《I'm excited about the things that will be discovered in the future》SectionC PPT
第一部分內(nèi)容：Read and understand.
Look at the pictures and predict which statements are true about Mars.
Then read the passage quickly and check the answers.
_____ 1. Mars looks like a red ball.
_____ 2. The temperature on Mars is very high.
_____ 3. Mars is much larger than the earth.
_____ 4. Mars is too far away for us to reach.
Listen to 1a and answer the questions.
(1) What does Mars look like?
It looks like a red and orange ball.
(2) How far is Mars from the sun?
It’s about 228 million kilometers away from the sun.
(3) What’s the temperature on Mars?
It is between -138℃and 28℃.
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《I'm excited about the things that will be discovered in the future》PPT，第二部分內(nèi)容：Language Points
1. Its diameter is 53% as wide as that of the
earth.它的直徑是地球直徑的53%。
2. The gravity on the surface of Mars is about
two-fifths as strong as it is on earth.火星表面
的引力大約是地球引力的五分之二。
倍數(shù)(分?jǐn)?shù))+ as +adj.+as ……的幾倍
3. Mars goes around the sun at a distance of
about 228 million kilometers.火星在距太陽約
228 000 000千米處環(huán)繞著太陽轉(zhuǎn)。
at a distance of …有 ……距離
4. Scientists are still searching for more information about Mars.科學(xué)家們正在對(duì)火星進(jìn)行更多的探索。
search for :表示沒有“被搜索的對(duì)象” 只有“尋找的目標(biāo)” 。如：
All night they searched for the lost boy.
search… for…表示搜查某一對(duì)象的目的是要找到什么, 強(qiáng)調(diào)有具體的目標(biāo)。如：
She searched many shops for Jim’s gift.
search 意為“在……搜查”或“搜身”, 是個(gè)及物動(dòng)詞，后面直接跟“被搜查的對(duì)象”。如：
Mr.Smith searched every room in the house.
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《I'm excited about the things that will be discovered in the future》PPT，第三部分內(nèi)容：Key words
Mars, fourth, be named after, diameter, as wide as, at a distance of, tell, because, bright red, ball, storms, gravity, temperature, oxygen, eight months, closest to, searching for
Exercise
Mars, the _______ planet of the solar system, goes around the sun at a _________ of about 228 million kilometers. Its _______ is 53% as wide as that of the earth. It looks like a _____ and _______ball. It’s very beautiful. But during ______ and _______, strong __________can cover the whole__________of Mars. The gravity on the surface of it is about ________ as________as it is on earth.
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《I'm excited about the things that will be discovered in the future》PPT，第四部分內(nèi)容：Summary
We learn:
1. Some words: storm, weigh, journey
2. Some phrases: name after, as …as,
at a distance of, search for
3. Some sentences:
(1) Its diameter is 53% as wide as that of the earth.
(2) It has been two days since we landed on Mars.
We can :
1. Talk about something more about Mars.
2. Write back an e-mail.
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《I'm excited about the things that will be discovered in the future》PPT，第五部分內(nèi)容：Assignment
Read 1a.
Memorize the useful expressions and key sentences which we learned today.
Finish Section C in your workbook.
Review Sections A-C.
關(guān)鍵詞：仁愛版九年級(jí)上冊(cè)英語PPT課件免費(fèi)下載，《I'm excited about the things that will be discovered in the future》PPT下載，.PPT格式；
