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八年级英语Yang Liwei’s Mission to Space教案2

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Unit 11 Yang Liwei‘s Mission to Space
Lesson 3
(一)大声读单词
1. gun n. 炮,枪
 2. fence n. 栅栏,围墙
 3. triangle n. 三角形

(二)重点词汇
 1. gun
  要点:
  n. 炮,枪
soldiers carry guns 士兵扛着枪
jump the gun 抢跑,未获允许先行动
 2. fence
  要点:
  n. 栅栏,围墙
The fence kept the dog in the yard. 栅栏把狗圈在了院子里。
sit on the fence 骑墙观望
  vt.
  1)用墙(栅栏或篱笆)围起来(about, in, round, up)
minds that were fenced round with dogma 被教条束缚住的思想
  The cattle are well fenced out.牛群被妥善地用栅栏隔开了。
  2)防御[护], 保卫(from, against)
  vi. 击剑\;舞剑
I plan to learn fencing. 我打算学习击剑。
 3. triangle
  要点:
  n.
  1)[数]三角形,
acute triangle锐角三角形
right triangle直角三角形, 勾股形
  2)三人一组,
  3)三角关系
  知识拓展:tri- (三)+angle角
  tri 表示“三倍、三次“之义。

(三)重点解析:
介词from...to..., through, over的用法
from...to..., through, over都可以表示方向。from...to...表示从......地方到......地方\;through表示穿过(某一空间),贯通\;over有表示在......上方的含义。
  例如:from the beginning to the end 从头至尾
The train goes from Paris to Rome. 火车从巴黎开往罗马。
The lamp hung over the table. 那盏灯悬挂在桌子上方。
  They talked over our heads.他们讲得我们莫名其妙。
  We walked through the market to the truck park.
  我们穿过市场到了卡车停车场。
  travel through the country游遍全国
  The Song Hua River runs through Harbin. 松花江流经哈尔滨市。

【典型例题】
 1. The space center is more than 25 kilometers from here.
A. hundred B. hundreds C. hundreds of
 2. When she takes the train, Susan likes to go mountains.
A. on B. over C. through
 3. The river runs the city.
A. on B. over C. through
 4. you could fly there to see your hero.
A. May be B. Maybe C. May
 5. The rocket was the space center.
  A. launching from B. launched in C. launched from

【参考答案】
 1. A 2. B 3. C 4. B 5. C

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