Unit 4 Astronomy: the science of the stars 单词学案 No._1_教师寄语:Love is ever the beginning of knowledge as fire is of light. 知识总是从爱好开始,犹如光总是从火开始一样。单词自主学习学案英汉互译:天文学______ 系统,体制,制度______ 太阳系____________ 宗教,宗教信仰________ 学说,理论________ 原子 ________万亿,十亿 ______球体,地球仪,地球__________ 猛烈地,激烈的, 强暴的________及时,终于____________ 碳__________ 大气层,气氛____________不同,不像_________ 基本的,基础的__________ 有害的 _________酸 ________链子,连锁,锁链___________ 乘,增加__________ 氧 _______下蛋 _________存在,生存__________ 产生,分娩 ______________因此,于是______ 轮到某人,接着________________ 二氧化物_____________ 二氧化碳 ____________阻止,制止_____________ 谜,难题 __________生物学____________ 生物学家____________ 重力_____________卫星,人造卫星___________ 温和的,文雅的____________ 物理学家_________ 挡住(光线)__________ 气候_________ 碰撞,坠落 _________宇宙飞船 _____________拉,托,牵引力__________ 感到高兴,感到振奋______ 使浮动,使漂浮__________ 既然___________ 突发,爆发 ___________密切注视,当心,提防_____________Astronomer____________ solar___________ Big Bang____________global________ nitrogen__________ vapor_________ presence_________ dissolve_________ reaction___________ shellfish_________ amphibian______ reptile__________dinosaur____________mammal___________geologist________ extinct __________comet_________ lessen___________ weightlessly_________ cabin___________ get the hang of__________ exhaust____________单词课内探究学案1. system n.[c] 系统;体系;制度;方法 systematic adj. 有系统的; 有条理的The solar system includes the sun and its eight planets. 太阳系包括太阳和它的八颗行星。The ______ ______ (教育系统) operates very differently in the US and China.2.in time 及时;最终;迟早 [典例] 1). They caught the bus in time. 他们及时赶上了汽车。2). If...