【精品教学备课】高中英语（人教版）必修三课件：Unit4Astronomythescienceofthestars（考点要求+自主学习+写作步步高）.ppt

Unit 4 Astronomy : the science of the stars ;考点要求;Ⅰ.写出下列必考单词 1.大气层n. _____________ 2.乘，增加v. _____________ 3．人造卫星n. _____________ 4.不同，不像prep. _____________ 5.气候n. _____________ 6.地心引力；重力n. _____________ 7.理论n. _____________ 8.碰撞，坠落v. _____________ 9.宇宙飞船n. _____________ 10.拉力，拖，牵引力n.＆v. _____________;11.基本的，基础的adj. _____________ 12.链子，锁链n. _____________ 13.天文学n. _____________ 14.原子n. _____________;Ⅱ.写出下列单词的变化形式 1.系统(n.)_____________；系统的(adj.) _____________ 2.球体，地球(n.)_____________；全球性的(adj.) _____________ 3.猛烈的(adj.)_____________；暴力(n.) _____________；猛烈地(adv.)_____________ 4.生存(v.)_____________；生存(n.) _____________ 5.物理学家(n.)_____________；物理(n.) _____________；身体的(adj.)_____________;6.生物学(n.)_____________；生物学家(n.) _____________ 7.宗教（n.）_____________；宗教的（adj.）_____________ 8.原子（n.）_____________；原子的（adj.）_____________;◆活学活用 用所给单词的适当形式填空。 1.The treatment they gave him did him more___________ than good，though the doctor insisted it was ___________. (harm) 2.Air _____________everywhere and its ____________ makes it possible for us to live on. (exist)  3.He is very _____________.For example，the lifting device he made is a _____________ of ropes and pulleys. (system) 4.A _______tour means traveling all around the ________ . (globe);5.The use of _____________against the attackers led to more __________ clashes. (violently) 6.She was a _____________woman who wouldn，t hurt an ant. (gently);Ⅲ.翻译下列必背短语 1.及时，终于 _______________ 2.下蛋 _______________ 3.高兴,振奋 _______________ 4.产生，分娩 _______________ 5.轮到某人