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广州新版八年级上册Unit3ComputersVIP免费

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1 / 14 Unit 3 Computers 课文重难点详解1. In the 1940s, the first computers were bigger than cars. in the 1940s意为 “在 20 世纪 40 年代 ”,例:在 20 世纪 50 年代表示在某个年代初期或末期,可以在年份前加early 或 late. 例: in the early 1940s 2. You may be unaware of them. be unaware of 意为“未察觉,没有意识到 ”译:那个男孩没有意识到危险。3. There is probably one inside your TV or washing machine. one 此处用作代词,用于泛指前面提到过的名词。辨析: one 和 it 例 :The banana pie tastes delicious. Could I have another ? A one B it C this D that 4. You depend on computers more than you realize. depend on意为 “依靠,指望 ”,主语可以是人,也可以是物,其含义有所不同。人依靠depend on 物取决于dependent adj. 依赖的, 反义词: independent “独立的 ” depend on = be dependent on 译: she depends on us to help her. Our plan depends on the weather. one 泛指上文提到的同类事物中的一个I lost my pen. I must buy one. it 特指上文提到的同一物品The coat is hers. It’s very beautiful. 2 / 14 5. Computers almost never give wrong answers. almost never = hardly 意为 “几乎不 ”辨析: hardly 和 hard hardly “几乎不 ”Alice hardly wears skirts. hard “努力地,困难地,猛烈地 ”It rained very hard last night. 6. However, one day computers may be able to do a better job than human beings. be able to 意为 “能够 ”,后接动词原形。7. Will we have nothing to do? to do 为动词不定式,此处用来修饰nothing,如果不定式中的动词是不及物动词,需要带上必要的介词。例: Do you want something to drink ? There is a warm clothes to live in . 例: ---Why don’t you go out to play, Rose?---I ’m afraid I can’t. I have much homework . A do B does C doing D to do 8. What were the first computers like? What + be + 主语 + like? 意为 “......怎么样? ”, ...

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广州新版八年级上册Unit3Computers

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