上海9A Unit4 Computer 知識點(diǎn)和練習(xí)

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1、9A Unit4 Computer 知識點(diǎn)和練習(xí) 一．基礎(chǔ)篇 （一） 核心單詞 1．important a. 重要的 importance n. 重要性 2．necessary a. 必要的 need v. aux. 必須 3．happy a. 快樂的，幸福的 happily adv. 幸福地 4．plan—planned，v. 計劃 plan n. 計劃 5．hide (hid, hidden) V. 隱藏 6．break (broke, broken) V. 打破，違犯 freeze (froze, froze

2、n) V. 使結(jié)冰，使冷凍 7．calculator n. 計算器 8．operate v. 動手術(shù) How do you operate this new machine ? operation n.手術(shù) 9．electric a. 電的 electric light 電燈 electricity n. 電 electronic adj. 電子的 10．weigh v. 稱……的重量 weigh sth for sb. The watch weighs 0.45 kg. weight n. 重量 11．a(chǎn)gree v. 同意 12. Wh

3、at does Joyce think of Sichuan food? 覺得……怎么樣？ --- How does Joyce like Sichuan food? 比較： What does the thief look like? 某人長什么樣？ How does the thief look? 13.taste n. 味道，味覺 taste v. 品嘗 The dish tastes good. He tasted the dish and found it was quite tasty. 14. copy n. . 副本，拷貝 v. 抄寫 a copy

4、of the questions ；a copy of Shanghai Students’ Post I copied the text twice yesterday. 15.history n. 歷史 historical adj. 歷史的 16.develop v. 發(fā)展 development n. 17.difficult a.困難的 difficulty n. 困難 18.businessman n.. 女商人 businesswoman n. 男商人 busy a. 忙的 business n. 生意 business hours / letter

5、s 19. possible a. 可能的 impossible a.不可能的 possibly adv. 可能地 20.like v. 喜歡 dislike v. 不喜歡 21.honest a. 誠實(shí)的 honesty n. 誠實(shí) dishonest a. 不誠實(shí)的 22.length n. 長度 long a. 長的 height n. 高度 high a. 高的 weight n. 重量 wide a. 寬的，寬闊的 23. mouse n. 老鼠 鼠標(biāo) 24. knowledge n. 知識 know v. 知道， 認(rèn)識 25. ty

6、pe n.類型 v. 打字 26．print v. 打印 印刷 27．judge n. 法官 v. 判斷 審判 28．thus adv. 如此；這樣；因而 29.幾組反意詞fast --- slow, high --- low, heavy --- light, flat --- rough （二）詞組 1. plan to do sth. 計劃做某事 I plan to study abroad next year.(v.) 2. operate on sb. 為某人開刀 3. give a computer instructions by put

7、ting a program into it.通過往計算機(jī)中輸入程序來給計算機(jī)指令 by doing sth 通過干。。。。 He decorated a Christmas tree by using a lot of coloured lights.他用很多彩燈來裝飾圣誕樹 4.raise questions 提問, raise one hand 舉手 raise a pet 養(yǎng)寵物, raise some money 酬錢, raise v. 舉起 提升；提出； 提高； 及物動詞 后接賓語 rise v. 上升 上漲； 增長；起立；不及物動詞 ，后不接賓語

8、比較：The river rose two feet. The sun rises in the east. He rose early to do more reading. He rose to answer the question. 5. be made of wood 用……制成 6. lose weight 減肥, put on weight 增肥 7. agree with sb 同意某人 8..so that 以便 He got up early so that he could catch the school bus. ----He got up ea

9、rly in order to catch the school bus. 9. a number of +復(fù)數(shù)名詞 很多，一些…（謂復(fù)） A number of people have seen this film. 10.depand on 依靠 依賴 He has grown up. So he hasn’t depended on his parents any longer. 他已長大了，他不再依靠父母了 mon knowledge 常識 It is common knowledge that the earth moves around the su

