新概念英语第二册48课讲解与课后答案

更新时间:2023-07-11 14:57:57 阅读: 评论:0

来电转接新概念英语第二册第48课课文重难点 Further notes on the text
        1Dentists always ask questions when it is impossible for you to answer. 牙科医生们总是在你无法作出回答的时候向你提出问题。
  在when引导的时间状语从句中,it为先行主语,代指后面的不定式,for+人称代词/名词说明不定式表示的动作是谁做的:
  It is not hard for you to help them. 你帮助他们并不难。
  It was a mistake for me to come to the party. 我来参加晚会是错误的。
  impossible通常不以人作主语,而以不定式或从句作主语:
  It is impossible for him to help you. 他不可能帮你。
  It is impossible that he will help you. (译文同上)
  2In answer to the questions I either nodded or made strange nois. 作为对这些问题的回答,我不是点头,就是发出奇怪的声音。
  (1in answer to为固定短语,在这里表示"作为对……的回答"
  In answer to my question, Dan shook his head.激的成语 作为对我的问题的回答,丹摇了摇头。
  这个短语的另一个含义是"响应……的请求"
  In answer to my request, he wrote a letter to George. 应我的请求,他给乔治写了封信。
  (2made strange nois, 发出奇怪的声音。"出纳的工作内容和职责"并不是有意发出这些声音,而是因为嘴里有药棉,又想回答医生的话造成的。
  3Meanwhile, my tongue was busy arching out the hole where the tooth had been. 与此同时,我的舌头正在忙着寻找刚拔掉的那颗牙的伤口。
  (1)副词meanwhile表示"在此期间""与此同时"
  He won't come until ten o'clock. Meanwhile you can have a rest. 他10点以前不会来。在此期间你可以休息一下。
  Mary was talking to me about her new dress. Meanwhile I was thinking about something el.坦诚 玛丽在和我讲她的新衣服。与此同时我却在想着其他事情。
  (2arch out表示"找出""查出""搜出"等:
  Have you arched out the books I needed? 你找出我需要的书了吗?
  (3where the tooth had been用的是过去完成时,因为在描述这件事的时候那颗牙已经不在了。牙齿尚在的时间是"过去的过去"
  4When the dentist at last removed the cotton wool from my mouth… 当那位牙医最后将药棉从我嘴中取出时……
艾叶泡澡  remove可以表示"拿去""除去""去掉",通常结构为"remove +名词+from";它也可以单独使用:
  I've removed that picture from the wall. 我已经把那幅画从墙上拿走了。
无可匹敌  Plea remove your hat. 请摘下你的帽子。
  语法 Grammar in u
  复习第2645课的部分语法
  It is one of the ugliest faces(that) I have ever en. 这是我见过的最丑陋的头像之一。(that在关系从句中作宾语,可省略)
  There aren't many students who sing as well as she does. 在学生当中没几个人唱歌像她那么好。(who服装行业发展趋势在关系从句中作主语,不可省略)
  People are not so honest as they once were. 人们不再像以前那样诚实了。(not so/ asas用于比较状语从句)
  He had hardly had time to ttle down when he sold the hou. 他还没等安顿下来就卖掉了房子。(hardlywhen用于过去完成时)
  No sooner had I sat down than he came in. 我刚坐下他就进来了。(no soonerthan用于过去完成时;否定词位于句首时句子要倒装)
  The box was so heavy that she couldn't lift it. 箱子太重了,她搬不起来。(so+形容词+that表示"如此……以至于"
  The thief got such a fright that he dropped the bag. 那个小偷吓得把提包都扔了。(sucha+名词+that表示"如此……以至于黑板英语怎么读"
  Billy is not at home at prent. He's at school. 比利现在不在家,他在学校。(at+名词的用法)
  词汇学习 Word study
  1pull vt.,vi.
  (1)拉,拖,牵,扯:
  I felt someone pulling my arm. 我觉得有人在拉我的胳膊。
  They pulled the heavy bag into a room. 他们把那个重袋子拖到一个房间里。
  You have to pull hard. 你得用力拉。

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