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知识精讲
(一)重点单词
1.surround vt &vi
知识拓展：
surrounding环境;
1) vt. & vi. 测量;衡量;判定
2)n. 计量制;
Please make a suit to my measure.
请按照我的尺寸做一套西服。
We should take effective measures to improve our teaching.
我们应当采取有效的措施提高教学质量。
3. aboard prep. & adv.在(船、飞机、 火车或公共汽车)上; 上(船、飞机、火车或公共汽车) They were all aboard the ship last night.
昨天夜里他们都在船上。
The plane crashed killing all 157 passengers aboard.
飞机坠毁，机上157名乘客全部遇难。
We finally went aboard.
我们终于上船了。
知识拓展：
When all passengers were on board, the train pulled out of the station.
所有乘客都上车后，火车开出了车站。
4. within
(1) (表示位置) 在……里面;在……内部
吵闹声好像是从楼房里传出来的。
(2) (表示时间、距离)在……之内
(3)(表示范围、程度)
It wasn‘t within
5. mix
(1
(2)n. 混合，掺合
他的第一反应很奇怪, 知识拓展：
mixture混合物，
6. distance n. 距离; The distance from the school to the station is two miles.
学校到火车站的距离是两英里。
知识拓展：
常见的与distance搭配的短语
The park is within walking distance of my house .
公园离我家只有几步之遥。
Oil painting is to be appreciated at a distance.
油画要在一定的距离外欣赏。
You can see the mountain in the distance.
你可以看见远处的山。
We spotted them at a distance of two hundred yards.
我们在相距200码处就看到了他们。
Keep your distance from him.
你不要和他太亲近。
It is hard to know her well because she always keeps others at a distance. 很难了解她，因为她总是和别人保持着距离
7. terrify vt 使恐怖, 使惊吓, 恐吓
That sort of thing terrifies people.
那样的事令人感到恐怖。
知识拓展：
terrified adj.惊恐的，恐怖的 terror n.恐惧;恐怖 He was terrified at the accident.
他被这场事故吓坏了。
8. impress vt
impressive adj.
praise.
即学即用：
A. downtown B. in the downtown C. in downtown D. at downtown
2. —Are you worried about his safety?
—Only ______.
A. gradually B. broadly C. slightly D. extremely
3. It‘s far away from here and it‘s certainly not ______walking distance.
A. within B. at C. around D. on
4. On hearing the _____voice, the little girl became ______.
A. terrifying ; terrifying B. terrifying ; terrified
C. terrified ; terrified D. terrified ; terrifying
5. The discovery seems to _____that people lived here over 10,000 years ago.
A. recognize B. understand C. confirm D. permit
6. After the explosion the army got the building _____and the _____area was also cut off from the outside.
A. surrounded ; surrounded B. surrounding ; surrounding
C. surrounding ; surrounded D. surrounded ; surrounding
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