2019-2020年高一英語 Book3 Unit4 Astronomy學(xué)案3 人教新目標(biāo).doc
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2019-2020年高一英語 Book3 Unit4 Astronomy學(xué)案3 人教新目標(biāo) 教師寄語:Never put off what you can do today until tomorrow. 今日事今日畢! How life began on the earth ⅠFast reading ?。甒hat is the passage about? ⅱ.Put the order of development of life into a time line. A. Insects and amphibians appeared. B. The earth became a solid ball. C. Reptiles appeared. D. The earth was a cloud of dust. E. Shellfish and other fish appeared F. Dinosaurs appeared. G. Small plants grew on the water. H. Plants began to grow on dry land. I. Water appeared on the earth. J. Mammals (including humans )appeared. The right order: ⅲMultiple-choice 1.Why was the earth different from other planets? A It produced a lot of heat. B.The water remained. C Water disappeared. D.It was the oldest planet. 2.Why was life able to develop on the earth but not on other planets? A The earth had a solid shape. B. The earth did not have harmful gases in its atmosphere. C The water stayed on the earth but not on other planets. D. The earth was not too hot and not too cold. 3.Why did the plants grow before animals came? A Animals needed plants to protect them from the sun. B Plants provided oxygen for animals to breathe. C Animals could hide from hunters in forest. D It was easier for plants to grow. 4.What problem is caused by human beings? A They exist everywhere on the earth. B They cause global warming. C They find new methods of growing crops. D They enjoy hunting and fishing. Ⅱ.Close reading ⅰRead the text and match the main idea of each paragraph. Paragraph 1: a. The importance of water for life Paragraph 2: b. The development of plants and animals on the earth Paragraph 3: c. The formation of the earth Paragraph 4: d. A widely accepted theory about the formation of the universe Paragraph 5: e. The arrival of humans and their impact on the earth ⅱ.Answer the questions 1. What was there on the earth before life could begin? 2. Why do scientists think there has never been life on the moon? 3. Why did animals first appear in the seas? 4. Why did green plants help life to develop? 5. Why were mammals different from other animals? 6. How did water e into being on the earth? ⅢTranslate phrases: 1.一個廣為接受的理論______________________2.向四面八方_______________ 3.及時,最后__________4.對….是基本的__________________ 5.水的長期存在_________________6.連鎖反應(yīng)___________________ 7.各種各樣的魚_______________8.第一次_______________ 9.產(chǎn)卵__________10.產(chǎn)生,分娩________________ 11.輪到某人,接著________________________ 12.阻止,制止__________________13.由于________________________ 14未來數(shù)百年______________________15取決于_________________________ Ⅳ.Important sentences 1. What it was to bee was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe. _____________________________________________________________________ 2. The earth became so violent that it was not clear whether the shape would last or not. _____________________________________________________________________ 3.It exploded loudly with fire and rock, which were in time to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, which were to make the earth’ s atmosphere. _______________________________________________________________________________ 4. What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. _____________________________________________________________________ 5. They multiplied and filled the oceans and seas with oxygen, which encouraged the later development of early shellfish and all sorts of fish. _____________________________________________________________________ __________________________________________________ Ⅴ.Fill in the blank As the result of "Big Bang", the violent earth slowly settled into a globe 1 (move) around the sun. The gasses which were to make the earths 2 (大氣層)came into being from the explosion of the dust ball, with water 3 (follow) them while the earth cooled down. It allowed the beginning for life. Many millions of years 4 , the first 5 (極度的) small plants began to appear 6 the surface of the water, 7 (繁殖) and filling the sea and oceans, which encouraged the later development of early shellfish and all sorts of fish. As time passed, green plants taking carbon dioxide and producing 8 (氧氣)came to land and grew into forest. Later the chains of lives continued, such as insects, amphibians, reptiles, dinosaurs and mammals, the typical of 9 is human being. They dont only do 10 to the earth but cause damage to it. A visit to the moon Ⅰ.Fast reading 1. The passage mainly talks about ____. A. what the moon is B. my visit to the moon C. the differences between the earth and the moon D. LiYanping, my friend, who is an astronaut 2. When we were going up, we felt ____. A. we were pressed against our seats B. we were lighter than we are on the earth C. as if we were flying D. the rocket was shaking strongly 3. Why can’t the spaceship fall back to the earth? A. Because the moon’s gravity pulls it up. B. Because it is too far away from the earth. C. Because the earth has no gravity. D. Because the spaceship is not very heavy.- 1.請仔細(xì)閱讀文檔,確保文檔完整性,對于不預(yù)覽、不比對內(nèi)容而直接下載帶來的問題本站不予受理。
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