1、1高一英语预习提纲及学案 Book2Unit3 Computers 第 3-4 课时 单元知识精练预习探究 Topic: Information technology; history and basic knowledge of computers; robotsFunction: Making decisions(做出决定 )I think/ dont think that Ive decided thatLets make a decision. Lets decideReasoning（说明理由）The advantage / disadvantage is FirstSecondGi
2、ve me your reasons. I thinkbecause(of) Grammar：现在完成时的被动语态的结构和用法Over time I have been changed quite a lot.Since the 1970s many new applications have been found for me.三维目标Teaching aims: Master the usage of some verbs and sentences.教学重难点 Important points: Usage of phrases课时安排 2 periods学习过程 Learning pr
3、ocedures:合作释疑Step 1 The teacher checks up the preparations of students.Step 2 Learn the language pointsI重要单词1vt.计算 n.计算 n.计算器老师计算班上的平均分数。The teacher the average mark of the class.她估计开车到那边较省时间。it would take less time to get there by car.这个广告以引起家庭主妇们的注意为目标。This advertisement attract the attention of h
4、ouse wives. 归纳拓 展 calculate 是动词，主要义项有：. (1) 计算；核算 估计；推测 有企图；打算, be calculated to do sth.目的是calculate on/upon 指望；预测2vt.简化 adj.简单的；朴素的 adv.简单地；仅 n.简化 n.应用；用途；申请给学生讲解要尽量简单明了。 your explanation for the pupils.申请表格现已简化了。The application forms他学习了多种语言，目的只为了乐趣。He studied many languages2那个俱乐部接受我申请加入（为会员） 。to
5、join the club.归纳拓 展 simplify 为动词，意思为 “简化；精简；使易懂”。simple 为形容词，意思为 “简单的 , 简明的; 朴素的;单纯的”。simply 为副词，意思为“简单地；简明地：直率地；仅仅；完全”。3vt.解决；解答 解答问题正在想办法解决污染的问题。Attempts are being made 请帮我解决经济困难. Help me to solve .没有解决这个问题的容易的方法。 to this problem. 归纳拓 展 settle 意为“解决，处理” ，后常接“事情，争论”等方面的词汇，如 affair, matter, business
6、, argument, disagreement, dispute 等。例如：They settled the quarrel out of court.他们以庭外和解的方式解决了争端。solve 意指“解答，解决” ，后常接“问题，困难”方面的词，如 problem, difficulty, riddle, puzzle 等。例如：He alone will be able to solve the riddle.只有他才能解开那个谜。4adj.私人的；个人的；亲自的 adv.就个人而言；亲自私人信件 私人物品总统亲自回复她的信。The President就我个人而言，我不喜欢这幅画。 ,
7、I dont like this painting. 归纳拓 展 personally 是副词，主要义项有： （修饰动词）亲自地；亲身 （修饰句子）就个人而言；作为个人， in person,亲自地，in ones own opinion 就本人而论5 v.探索；探测 n.探险家 n.火箭 我们探查了新发现的岛屿。他们发射火箭以探测太空。该问题的解决办法在探讨中。 under exploration.中国正在进一步探索太空。 归纳拓 展 explore 用作动词, 义项有：(1) 勘探；探测 (2) 探险；考察 (3) 仔细检查（某事物） ；探索；探究。 名词形式为 exploration 主
8、要结构有：under exploration 处于探索之中make/carry out an exploration of sth 进行探索3The exploration for sth 对的探索6adv.无论如何；即使如此咱们无论如何暂时不要再提这件事。lets forget about that for the moment.恐怕我们来不了，不过还是感谢邀请。Im afraid we cant come, but thanks for你的家庭作业做得很马虎。 归纳拓 展 anyhow 用作副词,=anyway= in spite of that , 意思为 “无论如何;即使如此;至少”,
9、 另外也用作 “随随便便地; 杂乱无章地”讲。.7n. 用信号传达（某信息） ；打信号示意” 。常用结构：signal to sb 向某人示意signal that 示意signal sb to do sth 示意某人做某事signal 也可以用作名词，意思为“信号；手势；暗号；标志；信号器或信号物” 。8vi.出现；发生 （过去式） （过分） 意外事件可能因疏忽而引起。Accidents can carelessness.夜间刮起强风。烟从烟囱升起。我们早晨五点起床。 归纳拓 展 arise 是不及物动词，主要义项有： 产生；出现 起床；起立；升起短语 arise from/out of 由
10、引起。辨析：arise, arouse, raise, risearise vi.(arose, arisen) 突然出现 , 发生。主语一般为抽象名词，如 problem, trouble, quarrel, difficulty, misunderstanding 等。也表示“升起，起床”之意，但现在多用rise 和 get up 取代。arouse vt.(aroused, aroused)引起,唤醒,激起。raise vt.(raised, raised)举起,提高,较多地被用于具体的场合 ,如举手,举杯,升旗等; 有时也用于提高工资,提高工作效率等。4rise vi.(rose, r
