Unit 4 Astronomy: the science of the stars[写得准][用得活][积得多]1.fundamental adj. 基本的;基础的2.astronomy n. 天文学3.crash vi.& vt. 碰撞;坠落4.system n. 系统;体系;制度5.theory n. 学说;理论6.atmosphere n. 大气层;气氛7.thus adv. 因此;于是8.pull n.&vt. 拉(力);拖;牵引力9.float vi.&vt. (使)浮动;(使)漂浮n. 漂浮物10.harmful adj.有害的→harm n.害处 vt.对……有害11.violent adj.猛烈的;激烈的;强 暴 的 → violence n . 暴 力→violently adv.猛烈地;激烈地12.puzzle vt.&vi.(使)迷惑;(使)为难 n.谜;难题→puzzling adj.令人迷惑的→puzzled adj.迷惑不解的13.unlike prep.不同;不像→like (反义词)prep.像→dislike v.& n.不喜欢14.exist vi. 存 在 ; 生 存→existence n.存在15.globe n.球体;地球仪;地球→global adj.全球性的;全世界的16.religion n.宗教;宗教信仰→religious adj.宗教的用所给词的适当形式填空1.Unlike (like) most people in the office who come to work by car, I usually come to work by bus.2.We live in a global (globe) village, but this doesn’t mean that we all behave in the same way.3.Do you believe the existence of ghosts? Perhaps they only exist in the minds of some people.(exist)4.Last night we had a discussion, which became more and more violent. Finally we reached an agreement that we will never use violence whatever happens.(violent)5.There was a puzzled look on the little girl’s face because a puzzling problem puzzled her.(puzzle)6.Playing computer games will not only do harm to your physical health, but 1.与“太空”有关的高频单词集锦①astronomy n. 天文学②astronaut n. 宇航员③gravity n. 万有引力④satellite n. 卫星⑤orbit n. 轨道⑥spaceship n. 宇宙飞船⑦universe n. 宇宙⑧launch vt. 发射2.各种“碰撞”聚焦①crash v . 碰撞;坠落②bump n . &v. 撞 ; 碰 撞(声)③collide v. 碰撞;相撞④collision n. 撞击;碰撞⑤run into 撞上⑥knock into 撞上3.un前缀高频形容词...