10、n.地球圍繞太陽轉(zhuǎn)是常識。 12.for these reasons由于這些原因 13. the answer to the question 這個問題的答案 to 表示 “…. 的” 類似用法： the key to the door the solution to the problem 14. for the time being 暫時 眼下 15.create new ideas 創(chuàng)造新思想 16. have nothing to do 無所事事 17. change our lives 改變我們的生活 18. a human being 人類 19. m

11、ake a mistake 犯錯誤 20.for example 例如（用作插入語）,后接句子： such as 例如（只加 sth 或 doing sth）后接單詞或詞組 In many countries, Italy, for example, family life is much more important than here. People such as my sister get excited easily. 21. in history 在歷史上 （三） 英文解釋 1．depend on ：rely on ; need 依靠，依賴 Do no

12、t depend on your dictionary all the time. 2．for the time being ：at present; now ; 暫時 眼下 現(xiàn)在 I’ll let you keep the book for the time being, but you must return it to me next week. 3．for example 例如（用作插入語）：such as 例如（只加 sth 或 doing sth） In many countries, Italy, for example, family life is much mo

13、re important than here. People such as my sister get excited easily. 4. realize : come true 實(shí)現(xiàn) 5.over: more than 超過 6. be able to : can 能夠 7. hardly ever: almost none 幾乎不 練習(xí) 1． We often call computers_________ brains. (electricity) 2． It is _______that students should attend all the lectur

14、es.(importance) 3． Would you like to buy me a packet of _______food? ( freeze) 4． I can use a word processor but I don’t understand its_________.( operate). 5． Bananas are always sold by_______.( weigh) 6． He finds it _______ to stop smoking.( difficulty) 7． She looks _______enough, you can bel

15、ieve her.(honesty) 10. Yangzi River is about 6300 kilometers in__________( long) 11. What’s the _______ of the mountain? (high) 12. Could I have a word with you, if you are not too_______. ( business) 13. Come as quickly as_______(possibly). 14. My mother ______seeing you with me because you ar

16、e dishonest.( like) 15. She will ________be the greatest writer in the future. ( possible) 16. The sun _____ in the east and _____ in the west. A .rise…set B. raise …set C. rises…sets D. raises…sets 17.She likes to play outside_________ swimming in the river and climbing mountain, etc.

17、 A. for example B. so as C. such as D. so that 18.In western countries, Children over 18 should depend on themselves. A. develop B. rely on C. live on D .spend 19. _________visitors from home and abroad will visit Shanghai in 2010 . A. A number of B. The number of C.

18、Huge amounts of D. An amount of 20.She is seriously ill, doctors are preparing for operating_____ her. A. in B. for C. at D. on 二．提高篇 1．Unhappy a. 不幸的，不快樂的 2．plan to do sth : be going to do sth 計劃做某事 3．broken arm, frozen food , hidden helpers 4．hardly ever : almost never We h

19、ardly ever get frost in Guangzhou. 5． everywhere : here and there, in every part Football is played everywhere in the world. 6. be unaware of : be not knowing about 沒有意識到 The student was unaware of his mistake. be aware of 意識到 7．common knowledge : something that is known by most people 常識

20、 It is common knowledge that the Japanese eat sushi. 8．calculate v. 計算 calculation n. 計算，考慮 9．rarely : not often ; seldom 很少地 People rarely eat snake in England. Peter is rarely late, is he ? rarely, never, hardly, seldom, little, few 表示否定 10．the answer to this question the key to the do

21、or a visit to the factory the ticket for the film 11．essential : very important , necessary Water is essential to/for life. 12．hold each other’s hand 握手, hold one’s breath 屏住呼吸 hold on a minute 稍等片刻 , hold a sports meeting 舉行一個校運(yùn)會 13．hold sth v. : be filled by 容納 This room can hold 100

22、 people. 14．salesman n. 男銷售員 saleswoman n. 女銷售員 15．be made in 2001， be made in China be made from wood 16．dear / expensive The coat was $100. It seemed rather dear. Houses are very expensive in this area. dear 指價格比一般情況高，expensive 指超過購買者的能力 17．have a history of …. Years 擁有…. ….年的歷史 I like