11、isen)上升,升高,上涨等,大多用于抽象或比喻的场合,如太阳,蒸汽,产量的上升,有时也用于具体场合,如人的起立,河水的上涨等。9adj. be the width of = be as wide as; be the depth of = be as deep as； be the height of = be as high asIII重要句型1随着时间的推移，我被弄得越来越小。随着时间的推移，情况会有所改善。随着时间的流逝, 我的记忆力似乎越来越差.7归纳拓 展 as 是连词，在此句中意为 “随着；当的时候” ，引导时间状语从句。with也常用来表示“随着；伴随” ，但它是介词，构成介词
12、短语，不能引导句子。试比较：With modern industry and agriculture developing, more and more waste is produced.As modern industry and agriculture are developing, more and more waste is produced.随着现代工农业的发展，会产生越来越多的废物。2. 随着时间的推移, 我的记忆能力发展得如此之快, 就像一头大象一样, 从来不会忘记告诉我的任何事情!这个袋子太重了，我拿不动。 他病得如此重以至于不能上学。 他太累了以至于一躺下就睡着了 fell
13、 asleep as soon as he lay down.归纳拓 展 So.that 表示“如此以至于” ，引导结果状语从句，口语中 that 可省略。so 可置于句首，句子倒装，即：so+形容词/副词+is/ was + 主语+ that。辨析：sothat suchthat suchthat 也可以表示“如此以至于” ，但 such 修饰名词，而 so 修饰形容词或副词。sothat 意思是“太以至于” ，引导结果状语从句。具体用法如下：adj./adv.+ that-clauseso + adj.+ a/an + 单数可数名词 + that-clausemany/much/few/l
14、ittle + n.+ that-clausea/an + adj. + 单数可数名词 + that-clausesuch + adj.+ 复数名词 + that-clauseadj.+ 不可数名词 + that-clauseHe is such a little boy that I cant believe him. (=He is so little a boy that I cant believe him.)他是一个年龄很小的孩子，我不能相信他说的话。We turned on the light so that we might see (=so as to see) what it
15、 was. 我们把灯打开，以便看看它是什么。 I study hard, so that I may not fail in the examinations. 我用功，免得考不及格。Step 3 Do exercisesStep 4 Have a test当堂检测1Since we met last time, two years have before I knew it.Agone on Bgone by Cgone out Dgone off82Unlike most of the other twin sisters, Mary and her sister Jane, who is
16、 half an hour younger, have with each other except that they look alike.Aa lot in common Blittle in commonCnothing to do Dno common3What a noise！I can hardly bear it.It as if they are having a party next door.Alooks Bfeels Csounds Dhappens4He knows to deal with men but when he meets women, he doesnt
17、 know to do.Ahow; how Bwhat; what Chow; what Dwhat; how5In , he began to learn Russian, when he was in .A1970; the 50s Bthe 1970; his 50sCthe 1970s; his fifties D1970s; his fifties6His expression suggested that he good news.Aexcited; have Bexciting; hadCexcited; had Dexciting ;have7He was blind as a
18、 result of the traffic accident.Atotal Btotally Ccomplete Dwhole8Can you tell me the way to the bus stop？Sorry, I dont know.Thats all right. Thank you .Aanyway Btherefore Crather Dsomeway9If you study hard , you will pass the National Matriculation English Test.Afrom then on Bfrom now onCsince then
19、D. from time to time10The old lady lives in a village far away from the city. She lives bat she doesnt feel .Alonely; lonely; alone Balone; alone; lonelyClonely; alone; lonely Dalone; lonely; alone 句型转换1. Miss Li helped me with my English, so I learnt a lot.I made great progress in English _ the hel
20、p of _ _.2. Personally speaking, Mike is a warmhearted man._ _ _, Mike is a warmhearted man.3. Time passed quickly. Tom became a tall man.With the time _ _, Tom became a tall man.4. You have to consider how to deal with the problem.You have to consider _ _ _ _ the problem.95. He asked me, “ Are you going to see a film tomorrow?”He asked me _ I _ going to see a film tomorrow.Step 5 Check out the answers课后作业HomeworkRecite the language points.
