人教版高中英语必修三 Unit4 Astronomy the science of the stars reading2 课件（共22张PPT）

课件22张PPT。a visit to the moonReading 2spacewalk★Look at the pictures! ★ Write down the three ways in which gravity
changed for Li Yanping.Reading I----scanning& skimming (2m)3. It became very light.The gravity became very strong.2. The gravity disappeared. His weights changed three times too.
Now write them down.He became very heavy.He had no weight and could float around like a feather. He was about one-sixth of his weight on the earth. 1. ... “walking does need a bit of practice now that gravity has changed.”
......既然引力改变了，走路也的确需要练一练了。 now that同since相似，语气较弱，强调人们已知的事实。Translation:
1. 既然你忙, 就让我给你做吧。
Now that you are busy, let me do it for you.
2. 既然人都齐了, 咱们开始干吧。
Now that everyone is here let’s start work． 2. We watched, amazed as fire broke out on the outside of the spaceship as the earth’s gravity increased.
break out
它与happen, take place, come out等词的用法一样，是不及物动词，不能带宾语，不能用于被动语态。 1) 战争爆发
　　The American Civil War broke out in 1861.
美国内战爆发于1861年。
2) 发生争吵
　　A quarrel broke out between them.
他们之间发生了争吵。3) (火灾)发生
　 A?fire?broke?out?in?his?house?last?
night.?
昨晚他家里失火了。
与break相关的短语:
break down
打破; 毁掉; 破除; 坍塌; 坏掉
break in
破门而入; 打断7. cheer up; cheer sb. up
感到高兴振奋
8. masses of 许多，大量
9. get the hang of 熟悉,掌握,理解
10. exhausting (sth); exhausted (sb)1). “A + be + 倍数 + as +形容词原级 + as +
B”.
This tree is three times as tall as that one.
His father is twice as old as he.
2). “A + be + 倍数 +形容词比较级 + than +
B ” 3. But when I tried to step forward I found I was carried twice as far as on the earth and fell over. The Yangtze River is almost twice longer than the Pearl River.
长江差不多比珠江长两倍。
The number of students in our school is three times larger than that in theirs.
　?? 我们学校的学生数量比他们学校的多三倍。 3). “A + be + 倍数 + the +名词 (size, length, amount) + of + B”
The newly broadened square is four times the size of the previous one. 新扩建的广场是未扩建时的四倍大。 — Do you regret _______(pay) 100 dollars for the painting?
— No, I would gladly have paid __________ (两倍那么多了)for it.
　　
　　( paying; twice as much) 4.get the hang of sth.查看某物运作了解…..的意义我一直想知道这部新的打字机的用法.I’ve been trying to ______________ this new typewriter.我不十分了解你的论据的意义.I don’t quite __________________ your argument.get the hang ofget the hang ofWe watched amazed as fire broke out
on the outside of the spaceship
as the earth’s gravity increased.5.amazed 是过去分词，此处做状语用 他进来的时候没有人注意到.
He came in _________ .6.break out (战争,争吵,疾病等)爆发在深夜,突然有人吵架.
_________________ suddenly at midnight.A quarrel broke outunnoticedHomework 1.背诵P26最后一段,明天检查.
2. 完成英语周报35期的单词拼写和短文改错
3.作业本B P25 ExII
4. 名词性从句(1),明天上交