23、history. 18．The number of…. ….的數(shù)量 The number of the students in this school is 1200. 三．語法——— 形容詞的原級、比較級和最高級 （1）．本課出現(xiàn)的形容詞 1.cheap __cheaper__ the cheapest, 2.fast__ faster__the fastest 3. far__ farther__ farthest far__ further__ furthest further 既可表示 farther 的有形距離的“較遠(yuǎn)”，“更遠(yuǎn)”。 也可表示“更多的

24、”，“另一些”，“進(jìn)一步的”等 4. bad / ill –- worse — worst 5.tasty --- tastier --- the tastiest 6. beautiful __more beautiful __the most beautiful （2）考查重點(diǎn) 中考試題對形容詞的考查涉及形容詞原級，比較級和最高級的各種句型、形容詞作定語的位置、易混淆的形容詞用法辨析等。其中，形容詞比較等級句型、形容詞修飾不定代詞something，anything，everything，nothing時的位置，易混淆的形容詞用法辨析等是考查的熱點(diǎn)。 一、形容詞的一般用法

25、 1.作定語，一般放在所修飾詞的前面。 例如，It’s a cold and windy day. 2.作表語，放在系動詞的后面。 例如，He looks happy today. 3.形容詞修飾something，anything，nothing，everything等復(fù)合不定代詞時，須放在其后。 例如，Would you like something hot to drink？ 4.表示長、寬、高、深及年齡的形容詞，應(yīng)放在相應(yīng)的名詞之后。 例如，How long is the river？ It’s about two hundred metres long. 5.只能作表

26、語的形容詞：afraid害怕；alone獨(dú)自的；asleep睡著的；awake醒著的；alive活著的；well健康的；ill病的；frightened害怕的 例如，The man is ill.（正） The ill man is my uncle.（誤） 6.貌似副詞的形容詞：lonely獨(dú)自的；friendly友好的；lively生動的；lovely可愛的 二、形容詞常用句型 1.“It’s +adj.+of+sb.+不定式”表示“某人（做某事）怎么樣”。 注意：這一句型中常用描述行為者的性格、品質(zhì)的形容詞， kind（友善的），nice（友好的）， clever（聰明的），

27、foolish（愚蠢的）等 例如，It’s very kind of you to help me.（=You are very kind to help me.） It’s very rude of her to say such words.（=She is very rude to say such words.） It’s foolish of him to go alone.（=He is foolish to go alone.） 2.“It’s+adj.+for+sb.+不定式”表示“做某事對某人來說怎么樣”。 注意：這一句型中常用的形容詞有important（重要的）

28、，necessary（必要的），difficult（困難的），easy（容易的），hard（艱難的），dangerous（危險的），safe（安全的），useful（有益的），pleasant（舒適的），interesting（有趣的），impossible（不可能的）等。 例如，It’s not easy for them to learn a foreign language.（=To learn a foreign language is not easy for them.） It’s very important for students to listen to teacher

29、s carefully.（=To listen to teachers carefully is very important for students.） It’s necessary for us to get to school on time.（=To get to school on time is necessary for us.） 三．形容詞的比較級、最高級 （一）規(guī)則變化 1.一般在詞尾直接加er或est，例如，tall-taller-tallest，long-longer-longest 2.以不發(fā)音的字母e結(jié)尾的單詞在詞尾直接加r或st，例如，nice-n

30、icer-nicest 3.以輔音字母+y結(jié)尾的詞，把y變?yōu)閕，再加er或est，例如，heavy-heavier-heaviest 4.重讀閉音節(jié)，末尾只有一個輔音字母，雙寫這個輔音字母，再加er或est，例如，big-bigger-biggest 5.部分雙音節(jié)詞和多音節(jié)詞分別在原級前加more構(gòu)成比較級和most構(gòu)成最高級，例如， beautiful-more beautiful-most beautiful （二）不規(guī)則變化（見考綱） 一、原級的用法 1.只能修飾原級的詞，very，quite，so，too 例如，He is too tired to walk on.

