浙江省象山中学高中英语《Unit4 Astronomy speakingreading and writing》导学案（无答案）新人教版必修3

Unit4 Astronomy speaking，reading and writing学习目标：1. Giving instructionsPlease look at/ listen to Please check that You needPlease pay attention to Dont forget to Youd betterMake sure you Watch out for You mustnt2. Talking about problems in study or lifeMy problem /trouble is The difficulty/question isMy advice/suggestion is What I think about it is The fact is学习重点：To help Ss to master some new words and expressions自主学习Read the text carefully and choose the best answer.1. The passage is mainly about _?A. introduction of the moon B. the gravity that I felt on my way to the moonC. my visit to the moon D. my friend Yanping, an astronomer2. According to the text, we know that the force of the gravity would change _ times.A. 2 B. 3 C. 4 D. 53. When did the author feel strongest of the gravity of the earth?A. On the moon. B. On the half way to the moon.C. At the very beginning D. On their leaving from the moon4. From the text we can know if a man grows up on the moon, _.A. he will grow taller than on the earth B. he will grow shorter than on the earthC. he will become fatter D. he will become weightless我的疑惑：合作探究But when I tried to step forward, I found I was carried twice as far as on the earth and fell over. 而当我试着向前迈步的时候，我发觉我被送出去很远，步子的跨度竟是在地球上的两倍，因而我摔倒了。倍数表达常用方法1) “A + be + 倍数 + as +形容词原级+ as + B”.This tree is three times as tall as that one.2) “A + be + 倍数 +形容词比较级 + than + B ”The Yangtze River is almost twice longer than the Pearl River.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.即时演练1. Peters jacket looked just the same as Jacks, but it cost _ his.A. as much twice as B. twice as much asC. much as twice as D. as twice much as2. According to statistics, a man is more than twice as likely to die of skin cancer _ a woman.A. than B. such C. so D. as随堂练习.英汉短语互译1 now that _ 2break out _ 3depend on _4a chain reaction _ 5在陆地上 _ 6不再 _7._you are busy, let me do it for you. 既然你忙, 就让我给你做吧。8. _(人群欢呼起来)when they saw the team arrive.选择正确选项1.Dont put the chair too _to the stoveDry wood _fire easily，you knowAclose：catches Bnear；makes Cclosely；takes Dnearly；burns2. The supermarket was on fire_500 people were caught in it，as was reportedAAs many as BAs much as CAs well as DAs far as3 At last, I made up my mind to speak the truth _of the whole class.A. in the present B. at the present C. in the presence D. at the presence4. The boy that his cock an egg yesterday.A. lied, lay B