高中英语（M3）教学资料-unit 4 M 3 using language.pptVIP

Fast reading 1.How many times did the force of gravity change on their journey? Three times. Read the passage and write down three ways in which gravity and weight changed for Li Yanping. Discussion: How do you understand “ Leaving the moon’s gravity was not as painful as leaving the earth’s. But returning to the earth was very frightening” ? That is because the gravity of the moon is less than that of the earth and thus it is not painful. 1. a visit to the moon = the jouney… pay a visit to sp. = visit sp. (n.) (vt.) call at sp. = drop in at sp.拜访某地 call on sb. = drop in on sb.拜访某人 4.explain sth to sb. = explain to sb sth explain to sb that …向某人解释 5. the force of gravity 重力 6.宾语从句第二个that不省略 7. be off 离开;动身 I must be off now. 2. have a chance to do sth take / catch a chance 抓住机会 miss / lose a chance 失去机会 3.make a trip into space 作一次太空旅行 send … up into space 把…送入太空 carry … up into space 8.escape the pull of the earth’s gravity 9.fall to the ground 落到地上 10. When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as the earth’s. get /become /be close to 靠近 feel sb doing sth A is (not) as +adj. + a + n. as B He is not as / so good a boy as Tom. 11. cheer (sb.) up （使）感到高兴 12. float weightlessly around 飘来飘去 13.climb down the steps 14.step forward 向前迈步 15.. 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，步子的跨度竟是地球上的两倍，因而我摔倒了。 英语常见倍数的表示句型： 1). 倍数+ as + adj./adv. + as “是……的几倍” My room is twice as large as his. 2). 倍数+ adj./adv.比较级+ than “比……(多/大)几倍” My room is twice larger than his. 3). 倍数+ the +表示长度/高度/宽度等的名词+ of “是……的长度/高度/宽度几倍” My room is twice the size of his. 注意：此结构中常用的名词有：size, height, weight, length, width depth等。例如： [练习] 完成句子或翻译。 这把尺子是那把的三倍那么长。 This ruler is three times as long as that one. = This ruler is three times