2019-2020学年英语高中人教版必修2学案：Unit3 Period 1新知预习课

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1、Unit 3 ComputersPeriod 1 新知预习课学习目标1.熟练掌握本单元下列重点单词和短语:solve,explore,anyhow,goal,signal,type,arise,electronic,as a result,so.that.,in a way,with the help of,deal with,熟记单词拼写并能灵活运用。2.根据英语释义从课文中找出所学词汇,培养学生用英语思维的习惯。3.根据句子和语境找出与所学词汇意思相近的词汇。练习循序渐进,以达到巩固和运用词汇的目的。词汇快测1.Match the words and phrases.A.words (词汇

2、连线 )(1)solve(2)explore(3)goal(4)signal(5)type(6)arise(7)electronic(8)anyhow(9)personal(10)calculate(1)n.打字(2)v.发信号;信号(3)adv.无论如何;即使如此(4)vt.解决(5)vt.计算(6)adj.电子的(7)adj.私人的;个人的(8)v.探索;探测;探究(9)vi.出现;发生(10)n.目标B.phrases(短语连接 )(1)from.on(2)watch over(3)in common(4)after all(5)as a result(6)with the help o

3、f(7)in a way(8)deal with(1)毕竟(2)处理;安排;对付(3)结果(4)在某种程度上(5)在帮助下(6)看守;监视(7)共有;相同(8)从时起2.根据释义写出单词(1) complete change in ways of thinking,working,etc (2) connected computer system (3) to make things easier (4) to find the answer using numbers (5) able to be moved from place to place (6) to work out the a

4、nswer to a problem (7) to travel around the area to find out about it (8) completely (9) anyway (10) activity of managing money 重点探究1.in common 共同的;共有的(常和 have 连用)【完成句子】(1)They have (毫无共同之处)with each other in character. (2) (和其他男孩一样 ),he is also fond of football. (3)I found that ( 我与他有很多共同之处). (4)Th

5、ey are twins,but they ( 他们几乎没有共同之处). (1)have little in common (2)have nothing in common (3)in common with (4)have something in common (5)have much/a lot in common 2.solve vt. 解决 ,解答【完成句子】(1)It was clever of you to the problem.你很聪明,解决了这个问题。 (2)I cant the problem.我解答不了这个难题。 (3)Help me to my financial

6、troubles.请帮我解决经济困难。 (4)An apology from him the quarrel.他的道歉使争吵和解了。 (5)An official was sent to the argument. 一位官员被派去解决争端。 (1)solve 意为“解决”,侧重给出一个答案,后跟 problem,puzzle,trouble,difficulty 等。(2)settle 意为“解决争端”,后跟 issue,argument,quarrel 等。3.arise vi.( arose,arisen)出现, 发生【完成句子】(1)A problem has in the Foreig

7、n Office.问题已在外事处出现。 (2)This is the point where the difference .这是产生分歧的地方。 (3)Many difficulties have as a result of the changes.由于变化许多困难产生了。 (4)Everyone knows the sun in the east.每个人都知道太阳从东方升起。 (5)Anyone who knows the answer to the question,please your hand.知道答案的请举手。 (1)arise vi.( arose,arisen) (2)ri

8、se vi.(rose,risen) (3)raise vt.(raised,raised) 4.signal n.信号 vt.发信号【完成句子】(1)She sent a that he was about to turn left.她发出信号表示他要左转。 (2)We live too far from the city to a strong television signal.我们住的地方离城太远,收不到清晰的电视信号。 (3)The police the traffic to move forward slowly. 警察指示交通缓慢前行。 (1)send/give a signal

9、 (2)receive/pick up a signal (3)signal(to)sb.to do sth. (4)signal 5.goal n .目标;目的;目的地;球门;得分【完成句子】(1)He has .他已实现了他的目标。 (2)Youd better a goal before you start the training.在开始训练前你最好先设定目标。 (3)They of their journey.他们实现了旅途目标。 (4)Baggio the first goal for Italy. 巴乔为意大利进了第一个球。 (1)reach/achieve ones goal

