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八年级英语Chapter 4语法重难点讲解2

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标签:人教版八年级英语教案,初中英语教案,http://www.yf1234.com 八年级英语Chapter 4语法重难点讲解2,
  e.g.: However, they nearly all counted in the same way-in tens. 然而,他们几乎都用相同的方式数数,都是十进制。
  In this way, he has begun his own private “telephone“ service.
  就这样,他开始了自己的私人电话业务。
  Please answer my questions in different ways. 请用不同的方式回答我的问题。
 3. The system of numbers that nearly everyone uses today consists of the numbers from 1 to 9 and 0.现在几乎每个人所使用的数字系统包括数字1-9和0。
  consist of 由......构成,相当于 be made up of.
  e.g.: The football team consists of 11 members 。足球队由11个队员组成。
  The medical team is made up of three doctors and five nurses.
  医疗队由三个医生和五个护士组成。
 4. The Indians first invented and developed the 1 to 9 system of numbers.
  印度人首先发明并发展了1-9的数字系统。
  (1)invent 做动词,意为发明。invention 是(发明),inventor(发明家)
  (2)invent 与discover的区别:
  invent 指发明原来不存在的东西。discover指发现原来就存在但是一直不被认识的东西。
  e.g.: Bell invented the telephone in 1876. 贝尔在1876年发明了电话。
  Who discovered American in 1492? 是谁在1492年发现了美洲大陆?
 5. Abacuses are so fast and accurate that people still use them today.
  算盘运算又快又准确,以至于现在人们仍然在使用它。
  so ...that:......如此......以至于...... so 是副词,后面接形容词或副词。如果后面跟的是名词,要用such...that..。
  e.g.: She is so weak that she can‘t carry the box.
  =She is too weak to carry the box.
  她如此虚弱以至于搬不动那个箱子。
  He is such a clever boy that everyone here loves him.
  他是如此聪明的孩子,以至于这里的每个人都很喜欢他。
 6. Computers are very powerful calculating machines.
  =Computers are very powerful machines that can calculate.
  电脑的运算功能非常强大。

八年级英语Chapter 4语法重难点讲解2由www.yf1234.com收集及整理,转载请说明出处www.yf1234.com
www.yf1234.com  7. Some people call the brain a living computer.一些人把大脑称为活电脑。
  call: 称呼,叫,接复合宾语形式: call+宾语+名词(补语),是称某人为......
  e.g.: We call him Tom .我们叫他汤姆。
 8. Shakuntala Devi is a lady from India with an amazing brain.
  沙昆塔拉·戴维是一名有着令人惊异的头脑的印度女士。
  amaze(v.)使吃惊。 amazement(n.)不可数,惊异,诧异
  amazing 与amazed 都是形容词,区别是:
  amazing 令人惊异的,amazed感到惊异的
  e.g.: I was amazed to find that he had got 100 marks.由于他拿到100分,所以我感到吃惊。
  The news was amazing.
 9. Shakuntala‘s brain took fifty seconds to find the answer.
  =It took Shakuntala‘s brain fifty seconds to find the answer.
  =Shakuntala spent fifty seconds to find the answer with her brain.
  cost, spend, pay, take 都有:花费的意思,但用法不同。
  cost 用于金钱,时间,主语是物,宾语是人
  spend 用于金钱,时间,主语是人,后加介词on,in
  pay 用于金钱,主语是人,后加for
  take 用于时间,主语通常是物,后可加不定式,用it作形式主语。


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