人教版高三教案 Unit 2 Crossing Limits.docx

1、人教版高三教案 Unit 2 Crossing Limits高三Unit 2 Crossing Limits(教师版)Period 1 New words and expressions 1.puzzle vt. 1).使迷惑;使为难,使窘困 What puzzles me is why they didnt show up. _令我百思不解的是他们为什么没有出现。 He looked a little puzzled. 他看上去有点困惑。 His recent behavior puzzles me. 他最近的行为使我迷惑不解。 2).苦思而得出(+out) I could not puzz

2、le out her intentions. 我猜不出她的意图。 We finally puzzled out the meaning of the poem. 我们苦苦思索终于理解这首诗的意思。 vi. 1).感到迷惑(+at) I have been puzzling about this question for weeks now. 我对这个问题已冥思苦想了好几个星期。 2.苦思,冥思苦想(+about/over/as to) n. 1. (游戏的)猜谜,智力竞赛C 2. 难题,谜,难以理解之事S1 Her decision was a puzzle to him. 她的决定对他来说是

3、个谜。 3. 困惑,迷惑S Im in a puzzle as to how to cope with the new situation. 我不知道该如何应付这新局面. 2.in exchange for_与交换 She is giving him English lessons in exchange for his teaching her Chinese. 她教他英语，他教她汉语。 3.wander vi. 1)漫游;闲逛;流浪;徘徊(+about/off/over/through) He wandered in the streets. 他在街上游荡。 2)离开正道;离题(+from

4、/off) During the storm the ship wandered from its course. 船在风暴中偏离了航道。 He wandered from the subject. 他说离了题。 3) (精神)错乱;(思想)混乱;出神,开小差 My attention wandered. 我走了神。 4.volunteer n.C 1)自愿参加者,志愿者(+for)(+to-v) The volunteers for community service are doing a good job. 社区服务的志愿者做得很出色。 2)志愿兵,义勇兵 Many Australian

5、s fought as volunteers on the Allied side. 许多澳大利亚人作为志愿兵与盟军一起战斗。 vt. 1)自愿(做)(+to-v) They volunteered to repair the house for the old lady. 他们主动提出替老太太修缮房子。 2.自愿提供,自愿给予 She volunteered the information. 她自动提供了这一消息。 vi. 1)自愿;自愿服务(+for) He volunteered for the hard and unprofitable job. 他自愿做这苦差使。 2. 自愿当兵(+

6、for) When the war broke out, he volunteered for the Marine Corps. 战争爆发时,他自愿参加了海军陆战队。 5.suggest vt. 1) 建议,提议+v-ing+(that虚拟)+wh- I suggest our going to the park on Sunday. 我建议我们星期天去公园。 The dentist suggested that she (should) come another day. 牙医建议她改天再来。 2. 暗示;启发+(that陈述) Her expression suggested pleas

7、ure./that she was pleased她面露喜色。 3. 使人想起,使人联想到(+to) That cloud suggests a boat to me. 那朵云使我联想到船。 6.accomplish vt. 1).完成,实现,达到 They didnt accomplish the purpose desired. 他们没有达到预期的目的。 They have accomplished their mission successfully. 他们成功地完成了任务。 2)走完,度过 She has accomplished 95 years of her life. 她已达九十

8、五高龄。 The journey was accomplished in five weeks. 花了五个礼拜走完全部旅程。 7.refer to 1)查阅，参阅 A person refers to a dictionary（查阅字典）to find the meaning of the words. 2)指而言，指的是 I knew the lady was referring to Bill when she spoke of a bright young boy. 3)把称作(as) Dont refer to your sister as（把你的妹妹称作） a silly cow!

9、referto 1)指导；让找 Our teacher refers us to many good books.（让我们参考许多好书）。 If he needs any further information, refer him to me.（让他来找我）。 2)归功于；归咎于 He referred his success to（把他的成功归功于）the good teaching hes had. 8.arise (arose, arisen) vi. 1）升起,上升 A heavy mist arose from the lake. 湖面起了浓雾。 2)产生,出现,形成(+from/

10、out of) Unexpected difficulties arose in the course of their experiment. 在他们进行实验的过程中,出现了意想不到的困难。 Between the copartners serious disagreements arose. 合伙人之间产生了严重分歧。 9.evidence n. 1).证据;证词;证人;物证U(+of/for)+that+to-v He was punished for giving false evidence.（做伪证） The evidence is very shaky. 这证据相当靠不住。 2)

11、迹象UC(+of)+(that) There are evidences that somebody has been living here. 有迹象显示有人一直住在这里。 10.praise n. 1)赞扬,称赞U Im sure I dont deserve so much praise. 我肯定自己不值得这么多赞扬。2)赞美的话,赞词P(+of) The praises of his friends made the boy feel very proud. 3)【宗】(对神的)赞美,崇拜U Let us give praise to God. 让我们赞美神吧 vt. 赞美,表扬;歌颂

12、(+for) The publishers praised his novel pretty highly. 出版商们对他的小说评价甚高。 The mayor praised the boy for his courage. 市长赞扬这个男孩很勇敢。 Period 2 Warming up & Listening & Speaking Step 1 Talk about the pictures in the SB posssible answers: Q2 seven.Theyre Asia,Afria,Europe,North America,South America,Oceania a