10、. (2)set a goal . (3)score a goal . 语境应用.单词拼写1.John showed great interest in science and ( 科技)when he was young. 2.Credit cards have resulted in a (革命,革新)in peoples shopping habits. 3.I cant tell natural flowers from (假的)ones in the shop. 4.It is said that dolphins are much more (聪明的)than other anim

11、als. 5.The scientists (计算)when the spacecraft would reach the Moon. 6.The English in this story has been s to make it easier to understand. 7.Computers are attracting u interest;even small children are learning how to use them. 8.Theyre carrying out a program to e outer space. 9.This afternoon Ill t

12、 the letter for you. 10.P speaking,his job will not be difficult if he has learned enough about computers. .单项填空1.He was very smart and the crossword in ten minutes. A.dealt B.endedC.solved D.settled2.If you want to the narrow alley(胡同) of old Beijing,youd better use the pedicab (三轮车). A.explore B.e

13、xpressC.exchange D.explode3.I cant tell you the exact time when I will get there. ,Ill be there as early as I can. A.So B.AnyhowC.Therefore D.Besides4.Tom and Mary got married last month.Are you kidding?They have in common. A.anythingB.somethingC.nothingD.everything5.Many people trusted Jack and tho

14、ught highly of him,but ,I think he is actually dishonest. A.personally B.generallyC.especially D.specially6.When the question at the meeting,no one could answer it. A.rose B.raiseC.came D.arose7.People may have different opinions about Karen,but I admire her. ,she is a great musician. A.After allB.A

15、s a resultC.In other wordsD.As usual8. ,the cost of various repairs adds up to just over a hundred pounds. A.In commonB.In generalC.In totalD.In particular9.Tony studies harder this term, ,he has made great progress in his lessons. A.As a result B.After allC.In spite of D.Instead of10.We cant on hav

16、ing a good weather for the outing. A.evaluate B.calculateC.predict D.conclude.短文填空I began only as a (计算的 )machine in 1642 in France.I could ( 简化)difficult sums then.I could “think” (逻辑).At that time it was considered a (技术的)revolution and the start of my “ ( 人工的)intelligence”. (随着)time went by,I hav

17、e been made smaller and smaller.First as a PC ( 个人的)computer),Then as a laptop.My memory has become ( 如此 )large that I can hardly believe it! As a result,I (完全的)changed my shape.However I was always standing there lonely until later they gave me a family connected by a (网络).Since the 1970s many new

18、(应用)have been found for me.I have been put into space ( 火箭)and sent to ( 探索 )the Moon and Mars.Anyhow my (目标)is to provide humans with a life of high quality. 参考答案词汇快测2.根据释义写出单词(1)revolution (2)network (3)simplify (4)calculate 5)mobile (6)solve (7)explore (8)totally (9)anyhow (10)finance重点探究1.【完成句子】

19、(1)nothing in common (2)In common with other boys 3)I have much/a lot in common with him (4)have nothing in common【归纳总结】(1)几乎无共同之处 (2) 没什么共同之处 (3) 和一样 (4) 有一些共同之处 (5)有很多相同之处2.【完成句子】(1)solve (2)solve (3)solve (4)settled (5)settle3.【完成句子】(1)arisen (2)arises (3)arisen (4)rises (5)raise【归纳总结】(1)(问题的 )出现

20、,发生;(2)上升,升起(物价) 上涨等;(3) 举起,提高,饲养4.【完成句子】(1)signal (2)receive/pick up (3)signaled【归纳总结】(1)发信号(2)接收信号(3)向某人发信号示意某人做某事(4)n.信号 vt.发信号5.【完成句子】(1)achieved his goal (2)set (3)reached the goal 4)scored【归纳总结】(1)实现目标 (2) 设定目标 (3) 进一个球语境应用.单词拼写1.technology 2.revolution 3.artificial 4.intelligent 5.calculated 6.simplified 7.universal 8.explore 9.type 10.Personally.单项填空15.CABCA 610.DACAB.短文填空(1)calculating (2)simplify (3)logically (4)technological(5)artificial (6)As (7)personal (8)so (9)totally (10)network (11)applications (12)rockets (13)explore (14)goal