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1、Astronomy: the science of the starsNew Words in This Unitatmosphere n. 大气层大气层; 气氛气氛 tense atmosphere 紧张的气氛紧张的气氛violent adj. 猛烈的猛烈的; (语言、行动等）语言、行动等）激烈的激烈的;强暴的强暴的violence n. 猛烈；暴力，暴行猛烈；暴力，暴行This dispute grew more violent.solid liquid gasexplode vt. vi. (使）爆炸；爆发使）爆炸；爆发He exploded with/in anger. 大发脾气大发脾
2、气explosion n. 爆炸；爆发爆炸；爆发New Words in This Unitin time 及时；及时； 总有一天，总有一天，迟早迟早sooner or later 终于终于eventuallydissolve vt. vi. 溶解；解散溶解；解散e.g. Sugar can dissolve easily in water. dissolve the meeting harmful adj. 有害的；伤害的有害的；伤害的harm v. n. 损害；伤害；危害损害；伤害；危害New Words in This Unitspread vt. vi. (spread; spread
3、) 伸展；展开；伸展；展开； （疾病、消息等）（疾病、消息等）传播传播e.g. The news spread like wildfire. the spread of (a disease, education) 的普及的普及/传播传播/蔓延蔓延prevent (from)阻止；制止阻止；制止 stop sb. (from) doing sth.keep sb. from doing sth.e.g. Nothing can prevent him (from) winning this game.New Words in This Unitdepend vi.依靠；依赖依靠；依赖 depe
4、ndent adj. dependence n. independent adj. independence n.独立独立depend on/upon 依靠；依赖；取决于依靠；依赖；取决于exist vi. 存在；生存存在；生存existence Uglobal adj. 全球性的；全世界的全球性的；全世界的globe n. 球（状）球（状） the globe 地球，世界地球，世界New Words in This Unitpresence n. 出席；到场；存在出席；到场；存在present adj.在场的；目前的在场的；目前的 N 礼物礼物disappoint vt. 使失望使失望dis
5、appointment n. disappointed adj. 失望的失望的be disappointed at/about sth. 对某事感到失望对某事感到失望be disappointed with sb. 对某人感到失望对某人感到失望be disappointed to do sth. 感到失望地做某事感到失望地做某事New Words in This Unitcheer vt. vi. (使）高兴使）高兴;（对）欢呼（对）欢呼 n.愉快；欢呼愉快；欢呼cheer up 感到高兴；感到振奋感到高兴；感到振奋e.g. He cheered up when he passed this
6、exam.cheerful adj.mass n.团；块；质量；大量；体积团；块；质量；大量；体积large masses of cloudsa mass of books/informationforce u力量；暴力力量；暴力 复复军队军队 vt.强制；逼迫强制；逼迫by force 靠武力；强行靠武力；强行New Words in This Unitnow that 既然既然sincee.g. Now that/Since everyone is here, we can start now.get the hang of 熟悉；掌握；理解熟悉；掌握；理解e.g. Riding bicy
7、cle seems difficult at first, but youll soon get the hang of it.break out （战争、火灾、疾病等）（战争、火灾、疾病等）突发；爆发突发；爆发Warming Up1.Can you tell us what subjects are learnt in high school?Chinese, Mathematics, English,Physics, Chemistry, Biology,Politics, History, Geography, etc2.Which are science subjects? Physi
8、cs, Chemistry, Biology, Geology and Mathematics.3.What is frontier science? Can you give us some examples? Frontier science is a sort of subjects based on two or more subjects. For example, Medicine is based on biology and chemistry. Biochemistry is based on biology and chemistry. Geophysics is base
9、d on geography and physics. Astronomy is based on mathematics and physics.Lead-in 1. What is astronomy? Astronomy is the scientific study of the sun, moon, stars, planets, comets, etc. It uses knowledge from mathematics and physics, so it belongs to Frontier Science.2.What is the solar system? Solar
10、 system is made up of the objects that orbit around the sun. These include the eight planets and their moons, as well as comets and meteors（流星）（流星）. In the Chinese legend, it says Pangu creates the world. He separates the sky and the earth and his whole body then turns into all kinds of things in th
11、e universe. 3.Do you know each religion or culture has its own ideas about the beginning of the universe? Please give an example if you know. In Bible, the world and the whole universe was created by the God. Then the God creates the first man and the first woman Adam and Eve（亚当和夏娃）. However, scient
12、ists believe that about 15 million years ago, a huge explosion which is called “Big Bang” happened, creating our universe.Reading1.Scan the passage and finish the following True or False exercises.1）The earth was different from other planets because the water remained. (T) 2) The explosion of the ea
13、rth produced water vapor, which turned into water when the earth cooled down. 3) Animal appeared before plants. 4) The earth may become too hot for life to live on it. (T)(F)Para.3 Sentence 2(T)Para.4Detailed readingPara.11.What were produced after the explosion?2.When did water begin to appear on i
14、ts surface?3. Why do many people think that water was very important for the beginning of life?Detailed readingRead Para.2-3 and finish the chart:small plants in developand all sorts of fishgreen plantson appearinsects (on land) (on land/in water)appear dinosaurswatershellfishlandamphibiansforestsre
15、ptilesmammalsDetailed readingLast paragraph1. Are people taking good care of the earth?2. What unsuitable things are they doing now to the earth?3. Whats the result?4. Whats this kind of phenomenon? (the greenhouse effect) How many parts can it be divided into? Please find out the main idea of each
16、part. Part 1（Paragraph 1) talks about how water came into being on the earth and its importance to the development of life. Part 2（Paragraph 2&3）tells us something about the evolution process of plants and animals. Part 3（Paragraph 4）tells us that human beings spread all over the earth but they are not taking good care of it. Now, read the passage again and finish Exercises1,2&3 in comprehending on Page 26-27.Homework Read the text and get familiar with it. 同学们来学校和回家的路上要注意安全同学们来学校和回家的路上要注意安全
