模块尾
核心要点回扣 Ⅰ.重点单词
1．conclude v．得出结论；结束→conclusion n．结论；结束 2．aim n．目标，目的；瞄准v.瞄准，对准；旨在；目的是 →aimless adj.没有方向的；无目标的；无方案的 3．react v．反应；起作用→reaction n．反应；起作用
4．balance n．天平；平衡v.权衡；使平衡→balanced adj.保持平衡的；均衡的
5．astonish vt.使吃惊→astonished adj.吃惊的；惊愕的→astonishing adj.令人惊异的 Ⅱ.重点短语 1．think of 想象；考虑；想起；认为 think of...as．.. 把……看作…… think about 考虑 think over 认真考虑 2．put...in order 使……有条理 in order 井然有序；状况良好 out of order 出故障 3．add...to．.. 往……加入…… add to 增加；增加 add...up 把……加起来 add up to 总计达…… 4．keep...out of 不让……进入 keep off 避开；使……不接近 keep away(from) 远离；不接近 keep up with 跟上；不落后；赶上
Ⅲ.重点句式
1．Two thirds of the earth's surface(地球表面三分之二)is water. 2．It's hard to think of(很难想象)a world without metals.
3．I'm going to try to go to either(或者)Montreal or(或者)Ottawa University，as both are supposed to have(应当有)good Physics Departments.
Ⅳ.回顾话题
用本单元词汇或句式完成写作任务
杰克过去对化学不感爱好，但是他的父母认为他应当把化学学好。在一节试验课上，通过观看(observe)物质之间的反应，他转变了很多。他越学化学，就越觉得有爱好。他现在的目标是成为一名化学家，在化学
领域有所突破。他的父母为他感到骄傲。
【参考范文】
Jack used not to be interested in chemistry，but his parents thought he was supposed to learn chemistry well.In a lesson in a lab，after he observed the reaction of substances，he changed a lot.The more he learned chemistry，the more interested he was in it.Now his aim is to be a chemist and make a breakthrough in the area of chemistry.His parents are proud of him.
