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1、考试高中英语必修三第三单元知识点总结必修3第3单元单词短语讲解1. Bet bet bet n. 赌, 打赌 1). 打赌(+on) Lets have a bet on the result of the election. 让我们就选举结果打个赌吧! 2). 赌金,赌注 3). 意见,猜测+(that) My bet is that she wont refuse his invitation. 我认为她不会拒绝他的邀请。You shouldnt make bets = (make a bet打赌) against him v. 赌, 赌钱 1). I bet you dont know
2、who won the game last night. 我肯定你不知道昨晚谁赢了比赛。 2). He bet twenty dollars on me to win the fight. 在口语中I bet =Im sure 我肯定 I bet it will rain tomorrow !我肯定明天会下雨 2. scene n. 现场, 场面, 情景, 景色, 发生地点, 戏剧一场, 布景, 道具布置3. tale故事;传说 A Tale of Two Cities双城记 4. permit/ allow allow /permit这两个词的意义与用法相近。其句型为: 1、allow/pe
3、rmit sth 2、allow/permit sb to do sth 3、allow/permit doing sth如:?This plant allows one hour for lunch. 这家工厂允许一个小时的吃饭时间。 ?He would not permit the waste of a single grain. 他不允许浪费一粒粮食。 ?They dont allow/permit people to smoke in the offices( ?We dont allow/permit smoking in the offices( ?Talking loudly i
4、s not allowed/permitted in the library. permission是permit的名词形式 5. go ahead本意“前进” go ahead“随便，请自便”“继续”着手做某事;尽管去做;不要等(常用于祈使句) “May I ask you a question,”“Yes，go ahead(”“我可以问你一个问题吗,”“可以，问吧” “May I start,”“Yes，go ahead(”“我可以开始了吗,”“行，开始吧。”总之，go ahead 是叫(或同意)别人去做他本来想做的事情。 6. by accident 1). by accident 偶然
5、地，无意中。如: I found it by accident. 我是无意中找到它的。 Columbus discovered America by accident. 哥伦布偶然发现了美洲大陆。 注:by accident 主要用作状语，有时也用作表语。如: Our meeting in Paris was by accident. 我们在巴黎见面是个巧合。 2). by accident of 因为的机会，由于的运气。如: By accident of birth, he was rich. 他有幸生在富裕家庭。 3). without accident 平安无事地。如: That nig
6、ht passed without accident. 一夜平安无事。 The ship arrived there without accident. 船平安到达那儿。 by chance 偶然,碰巧 指几率很小 by accident 偶然，有时被当作偶遇来解释 如:I met him in the street by accident, 7. stare stare是盯着的意思 stare at sb 为固定搭配盯着某人的意思 glance是一瞥，随便的一看的意思 glare是瞪眼怒目注视的意思 gaze是凝视的意思 8. Spot n. 班点, 雀斑，污点, 地点, 场所, 现场 vt
7、. 认出, 发现 a spot on ones fame 名誉上的污点 a scenic spot 风景胜地 a historic spot 古迹 vice spots 堕落场所 the meeting on the spot 现场会议 a spot of (一点儿)= a little = a bit of后接“不可数名词” 如:Lets have a spot of lunch.让我们吃点午饭吧。 9. account for 1).总计,占据 Two things account for its occurrence. 发生这件事原因有两个。 2)做出.解释 ;.说明 How do yo
8、u account for it? 这你怎么解释呢, Can you account for all these absences? 你能说明你缺席的原因吗。 3.)导致，引起 Bad weather accounted for the long delay. 长期的延缓是因为坏天气 10. to be honest也可以是honestly (speaking),. To be honest, I dont like him very much. In the long run, it pays to be honest. 路遥知马力 人久见人心 be honest with 对.说老实话,
9、同.规规矩矩来往 11. Silly adj. 愚蠢的, 无聊的12. tiny taini a. 极小的,微小的 形容词比较级:tinier 最高级:tiniest 名词:tininessThe tiny seed planted it ten years before had flowered. We are living in a big world in which a person is as tiny as a seed. There is no need for you to spend so much time on such a tiny matter.13. Issue n
10、. 结果, 结局 ;发行(物); 一次发行量; (报刊)期号 ;问题; 争端; 论点v(发行(钞票等), 发布(命令), 出版(书等) 14. Fake n. 假货,欺骗，赝品，冒牌货;仿造品; 骗子 a. 假的 v. 假造,伪造;冒充，假装; 假装.的样子 过去式faked 过去分词faked 现在分词faking 1. 伪造;捏造;冒充 He faked my signature to get money from my bank. 2. 假装;假装.的样子 She faked illness so as not to go to school. n.C 1. 冒牌货;仿造品 The ex
11、perts discovered several fakes in the art collection. 2. 冒充者;骗子 a. 1. 假的;冒充的B This is a fake picture. 这是幅假画。 15. rag 1 旧布 如:a piece of rag 2 破旧衣服 in rags,表示衣衫褴褛 3 质量低劣的报纸lose his rag 是失去理智的意思 16. Indeed adv. (1) 的确是;实在是 I was indeed very glad to hear the news. (2) (表示惊奇、反语等)真的，的确 Who is this woman?
