期教案王珊
Loudness in the air (P6)
I. Warm up 1. What’s the loudest sound you’ve ever heard?
2. How do you feel when you hear loud sounds?
3. Do you know how loud sounds are produced?
II. Reading Look at the title and predict. What’s this story going to be about?
Part IRead Paragraph 1 and answer the questions. 1. What word do we often use to describe loud sounds?
2. What is a “sonic boom”?
Part II Read Paragraph 2 and choose the correct answer. 3. What created a sonic boom over parts of the UK and France on March 20? A. strong wind. B. An airplane. C. Scientists. D. A meteor. D
Part III Read Paragraphs 3-4 and choose the correct answer. 4. Why is water mentioned in the third paragraph? A. To describe what a sound wave looks like. B. To help explain how a sonic boom happens. C. To prove that air can be pushed like water. D. To explain how to tell whether an object is moving fast. B
Read Paragraphs 3-4 and answer the question.
5. How exactly are sonic booms made?
Part IV Read Paragraph 5 and answer the question.
6. What can make sonic booms?
Read Paragraphs 5-6 and answer the question.
7. How can an aircraft create sonic booms? A. By flying very high in the sky. B. By flying through a thick cloud. C. By flying over a tall building. D. By flying faster than the speed of sound. D
Read Paragraph 6 and answer the question.
8. What problems can a strong sonic boom cause?
III. Post-reading Sonic booms can hurt us. What would you do to protect people from sonic booms?
IV. Word in use Complete the sentences using the given words and phrases.
so…that according to think of cause damage to disturb
1. ________ the forecast, it should be clear. 2. If you get up early, try not to ________ everyone else. 3. We need to ______ ways to make money. 4. Some people worry that the rapid development of tourism might _________ the environment. 5. He worked ____ hard _____ he fell asleep as soon as he got home. According to disturb think of cause damage to so … that
Language Points It’s also part of the term “sonic boom (音爆)”, which is something that happens when air is pushed so strongly and quickly that it creates a loud noise.
长难句辨析: which 在这里引导的是非限制性定语从句,指代的内容是前面所讲的“sonic boom” 。 |
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