山东省临朐县实验中学高一英语 Book2 Unit3 Computers学案 人教新目标.doc

book2 unit3 computers编写：孙学莲 审核:张传国 编写时间:2012.12.10 使用时间：2012.12.11主任：教师寄语: knowledge is power.learning aims:1.to learn the history of the computer.2.to get a whole understanding of the reading.3.to get a good knowledge of the long and difficult sentences in the reading. who am i?stepi. lead-instepii. fast readinglook through the text quickly and answer the following questions.1.who is the speaker ?2.whats the main idea of the passage?its the of computers.stepiii.careful reading1. read the passage again and find the topic sentence of each paragraph.paragraph1:paragraph2:paragraph3:2.which sentence can be replaced in the passage by the following?later, i become so clever that i can remember everything you told me. summary(a topic sentence)1.(what) 2.(where) stepiv. read and grasp these words quickly.1.universal adj.宇宙的 2.calculate vt.计算 3.analytical adj.分析的 4.simplify vt.简化5.technological adj.科技的 6.revolution n.革命7.artificial adj.人造的 8.intelligence n.智力9.mathematical adj.数学的 10.transistor n.晶体11.totally adv.完全地 12.application n.应用13.finance n.金融、经济 14.explore v.探索15.anyhow adv.探测stepv.detailed readingread the passage again and fill in the table.1642 1822 the analytical machine was made by charles babbage. 19361940s the first family of computers was connected by a network.1970s nowstepvi. important sentences1. over time i have been changed quite a lot现在完成时的被动形式： 2. as time went by, i was made smaller.as time went by=with 3. and my memory became so large that i couldnt believe it! so + + that.so + many (few, much, little)+n.+ thatsuch + + that.完成句子tom 很诚实从来不说谎.tom is _ boy that he never tells a lie.tom is _ boy that he never tells a lie.stepvii. discussion1. (brainstorm) do you know in what ways computers are used today? (work out a list and compare it with your partner.)2.what will the computer be like in the future ?design your own computer and describe it in the following ways:what does it look like?what materials is it made of?what can it do for you?stepviiiretell the whole paasage.fill in the blanks according to what we have learned. i began as a _ _ in 1642 in france. in 1822 i was built as an _ _ . then in 1936 alan turing wrote a book and built a _ _ . as time _ _ , i was made _. these changes became possible as my_ improved. in the 1960s they gave me a family connected by_ _ . now people call it the world wide web. i have been used in _ _ and_ since the 1970s. so i became pc. i am happy to become a devoted friend and helper of the human race.stepix. consolidationword spelling:1. they accepted my _（申请） to join the club.2. it was u_ acknowledged that purple is a noble color.3. he may not like my visit, but i shall go and see him _（无论如何）.4. to be good at the game you need a reasonable level of _（智力）.5. why do people who work in _（金融） earn more than most other people?choose the best answer:1. the great wall is _ tourist attraction that millions of people pour in every year.a. so a well known b. a so well knownc. such well known d. such a well known2. when mom looked back on the early days of the marriage, she wondered how they had managed with _ money. a. so few b. such few c. so little d. such little3. in the last few years thousands of films _ all over the world. a. have produced b. have been produced c. are producing d. are being produced4.great changes _ in the city in the past 20 years, and a lot of factories _. a. have been taken place; have been set up b. have taken place; have set up c. have taken place; have been set up d. were taken place;