广州新版八年级上册Unit3ComputersVIP免费

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？ ”, ...