高中英语 Unit 4 Astronomy the science of the stars Part Ⅱ Learning about Language Using Language教学案 新人教版必修3-新人教版高一必修3英语教学案VIP专享

Part Ⅱ Learning about Language & Using LanguageⅠ.重点单词1．____________ vi.&.vt.(使)浮动；(使)漂浮n. 漂浮物2．____________ n．&vt.拉(力)；拖；牵引力3．____________ n．卫星；人造卫星4．____________ vi.&vt.碰撞；坠落5．____________ n．气候6．____________ n．万有引力；重力7．____________ n．宇宙飞船[答案] 1.float 2.pull 3.satellite 4.crash5．climate 6.gravity 7.spaceshipⅡ.词汇拓展1．____________ n．生物学→____________ n．生物学家2．____________ adj.温和的；文雅的→____________ adv.温和地3．____________ n．物理学家→____________ n．物理学→____________ adj.物理的；物理学的；体力的4．____________ adj.灭绝的；绝种的→____________ n．灭绝；绝种5．____________ adv.失重地→____________ adj.失重的[答案] 1.biology; biologist 2.gentle; gently3．physicist; physics; physical 4.extinct; extinction5．weightlessly; weightlessⅢ.重点短语1．既然 ________________2．结果 ________________3．感到高兴；感到振奋 ________________4．挡住(光线) ________________5．熟悉；掌握；理解 ________________6．break out ________________7．watch out for ________________8．make a trip ________________9．get close to ________________10．fall over ________________ [答案] 1.now that 2.as a result 3.cheer up14．block out 5.get the hang of 6.(战争、火灾、疾病等的)突发；爆发 7.密切注视；当心；提防 8.去旅行9．接近；靠近 10.跌倒；摔倒Ⅳ.重点句式1．as＋adj.＋a/an＋n.＋as...“像……一样的……”When we get closer to the moon, we shall feel its gravity pulling us, but it will not be ________________ the earth's.当我们更接近月球时，就会感到月球的引力在拉我们。但是，月球的引力不像地球的引力那么大。2．倍数＋as＋adj./adv.原级＋as...But when I tried to step forward, I found I was carried ________________ on the earth and fell over.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。[答案] 1.as strong a pull as 2.twice as far asⅤ.课文理解1．The passage is...