1、温馨提示： 此套题为Word版，请按住Ctrl,滑动鼠标滚轴，调节合适的观看比例，答案解析附后。关闭Word文档返回原板块。Unit 4Astronomy: the science of the stars Part 1巧记考纲单词. 核心单词熟写1. astronomy n. 天文学2. system n. 系统; 体系; 制度3. billion pron. &n. & adj. 万亿; 十亿4. atmosphere n. 大气层; 气氛5. unlike prep. 与不同; 不像6. fundamental adj. 基本的; 基础的7. chain n. 链子; 连锁; 锁链8.
2、multiply vi. & vt. 乘; 增加9. thus adv. 因此; 于是10. gravity n. 万有引力; 重力11. gentle adj. 温和的; 文雅的12. climate n. 气候13. crash vi. & vt. 碰撞; 坠落14. spaceship n. 宇宙飞船15. pull n. & vt. 拉(力); 拖; 牵引力16. float vi. & vt. (使)浮动; (使)漂浮n. 漂浮物. 拓展单词会用1. religion n. 宗教; 宗教信仰religious adj. 宗教上的2. theory n. 学说; 理论theoretic
3、al adj. 理论的; 理论性的3. violent adj. 猛烈的; 激烈的; 强暴的violence n. 暴力violently adv. 猛烈地4. harm n. & v. 伤害harmful adj. 有害的harmless adj. 无害的5. exist vi. 存在; 生存existence n. 存在; 生存6. puzzle vt. & vi. (使)迷惑; (使)为难 n. 谜; 难题puzzled adj. 迷惑不解的puzzling adj. 令人迷惑的7. biology n. 生物学biologist n. 生物学家 8. globe n. 球体; 地球仪;
4、 地球global adj. 全球性的; 全世界的Part 2闪记重点短语1. in time 及时; 终于2. lay eggs 下蛋3. give birth to 产生; 分娩4. in ones turn 轮到某人; 接着5. prevent . . . from 阻止; 制止6. block out 挡住(光线)7. cheer up 感到高兴; 感到振奋8. now that 既然9. get the hang of 熟悉; 掌握; 理解10. break out 突发; 爆发11. watch out for 密切注意; 当心; 提防Part 3速记经典句式1. This pro
5、duced a chain reaction, which made it possible for life to develop (使生命的发展成为可能). (it作形式主语)2. But when I tried to step forward, I found I was carried twice as far as on the earth (地球上的两倍远) and fell over. (倍数+as+adj. /adv. 原级+as+其他)3. “Oh, dear, ” I cried, “walking does need a bit of practice now that
6、 gravity has changed (既然重力改变了). ”(now that“既然; 由于”, 引导原因状语从句)4. The earth became so violent that (如此猛烈以至于)it was not clear whether the shape would last or not. (so. . . that. . . 如此以至于)1. 后缀-ist名词荟萃biologist生物学家tourist旅游者; 游客physicist物理学家scientist科学家psychologist心理学家2. “动词+out”构成介词短语block out挡住(光线)break out突发; 爆发watch out密切注意; 当心; 提防turn out结果是; 证明是bring out生产; 阐明give out分发; 释放关闭Word文档返回原板块