Unit4Astronomy

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Unit 4Astronomythe science of the starsProduced by Mr. LiuI．短语互译:

温故：从文中找出下列短语并写出它们的汉

语意思。

1）according to __________

2）cool down __________

3）be different from __________

4）depend on __________根据，按照冷却下来与…不同依赖，依靠Check the answersA competition of words and phrases. 词组闯关 B．知新：从文中找出与下列释义对应的英文。

1）及时；终于 ___________

2）阻止；禁止 ___________

3）下蛋 ___________

4）产生；分娩 ___________

5）轮到某人；接着 ___________II．将单词或短语与相对应的释义搭配起来。

in timeprevent …fromgive birth tolay eggsin one’s turn1) c 2) a 3) e 4) b 5)d

Check the answersA competition of words and phrases. 词组闯关Solar systemHow many planets are circling around the sun?8 planetsPlutoScientists now think Pluto is

too small to be called a planet.how our life began on the earth?Where do I come from?On which planet is there life?HOW LIFE BEGAN ON THE EARTH?ReadingTask 1Fast reading

1: Skim the text fast and match the main idea

to each paragraph.

2: Choose the best answers.Self –study 温馨提示：

1. 整体把握语篇结构，抓住主题段 及主题句；

2. 带着问题略读文章，快速捕捉有效信息。Task 2Careful reading

1. This text can mainly be divided into two stages.

2. Put the order of development of life int 内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。 nsave water purify airWe have only one Earth to live on,

Let’s try our best to save our Earth!Step 6 Homework:

Search the Internet for more

information of the development of life.

2. Read the passage carefully and

try to find out key points. Thank you![文章尾部最后300字内容到此结束,中间部分内容请查看底下的图片预览]

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