范文村必修3第四单元A visit to the moon导学案
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必修3第四单元Avisittothemoon导学案
第四课时 a visit to the moonteaching aims:to read and understand the text.to master the new words and useful expressions.课前预习：一.单词学习1.拉力；牵引力 2.宇宙飞船 3.欢呼 4.漂浮 5.团；块；质量 二.词组学习1.为……欢呼 2.既然 3.熟悉；掌握 4.做一次旅行 5.爆发 课堂学习task 1: fast readingask the students to read the passage and then describe three ways in which gravity changed for li yanping and how his weight changed. the way gravity changed how his weight changedleft the earth in space 2必修3第四单元Avisittothemoon导学案
on the moon task 2: careful readingget the students to read the passage again carefully and underline the useful expressions.1.li yanping explained to me that the force of gravity would change three times on our journey… 2.i cheered up immediately and floated weihttlessly…3.last month i was lucky enough to have a chance to make a trip …4.‘walking close need a bit of practice now that gravity has changed.’task 3 language points 1.twice as far as表示倍数，例句:the road is twice as wide as that road.这条路是那条路的两倍宽。相关链接:此类相似结构还有:倍数+比较级;倍数+what;倍数+抽象名词等。例如:what i get is twice more than mr wang.我所得比王先生多两倍。the room is twice the size of my brother’s room.这屋子是我哥哥屋子的两倍大。2. break out 战争（火灾等不愉快事情）发生例句:several scuffles broke out in the crowd.人群中发生了几场混战。when the fire broke out,many workers had escaped.火灾发生时，很多工人早已逃走了。相关链接:break in 打断，侵入，打岔break up 拆散，打碎break down 分解，不成功，毁坏break into 闯入;破门而入break through 突破（障碍），显现break away from 逃走，从……中脱离随堂检测根据首字母提示，填写所缺单词的正确形式。1.the bird flu was s in the city.2.the crowds c up when they saw the team arrive.3.the stone rolled down the hill by the g .4.o is meccessary for all forms of life.5.the enemy boat was f aimlessly on the sea.单项填空1. the house rent is expensive.i have got about half the space i had at home and i am paying ______ here.a.as 3 times muchb.as much three timesc.much as 3 timesd.3 times as much2. in dry weather the flowers will have to be watered if they _____.a.have survived b.are to survivec.would survive d.will survive3. _____ your father have bought a new bike for you,it’s no use going to the shop to buy another one.a.now that b.althoughc.after all d.because of4. the heavy rain _____ us visiting the attractive lake,but we didn’t _____.a.prevented;lose the heartb.prevented;lose heartc.kept;lose the heartd.kept;lose the hearthomeworkread the text.revise the useful expressions.