31、他太累了以至于不能再繼續(xù)走了。 My brother runs so fast that I can’t follow him.我弟弟跑得那么快以至于我跟不上他。 2.原級常用的句型結(jié)構(gòu) （1）“甲+be+ +as+形容詞原級+as+乙”表示“甲和乙程度相同” 例如，Tom is as old as Kate.湯姆 凱特年齡一樣大。 （2）“甲+be+ not+ as/so+形容詞原級+as+乙”甲不如乙… 例如，This room is not as/so big as that one. 這個房間不如那個大。 二、比較級的用法 1. 可以修飾比較級的詞，much，a lot

32、，far，…的多a little，a bit，…一點(diǎn)兒 even甚至，still仍然 例如，Lesson One is much easier than Lesson Two.第一課比第二課容易得多。 Tom looks even younger than before.湯姆甚至比以前更年輕。 This train runs much faster than that one.這輛火車比那輛跑地快。 She drives still more carefully than her husband.她開車仍然比她丈夫還認(rèn)真。 但注意many more 和 much more 的區(qū)別,

33、 many more 后接可數(shù)名詞,而much more 后 接不可數(shù)名詞 2.比較級常用的句型結(jié)構(gòu) （1）“甲+be+形容詞比較級+than+乙”表示“甲比乙…”或“甲比乙…幾倍” 例如，Tom is taller than Kate.湯姆比凱特高。 （2）“甲+be+形容詞比較級+than +any other+單數(shù)名詞（+介詞短語）”表示“甲比同一范圍的任何一個人/物都……”，含義是“甲最……”。 例如，The Yangtze River is longer than any other river in China. =The Yangtze River is longe

34、r than any of the other rivers in China.長江比中國的任何一條其他的河都長。 =The Yangtze River is longer than the other rivers in China.長江比中國的其他所有的河都長。 =The Yangtze River is the longest river in China.長江是中國最長的河流。 注意：The Yangtze River is longer than any river in Japan.長江比日本的任何一條河都長。 (3)“比較級+and+比較級”表示“越來越……”。 　　例

35、如，He is getting taller and taller.他變得越來越高了。 　　The flowers are more and more beautiful.花兒越來越漂亮。 　　He does his homework more and more carefully.他做作業(yè)越來越認(rèn)真了。 (4)“the+比較級，the+比較級”表示“越……，越……”。 　　例如，The more careful you are，the fewer mistakes you’ll make.你越認(rèn)真，犯的錯誤越少。 　　(6)“特殊疑問詞+be+形容詞比較級，甲o(hù)r乙？” 　　例如

36、，Which is bigger，the earth or the moon？哪一個大，地球還是月球？ 　　“特殊疑問詞+實(shí)意動詞+副詞比較級，甲o(hù)r乙？” 　　例如，Who draws better，Jenny or Danny？誰畫得比較好，詹妮還是丹尼？ 　　3.最高級常用句型結(jié)構(gòu) (5)“主語+be+ the+形容詞最高級+單數(shù)名詞+in/of短語”表示“……是……中最……的”。 　　例如，Tom is the tallest in his class./of all the students.湯姆是他們班上/所有學(xué)生當(dāng)中最高的。 　　This apple is the b

37、iggest of the five.這個蘋果是五個當(dāng)中最大的。 　　“主語+實(shí)意動詞+(the)+副詞最高級+單數(shù)名詞+in/of短語”表示“……是……中最……的”。 　　例如，I jump (the) farthest in my class.我是我們班跳得最遠(yuǎn)的。 (6)“主語+be+ one of the+形容詞最高級+復(fù)數(shù)名詞+in/of短語”表示“……是……中最……之一”。 　　例如，Beijing is one of the largest cities in China.北京是中國最大城市之一。 (7)“特殊疑問詞+be+ the+最高級+甲，乙，or丙？”用于三者以