13、nd Antarctica. Q3 Winds and waves on the sea, losing their way,lack of food and drinking water ,pirates, languages,communication devices and diseases Q4explore,challenge,brave,luck,lackof,hardship,death,disease,success,failure,wealth, knowledge,technology,information, equip Step 2 Listening Step 3 S

14、peaking Step 4 Language points 1.what sort of questions do you think the reporter . sorts of各种各类的a sort of一种 eg: you can see sorts of fishes under the sea. _ do you think 是插入语,放在特殊问句疑问词之后,其后的句子应用陈述语序. eg: When do you think they will come back? 2.What modern means can explorers means方式,方法 (单复数同形) mak

15、e use of _make good/full use of _ 3. In which way will a human trip to be similar to.与相似. eg: The gold is similar to brass in color. _ 4.In their work, scientists meet with meet with/come across/come up with/run into遇到,碰上 Eg: While reading, you are sure to come across some new words. make decisions

16、about. 对作出决定 about which 在句中引导一带有介词的定语从句, 修饰先行词situations 5.When Captain James Cook landed in. take possession of把占为己有,占领,夺取 e.g. Dont take possession of the wallet,though you picked it up in the street. in the name of以 名义,代表 e.g. The police arrested him in the name of the law（以法律名义）。 4.Instead of s

17、ending people, we can send robots equipped with. instead of代替, 而不是 e.g. Instead of going to the museum, they finally decided to go to the park. equipped with “ 装备”, 过去分词短语作定语 equip with, be equipped with e.g. All the police are equipped with guns and bullets. equipment n. _设备,配置_do observations for为

18、 去做观察 _ 课文跟踪默写： 1.占领，占有 _/某人占有，拥有_ /某物/某人为某人所有 in the name of sb/sth 2.以的名义，代表_ 3.大量的_ 一堆/团/块_ 4.富含/缺乏 _ 5.进行调查 _ 6.一项国家重点项目 _7.挖掘 _ 8.冒丧失生命，健康之险做某事 _ 9.用装备，配备 _ Period 3 Reading（一） Step1 Scanning Para.1Thesis sentence Many great explorers made expeditions across the Indian Ocean long before Columbu

19、s, among whom Zheng He was the most prominent. Para.2 China had contacts with countries along the Indian Ocean from the early time, and during ancient time explorers had begun to contact with each other. Para.3 Between the Han and the early Tang Dynasty, Swahili kingdoms and the islands off the Afri

20、can coast developed into the world trade centre and attracted merchants from the world. Para.4 During the Tang Dynasty, Du Huan, who traveled to many lands, wrote the book Record of My Travels._ Para.5In the eleventh century, the Africans made several voyages to the court of the Song Dynasty. Para.6

21、 By the beginning of the fifteenth century . the time was ripe for a grand meeting. Para.7 In the years between 1405 and 1433, under the command of Zheng He, seven large treasure fleets sailed westwards on voyages of trade and exploration. Para.8 Zheng He renewed relations with the kingdoms of the E

22、ast African coast. Para.9The fleet made several expeditions before the exploration was stopped. Step 2 T or F 1.The Europeans were the first Explorers to travel to other countries. （ ） 2. Accurate maps of the countries around the Indian Ocean were made before the fifteenth century. （ ） 3.In the year

23、s between 1405 and 1433 , Zheng He sailed westwards only on voyages of exploration. （ ） 4 Zheng He invited African countries to send ambassadors to China. （ ） Read the first paragraph carefully and answer the following questions. Students read quickly and try to find information to answer the questi

24、ons. Questions: 1. What formed the foundation of mankinds interest in exploration? Trade and curiosity formed the foundation of mankinds interest in exploration. 2. What was Columbuss purpose of searching for the wealthy Asian lands? His purpose of searching was to seek treasure. 3. Which ocean does

25、 the world “western ocean” refer to? It referred to part of the Pacific Ocean west of Brunei and part of the Indian Ocean along the coast. 4. Guess who explored the Western Ocean before Columbus. Many people explored the Western Ocean, among whom Zheng He was the most famous. Para2-5 1.In the Han Dy

26、nasty, who traveled over land to the East Roman Empire? In the Han Dynasty, Gang Ying traveled over land to the East Roman Empire. 2. Between the Han and early the Tang Dynasty, Which part of Africa developed into the world trade centre? Between the Han and the early Tang Dynasty, Swahili kingdoms a

27、nd the islands off the African coast developed into the world trade centre. 3. During the Tang Dynasty which traveler wrote Record of My Travels? During the Tang Dynasty Du Huan wrote Record of My Travels. 4. Before the Song Dynasty which means of transport did Chinese travelers mainly use? Before t

28、he Song Dynasty Chinese travelers mainly traveled over land. 5. In the eleventh century, who made several voyages to the court of the Song Dynasty? In the eleventh century, the Africans made several voyages to the court of the Song Dynasty. Period 4 Reading （二） Language points 1.reach/ reach out/ re

29、ach for Please reach me that book. Not a single word reached my ears. He reached out his hand for the knife , but it was too far away. We must reach out to those in need. Jim reached for a gun but he was stopped. 2.puzzle What puzzles me is why they didnt show up. He looked a little puzzled. We fina

30、lly puzzled out the meaning of the poem Her decision was a puzzle to him Im in a puzzle as to how to cope with the new situations. 3.search /search for /search - for/ in search of The police searched the prisoner to see if he had a gun. I searched shop after shop for my sistersbirthday present. The parents searched for their lost boy here and there , but they didnt find him. I will make a search for your book. I l