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1、Unit 4 Astronomy: the science of the stars,概括大意 Science is not just knowledge；it is a way of thinking，a method of finding out about the world.We see something，we try to explain it，and we test our idea by setting up all experiments.One day you come home and find the plant on the table has fallen over
2、.You think it might be the wind from the open window or the cat.So you close the window，but leave the cat in and see what happens (you can also try leaving the window open and shutting the cat out)Of course，you remember there may be a third explanation. 此段落的大意是：_,What exactly is science?,课前10分钟,漫画欣赏
3、,画面描述,Two goats are tied to each other with a rope.They both see some grass in opposite directions，and try to pull to get their own food.However the rope is too short to allow them to eat their food.,寓意理解,Cooperation is better than conflict.Our goal is not that we get something and the other gets no
4、thing，but that all people get what they want.Thus，cooperation will benefit everyone. 你能否对此加以扩展，写一篇120词左右的小短文？,课堂双基回归,.词义辨析 1AIDS is a disease that breaks down the bodys immune _. Asituation Borigin Csystem Dpreservation 2_ crimes such as murder or rape are on the increase in this district. AGenuine
5、BViolent CFundamental DSecure 3The _ at home has been depressing since they had that fight. Aatmosphere Bbackground Cemergency Doccasion 4The festival has been a great success，_ last year when it rained nonstop. Abesides Bbeyond Cdespite Dunlike,C,B,A,D,5The Government fears the strike may produce a
6、 _ reaction in other industries. Afloat Batom Cseries Dchain 6If you _ three by three，you get nine. Amultiply Bpuzzle Cseek Dcombine 7There is no evidence that life _ on other planets. Aresponds BExists Cexplodes Dsinks,D,A,B,8For the sake of her daughters health，she decided to move to a warm _. Awe
7、ather BTemperature Cseason Dclimate 9Three people were killed when their car _ into a lorry. Acharged BCrashed Cbalanced Dglared 10The sound of her voice came _ down from an upstairs window. Afloating Bsettling Cblocking Dpacking,B,D,A,.短语填空 in time；now that；break out；get close to；cheer up；give birt
8、h to；in ones turn；watch out；block out；get the hang of 1Dont worryIm sure things will get better _. 2We congratulated her on a fine healthy baby. 3Now that we have finished designing，the company， _ ，should do the constructing work. 4The wall _ all the light.It should be pulled down.,in time,giving bi
9、rth to,in its turn,blocks out,5She told her child to _ when crossing the street. 6Using the computer isnt difficult once you it. 7 you are grownup，you should not rely on your parents. 8Should another world war _，what would become of human beings? 9The crowd when they saw the teams arrive. 10Tell the
10、 children not to the cave.,watch out,get the hang of,Now that,break out,cheered up,get close to,.完成句子 1 (随着地球的冷却)，water began to appear on its surface.(cool) 2Whether life will continue on the earth for millions of years to come will (取 决于这个问题能否得到解决)(depend) 3When we get closer to the moon，we shall
11、_(感到月球的引力在拉我们)(pull),As the earth cooled down,depend on whether this problem can be solved,feel its gravity pulling us,.单项填空 1This produced a chain reaction，which made _ possible for life to develop. Athat Bthem Cit Done 2Li Yanping _ that the force of gravity would change three times on our journey
12、. Aexplained to me Bexplained me Cexplained with me Dexplained me of 3As the rocket rose slowly into the air we began to feel the pull of the earth，which is _ we call gravity. Ahow Bwhere Cwhen Dwhat,C,A,D,4But when I tried to step forward I found I was carried _ on the earth and fell over. Aas far
13、as twice Bas twice far as Ctwice as far as Das far twice as 5We watched，_ as fire broke out on the outside of the spaceship as the earths gravity increased. Aamazing Bamazed Cbeing amazing Dbeing amazed,C,B,知识要点整合,核心词汇梳理,1unlike prep.不像；和不同 Unlike his brother，he has a good sense of humor. 和他兄弟不同，他有种
14、幽默感。 In his jeans and Tshirt，Charles looked most unlike a lawyer. 查尔斯身穿牛仔裤和T恤衫，看上去一点儿也不像个律师。 Its unlike Beth to drink so much；I wonder if shes all right. 贝思喝这么多可不像她平时，我不知道她有没有事。,2thus adv.如此；这样；因此 He forgot to turn on the radio and thus missed the program. 他忘了打开收音机，因此错过了那个节目。 Most of the evidence was destroyed in the fire.Thus it would be almost impossible to prove him guilty. 多数证据已毁于火灾，因而要证明他有罪几乎是不可能的。,3exist vi. 存在；生存,句型 there exists.意为“有；某地有；某地存