12、Who is she, indeed!?(I wonder at your asking.) (3) (用于very + 形容词或副词后，加强语气) Thank you very much indeed. 17. even if=even though是“即使” get into trouble“ 陷入困境，惹麻烦” get into trouble (with)的同义短语get into trouble (with),put sb. into trouble =be in trouble (with)=get in sour=in hot water=in the soup 18. deca
13、de十, 十个一组 ;十年, 十年间 19. Contest v. 竞赛, 争辩, 争取; 争夺 vi. 争夺; 竞争; 争论(against, with) n. 竞赛, 争论 speech contest演讲竞赛 Dear sir, Last year I buy a refrigerator in your store on Chang An road. We all like shape of the refrigerator. And recently I find something is wrong with it. It begins to make noise when it
14、turned on. At first it is low but gradually it become louder and louder. To make the matter worse, it even stops working sometimes. We all feel disappointing. I am writing you to ask for help. Would you please send a people to repair it? I will at home this weekend. Please call me before you come to
15、 here. My telephone number is 6606.5531. Thanks you very much. Customer Do you want to see the effects of global warming? Then head north. Will Steger is going to take all of us there. Steger, 64, the first person to make a dogsled trip to the North Pole, is a very famous and admired polar explorer.
16、 Hes at home in frozen parts of the world, where few humans ever step on. Steger is also a devoted environmentalist who was early to ring the alarm bell on global warming. He saw its effects first hand in frequent polar expeditions to the Arctic and Antarctica. Now Steger is about to lead a team of
17、six young adventurers on a 1, 400-mile, 60-day-long dogsled trip across Ellesmere Island, in the Canadian Arctic. The sea ice in that region should still be frozen. “We want to take our audience to the front lines of global warming, ” says Steger. The team will be uploading videos, stories and photo
18、s to the website globalwarming101. com as they march along, allowing armchair adventurers and kids in classrooms to follow their progress day to day. “We can actually bring the audience up there, ” Steger says. Stegers team will include some already-famous young explorers. Sam Branson, the 22-year-o
19、ld son of British airline tycoon (大亨) Richard Branson, is an experienced Arctic traveler. Also on the journey will be 27-year-old Norwegian Sigrid Ekran. Last year, Ekran became only the second woman in history to win Rookie (新秀) of the Year for the Iditarod Sled Dog Race. What they will see may be
20、very surprising. Even Steger doesnt know exactly what to expect. Climate change has already reshaped the geography of the Arctic. “Within a decade or less, its going to be impossible to reach the North Pole by dog team without flotation (漂浮), ” says Steger. Climate change is happening, but people ca
21、n change too. Their willingness to change will determine the shape of the earths future. 21. Why is Steger about to organize the adventure to the Arctic? A. To collect evidence for his scientific research. B. To develop the young peoples adventurous spirit. C. To let more people enjoy its natural be
22、auty. D. To let people realize the bad effects of global warming. 22. How can people learn about the progress of Stegers journey? （4）二次函数的图象：是以直线为对称轴，顶点坐标为（，）的抛物线。（开口方向和大小由a来决定）A. Through radio programs. B. By watching TV. 2、加强基础知识的教学，使学生切实掌握好这些基础知识。特别是加强计算教学。计算是本册教材的重点，一方面引导学生探索并理解基本的计算方法，另一方面也通过相应
23、的练习，帮助学生形成必要的计算技能，同时注意教材之间的衔接，对内容进行有机的整合，提高解决实际问题的能力。C. On the Internet. D. By reading their journals. 10.圆内接正多边形23. According to Steger, people can save the earth by _. A. changing their harmful way of life 其中点在圆上的数量特征是重点，它可用来证明若干个点共圆，方法就是证明这几个点与一个定点、的距离相等。B. learning more about the environment 点在圆
24、上 d=r;C. willingly giving up their comfortable life D. getting used to the present changes of the earth 描述性定义：在一个平面内，线段OA绕它固定的一个端点O旋转一周，另一个端点A随之旋转所形成的圆形叫做圆；固定的端点O叫做圆心；线段OA叫做半径；以点O为圆心的圆，记作O，读作“圆O”24. What would be the best title for the passage? (2)扇形定义:一条弧和经过这条弧的端点的两条半径所组成的图形叫做扇形.A. The Arctic is in
25、 danger B. Sledding through the Arctic C. Discoveries of the Arctic （5）二次函数的图象与yax2的图象的关系：D. Consequences of global warming The importance of English rests with the language being used in most countries in the world as a communicating tool. For example, a German and a Chinese cant speak opposite sid
26、es language, but they both know English. And then there is no problem between their language communication. We must know the importance and learn the language earnestly.11.利用三角函数测高The key to learn English well is to recite words. Words are the bricks of language building.Only keeping them in our mind, can we master them. To learn English well,we need to listen more English broadcast and contact with more foreigners so that we can practise our istening comprehension. Only in this way, can we study for the purpose of applicationl