book3unit 4 小课文.ppt

Find out how the gravity changed for Li Yanping in different times. Careful reading The time The gravity changed Left the earth In space On the moon 3. The gravity became very ______. The pull of gravity became very ______. 2. The gravity____________. The force of gravity would change three times on their journey. strong disappeared light The time The weight changed Left the earth In space On the moon He became ___________. He had _________ and could float around like a feather. He was about ___________ of his weight on the earth. His weights changed three times too. Now write them down. very heavy no weight one-sixth have a chance to make a trip explain to sb. feel as if … get close to sth. cheer up as far as now that after a while get the hang of return to the earth be exhausting but exciting. 有机会去旅行 向…解释 感觉像… 接近… 欢呼 既然 过了一会,不久 得知 ... 的要领 回到地球 筋疲力尽但是令人兴奋 就 ... 而言, 远到..., 到 ... 程度 The earth’s atmosphere Big Bang stars atoms other bodies the earth: a cloud of dust a solid globe nitrogen carbon water vapour other gases water small plants in water shellfish oxygen all sorts of fish green plants on land Land animals(insects, amphibians) forests reptiles dinosaurs mammals human beings according to a widely accepted theory begin with in all directoins in time dissolve harmful gases into the oceans made it adj. for sb. to do all sorts of lay eggs exist on the earth give birth to in one’s turn prevent from escape from as a result of .. depend on 根据 一个广泛接受的理论 以…开始 到四面八方 及时，终于 把有害气体融进海洋 使做sth.对sb.来说 各种各样的 下蛋 存在于地球上 生产，分娩 轮到某人 阻止...制止 逃离，逃脱… 作为…的结果，由于 依赖，依靠 运动对健康是绝对必要的。 Exercise is fundamental to good health. ?必须苦干才能成功。 Hard work is fundamental to success. 在这单元，老师以一个笑话开始。 In this unit, the teacher began with a joke. 认识从实践开始。 Knowledge begin with practice.? 你抽烟对你的小孩有危害。 Your smoking can be harmful to the health of your children. 躺在床上看书对你的眼睛是有害的 Reading in bed will do harm to your eyes. 米勒夫人马上就要生小宝宝了。 Mrs. Miller will soon give birth to a new baby. 这又