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英语高二下册第四单元知识点

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  Ⅰ.语言要点

  1.keep my eyes open

  使眼睛睁开着,这是keep跟带形容词的复合结构,例如:

  ①Good food keeps you healthy.

  好的食品使你健康。

  ②Please keep the boy quiet.

  请让这男孩安静。

  另外keep还可以跟带分词、介词短语、副词的复合结构。

  ①She kept we waiting outside.

  她让我在外面等着。

  ②He kept his eyes shut and stayed where he was.

  他闭着眼睛待在原地。

  ③if your hands are cold,keep them in your pockets.

  如果你手冷,把它们放在口袋里。

  ④The cold weather kept in doors.

  寒冷的天气使我们待在家里。

  2.be sure of/to do.

  ①He is sure of success=he is sure that he will succeed.

  ②He is sure to succeed=he will certainly succeed.

  ③I’m sure of the fact.

  我确实相信这件事。

  ④.Be sure not to forget.

  千万别忘记了。

  3.disagree with=not agree

  ①Even friends some times disagree.

  既使是朋友,有时意见也不相同。

  ②The reports from Rome disagree with those from Milan.

  来自罗马的报导与来自米兰的报导不一致。

  ③The climate disagrees with me.

  我不适应这气候。

  4.vary from culture to culture

  The weather varies from very cold to quite mild.

  天气变化从很冷变得相当温和。

  from...to...从……到……

  ①1wanttOknowaboutthisthingkombeginningtOend.

  我想从头至尾了解这件事。

  ②They have always lived from hand to mouth.

  他们一直过着勉强糊口的日子。

  ③She was trembling from head to foot.

  她全身发抖。

  5.There also differences as to how often…

  As to:about concerning关于;至于

  As to your brother,I’ll deal with him later.

  至于你的兄弟,我以后对付他。

  how可以和形容词和副词连用,用于询问句。

  eg:how much,how many,how old,how tall,how high,how long,how soon,how far,how often等等。

  ①Howheavyi8yourschoolbag?

  你的书包有多重?

  ②一How long does the flight take?

  一At least three hours.

  飞行时间需要多久?

  至少三小时。

  ③一How often do you so there?

  ——Twice a month.

  你多久去那儿一次?

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