38、上的比較。 　　例如，Which country is the largest，China，Brazil or Canada？哪一個國家最大，中國，巴西還是加拿大？ 　　“特殊疑問詞+be+ the+副詞最高級+甲，乙，or丙？”用于三者以上的比較 　　例如，Which season do you like (the) best，spring，summer or autumn？你最喜歡哪一個季節(jié)，春天，夏天還是秋天？ 形容詞練習(xí) 1 I have _____to do today. 　　A. anything important B. something

39、important 　　C. important nothing D. important something 2 ———Is chemistry more difficult than physics？ 　———No，chemistry isn’t as ____as physics. 　A .easy B. difficult C. easier D. more difficult 3.Beijing is becoming_ ________ and__. 　A. more beautiful，more

40、 B. beautiful，beautiful 　C. more，more beautiful D .more beautiful，more beautiful 4.______ children there are in a family，_____their life will be. 　A. The less，the better B. The fewer，the better 　C .Fewer，richer D. More，poorer 5.The experiment was _

41、_______ easier than we had expected. 　A. more B .much more C. much D. more much 6 Oct 15th was one of ________ days in 2003.The Shenzhou-V was sent up successfully. 　A. exciting B. more exciting C .the most exciting D .much exciting 7.I feel even_____ now. 　A. bad B.

42、 well C. worse D. worst 8..He is taller than_________ in his class. 　A any boy B. any C .any other boy D. some other boys 9. The car is running ________.It seems to be flying. 　A. more and faster B. more and fast C. fast and fast D. faster and faster 10.

43、English is as _____ as Chinese. You should learn it well. 　A. important 　 B. more important 　C. the most important D. much more important 11. Music is not so useful as science. It’s ________ useful than science. 　 A. fewer B. less C more D .a lot 12.You mu

44、st wear glasses. They can keep your eyes______. 　 A. soft B. safe C. safely D. safety 13.He is ______ enough to carry the heavy box. 　 A. stronger B. much stronger C. strong D. the strongest 14.The box is _____ heavy for the girl___ carry. 　 A. too，to

45、 B. to，too C. so，that D. no，to 15.Do you have ____ to tell us？ 　 A. something new B. new something C. anything new D. new anything 16.———Do you think the fish tastes_______？ 　 ———She cooked it______，I think. 　 A good，good B well，good C well，well D good，well I. Cho

46、ice 1. ———Is chemistry more difficult than physics？ 　———No，chemistry isn’t as ____as physics. 　　A .easy B. difficult C. easier D. more difficult 2.Beijing is becoming_ ________ and__. 　A. more beautiful，more B. beautiful，beautiful 　C. more，more beautiful

47、 D .more beautiful，more beautiful 3.______ children there are in a family，_____their life will be. 　A. The less，the better B. The fewer，the better 　C .Fewer，richer D. More，poorer 4.The experiment was ________ easier than we had expected. 　A. more B .much more

48、 C. much D. more much 5.I feel even_____ now. 　A. bad B. well C. worse D. worst 6. The car is running ________.It seems to be flying. 　A. more and faster B. more and fast 　C. fast and fast D. faster and faster 7.English is as _____ as Chinese. You should learn it w

49、ell. 　A. important 　 B. more important 　C. the most important D. much more important 8. Music is not so useful as science. It’s ________ useful than science. 　 A. fewer B. less C more D .a lot 9.He is ______ enough to carry the heavy box. 　 A. stronger B

50、. much stronger C. strong D. the strongest 10.The box is _____ heavy for the girl___ carry. 　 A. too，to B. to，too C. so，that D. no，to 11.———Do you think the fish tastes_______？ 　 ———She cooked it______，I think. 　 A good，good B well，good C well，well D good，well II.Translation 1. Mary 和Kate的年齡一樣大。 2. 這個房間不如那個大。 3. 第一課比第二課容易得多。 4. 湯姆甚至比以前更年輕。 5. 這個街道比那個寬。 10