Section Ⅲ Learning about Language & Using Language重点单词写作词汇1.climate n.气候2.float vi.& vt.(使)浮动;(使)漂浮n.漂浮物3.crash vi.& vt.碰撞;坠落4.gravity n.万有引力;重力5.pull n.& vt.拉(力);拖;牵引力拓展词汇6.gentle adj.温和的;文雅的→gently adv.温和地7.biology n.生物学→biologist n.生物学家8.exhaust vt.用尽;耗尽;使精疲力尽→exhausted adj.精疲力尽的阅读词汇9.lessen vi.& vt.减少;减轻10.weightlessly adv.失重地11.spaceship n.宇宙飞船12.extinct adj.灭绝的;绝种的13.cabin n.小屋;船舱重点短语1.block out挡住(光线)2.get the hang of熟悉;掌握;理解3.watch out for密切注意;当心;提防4.depend on依靠5.cheer up感到高兴;感到振奋6.now that既然7.break out突发;爆发8.as a result of由于……的原因重点句型1.as +adj.+ a/an +n.+ as...:When we get closer to the moon, we shall feel its gravity pulling us, but it will not be as strong a pull as(像……那样大的拉力) the earth’s.2.twice as...as...: But when I tried to step forward, I found I was carried twice as far as(是……的两倍远) on the earth and fell over.3.now that 引导原因状语从句:“Oh dear,” I cried, “walking does need a bit of practice now that(既然) gravity has changed.”Read the text carefully and then choose the best answer.1.The passage mainly talks about ________.1A.what the moon isB.my visit to the moonC.the differences between the earth and the moonD.Li Yanping, my friend, who is an astronomer2.Why can’t the spaceship fall back to the earth?A.Because the moon’s gravity pulls it up.B.Because it is too far away from the earth.C.Because the earth has no gravity.D.Because the spaceship is not very heavy.3.When I was on the moon I felt I was ________ than I am on the earth.A.slowerB.heavierC.clevererD.lighter4.If a baby is growing on the moon, when he grows up, he will grow ___...