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2019-2020年高中英語 Unit4 Astronomy Grammar 新人教必修3 課前預習 一.語法知識： 主語從句： 做主語用的名詞性從句，因其在復合句中做主語，又稱主語從句，引導主語從句的有從屬連詞that, whether， 連接代詞who, what, which， 連接副詞when, where, how, why等。 1..連接詞： 1）從屬連詞：that， whether等. that 引導主語從句只起引導作用，本身無實際意義，在主語從句中不充當任何成分，但不能省略。 That she left him cut him to the heart. That he will e is certain 由whether及其他連詞引導的主語從句放在句首，句后都可。 Whether it will please them is not easy to say. Whether she’s ing or not doesn’t matter too much. 2)連接代詞who ，what ，which, whatever, whichever, whoever What seems easy to some people seems difficult to others. Which side will win is not clear. 3)連接副詞when，where， how， why等。 Why he did it remains a mystery. When they will start is not known yet. How he became a great scientist is known to us all. 2.位置：主語從句可以前置，也可以后置。用it做形式主語，而把主語從句放在句末，常用下面幾種句型。 1）It + be + 表語 +主語從句 表語：（名詞,形容詞,過去分詞） It is a pity that we can’t go. It is no surprise that our team should have won the game. It is an honour that I was invited to attend the meeting. It is certain that she will do well in her exam. It is true that I told her everything. It is said that Mr. Green has arrived in Beijing. It is reported that China has sent another manmade earth satellite into orbit. 2）It+不及物動詞或短語+主語從句 It seemed (happened, doesn’t matter, has turned out) that… It happens that they were absent. It seems that Alice is not ing to the party at all. It doesn’t matter whether she will e or not. It makes no difference where we shall have the meeting. 3) It +及物動詞（被動語態(tài)）+主語從句 It has been decided that the exhibition will not open on Sundays. 注意: 1）主語從句在句首時，必須由連接詞引導，不能省略這些連接詞；但是如果用it做形式主語，而把主語從句放在句末時，從屬連詞that可以省略。 誤：They should like each other is natural. 正：That they should like each other is natural. 正：It is natural that they should like each other. 2)如果主語從句放在句首，不能用if引導，但是如果用it 做形式主語，而把主語從句放在句末時，也可以用if引導. 誤：If Mary really heard him is really doubtful. 正：It was doubtful if Mary really heard him. Ⅱ．從文章中找出以下主語從句并試著分析： 1).What it was to bee was a mystery until the dust began to slowly bine into a ball moving around the sun. 2). …because it was not clear whether the solid shape was to last or not. 3).What scientists think is that the earth was different because of … 4).Whether life will continue on the earth for millions of years to e will depend on … 實戰(zhàn)演練 一．用正確的連接詞完成下列句子： 1._____ the universe is like has attracted Stephen Hawking all his life. 2._____ is clear and simple about the universe has always seemed too difficult for us to answer. 3._____ the universe exists the way it does is a major question to all those who have looked at stars like Hawking. 4._____ has developed over two thousand years of observation has to be greatly revised. 5._____ in the universe we live is not the centre, but one of the nine planets orbiting the sun, which is just one of millions of stars in our own Milky Way galaxy. 6.______ we understand the universe is the time when we human beings will have answered all the questions. 7.______ we can have a plete picture of the universe depends on learning to understand what we see. 8.______ Hawking wants to tell us in this text is that we should study the universe, and understand it. 二．單項填空： 1.I have always been honest and straightforward, and it doesn’t matter _______that Im talking to. A. who is it B. who it is C. it is who D. it is whom 2. It is pretty well understood ___ controls the flow of carbon dioxide in and out the atmosphere today. A. that B. when C. what D. how 3. _____ made the school proud was______ more than 90％ of the students had been admitted to key universities. 　A. What; because B. What ; that 　C. That ; what D. That ; because 4. ______ we will go camping tomorrow depends on the weather. A. If B. Whether C. That D. Where 5. _______ that they can pass the written exam this time. A.That is hoped B. It is hoped C. It hopes D. That hopes 6. It ____ Tom drives badly. A. thinks that B. is thought what C. thought that D. is thought that 7.______we can’t get seems better than ____ we have. A. What; what B. What; that C . That; that D. That; what 8. The lawyer rarely wears anything other than jeans and a T-shirt ______ the season. A.whatever B.wherever C. wheneverD. however 9._____ is known to us all is that the xx Olympic Games took place in Beijing. A. It B What C. As D. Which 10. ______ was most important to her, she told me, was her family A. It B. This C. What D. As 反饋檢測 高考試題從句集錦： 1. ______wants to stay in a hotel has to pay their own way. A. Anyone B. The one C. Whoever D. Who 2.The panies are working together to create _____ they hope will be the best means of transport in the 21st century. A.which B. that C. what D. who 3. All people, __ they are old or young, rich or poor, rich or poor, have been trying their best to help those in need since the disaster. A. even if B. whether C. no matter D. however 4. It has been proved ___ eating vegetables in childhood helps to protect you against serious illnesses in later life. A. if B. because C. when D. that 5._____________ you have done might do harm to other people. A. That B. What C. Which D. This 6. _____________ leaves the room last ought to turn off the lights. A. Anyone B. The person C. Whoever D. Who 7. It worried her a bit _____________ her hair was turning grey. A. which B. that C. if D. for 8. _____________ you don’t like him is none of my business. A. What B. Who C. That D. Whether 9. _____________ he said at the meeting astonished everybody present. A. What B. That C. The fact D. The matter 10._____he said _____ to hurt you. A. That; didn’t mean B. Which; meant C. What; didn’t mean D. As; meant 11. _____________ is a fact that English is accepted as an international language. A. There B. This C. That D. It 12. Sarah hopes to bee a friend of _____________ shares her interests. A. anyone B. whomever C. whoever D. no matter who 13. ___________ caused the accident is still a plete mystery. A. What B. That C. How D. Where 14. ___________ has helped to save the drowning girl is worth praising. A. Who B. The one C. Anyone D. Whoever 15. _____________ she couldn’t understand was _____________ fewer and fewer students showed interest in her lessons. A. That; what B. What; why C. What; because D. Why; that 16. A modern city has been set up in ________ was a wasteland ten years ago . A. what B. which C. that D. where 17. After Yang Li Wei succeeded in circling the earth, _______ our astronauts desire to do is walk in space. A. where B. what C. that D. how 18. The other day, my brother drove his car down the street at ________ I thought was dangerous speed. A. as B. which C. what D. that 19. We havent settled the question of ______________ it is necessary for him to study abroad. A. if B. where C. whether D. that 20.＿＿＿＿makes this shop different is that it offers more personal services. A. What B. Who C. Whatever D. Whoever 第3課時 實戰(zhàn)演練 一.What 2.What 3.How 4.What 5.Where 6 When. 7.Whether 8.What 二.1-5.BCBBB 6-10.DAABC 反饋檢測： .1-5.CCBDB 6-10.CBCAＣ 11-15.DCAＤB 　16-20.ABＣCA