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1、. 课题: Unit4 Reading I主备:戴凤青 课型:新 授 区九年级英语备课组 班级 姓名 学号 【教学目的】1. 掌握下列词汇、词组和句型,并能纯熟朗读和运用。词汇:planet, polluted, rapid, increase, passenger, tasty, specially, compare, rapidly词组:at a/the speed of, in the form of, compare to/with, connect to/with, all over again句型:It is hoped that people could start all ov

2、er again. Here is what life there could be like.Our spacecraft are too slow to carry.The gravity on Mars is only about three-eighths of that on the Earth. Compared with life on the Earth, life on Mars would be better in some ways. Life on Mars would be interesting as well as challenging.2. 理解将来在另一个行

3、星上生活的环境。3. 培养阅读技巧,掌握文本内容,理解文本的框架和构造。【教学重难点】培养阅读技巧,掌握文本内容,理解文本的框架和构造。【教学手段】 PPT【教学过程】Step1. Pre-readingEnjoy a video and learn some new words and phrases with the help of pictures.Step2. While-reading1. Skimming: Read quickly and try to answer a question.2. Scanning: 1 Read Para 2-4 and find out what

4、 problems we will have.2 Read Para5-6 and find the advantages of living on Mars.3 Read the passage again and answer more questions. Part B34 Finish Part B1& Part B2, and then check the answers.Step3. Post-reading Do “T or “F questions.Step4. HomeworkFinish off the exercises.【课堂稳固】一、词汇运用。1. There

5、 are thousands of stars and _ in space. 行星2. He came here _ to get a grammar book. 专门的3. With the _ development of science and technology, our life is more and more convenient. 快速的4. More and more _ would like to take the underground instead of driving cars. 乘客5. Some actions must be taken to contro

6、l the _ of the population in the world. n'kris6. The _ environment has caused many problems to peoples health. pollute7. My father cooks very well. The food he cooks is as _ as that in the restaurant. taste8. With the _of science and technology, our lives have changed a lot. develop9. Life on Ma

7、rs would be interesting as well as _. challenge10.A space sleeping bag is usually fixed to the walls to prevent _. float 二、单项选择。 1. Which of the following word is pronounced pr'vent ?A. promiseB. preventC. provideD. present 2. The long journey by air was boring _ uncomfortable. Many students fel

8、t sick all the way.A. so good asB. as good asC. so well asD. as well as 3. -_the population of China now? -More than 1.4 billion.A. How many isB. How many areC. WhatsD. Whatre 4. Li Na is _ famous _ all the tennis fans in China know her.A. too; toB. enough; toC. as; asD. so; that 5. _ the developmen

9、t of economy, my hometown is becoming more and more beautiful.A. InB. OnC. ByD. With【课后稳固】一、词组翻译。请认真阅读课本P5255,翻译并背诵以下重要词组1. 到2100年_ 2. 变得越来越拥挤_3. 人口的快速增长_ 4. 运送大量乘客_5. 随着技术的开展_ 6. 以光的速度_7. 以药片的形式_ 8. 的八分之三_9. 阻止某物漂浮到空中_ 10. 与相比_11. 人口总数_12. 对有很大帮助_ 13. 被专门设计_ 14. 不仅具有挑战性而且很有趣_15. 有一台被连接在行星之间的网络上的电脑_

10、二、词汇运用。1. There is less air _ in town than in the city. pollute2. We should keep water from _ polluted. be3. By next week, we _ three places of interest. visit4. The world as we know is going to change _. rapid5. _ with when we were at school, children in primary school seem to&#

11、160;learn more interesting things. compare三、单项选择。 1. _ of the land in that district _ covered with trees and grass. A. Two-fifth; is B. Two-fifth; areC. Two-fifths; isD. Two-fifths; are 2. The weather is Beijing is much colder than _ in Shanghai.A. itB. thatC. thisD. those 3. We live

12、in a big hotel _ has many comfortable rooms in it.A. /B. whoC. whatD. which 4. It is said that _ the year of 2020, the population of the China will reach more than 1.5 billion. A. to B. onC. atD. by 5. If you dont wear special boots, you may _ into space while walking outside.A. float offB. take off

13、C. set off D. put off四、句子翻译。1. 如今我觉得自己可以开场新的生活,一切可以重新开场了。 Now I feel I can have a new life and start _ _ _.2. 火星上的重力大约只有地球上的八分之三。The gravity on Mars is only about _ _ _ on the Earth.3. 火星上的生活,不仅有挑战性,还很有趣。 Life on Mars would be _ _ _ _ _.4. 目前,我们的宇宙飞船太慢了,无法运送大批乘客去火星因为要花几个月时间。At present, our spacecraf

14、t are too slow to carry _ _ _ _ to Marsit would _ _.5. 随着技术的开展,到2100年乘坐以光速飞行的宇宙飞船,行程或许只要大约20分钟。With the _ of technology, _ the year 2100, the journey might only take about 20 minutes in spacecraft that travel _ _ _ _ light.五、阅读理解。During the past week, Beijing has been covered with thick smog that is

15、 forecast to stay until this weekend at least.The smog, covering 1.43 million square kilometers mainly in northern China, made the Beijing government give an orange alert - the second-highest warning - and ordered people not to leave their homes.A study in 2019 by researchers at Tsinghua University

16、said that there were more than 1,300 microbes可吸入颗粒 in the atmosphere over Beijing. Although most of them may do no harm to human health, the number still makes people worried.Zhuang Guoshun, director of the Center for Atmospheric Chemistry Study at Fudan University, said Beijing is covered by smog f

17、or an average of 60 percent of the year, while the number for Shanghai is 30 to 50 percent.However, research studies have found that higher air pollution levels do not exactly mean higher risks of early death or other health illnesses.One of the scientists' main attentions is the level of PM2.5

18、- floating matter of 2.5 microns 微米or smaller, which can go deep into the lungs肺 and even enter the blood.Guangzhou and Shanghai in the south of China have slightly higher relative risks to early death from the effects of PM2.5 than Xi'an and Beijing in the north, even though the levels of PM2.5 in the northern cities were nearly twice those in the south, according to a study published in September 2019, led by Pan Xiaochuan, a professor at Pe

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