Book 3 Unit 4 Language points 导学案【学习目标】1.掌握 6 个单词，9 个短语及 3 个句型的用法，提高在语境中运用的能力。2.通过自主学习，合作探究，能熟练概括框架知识和正确运用的方法。3. 学会用英语表达思想，并全力以赴，激情投入。【使用说明及学法指导】1. 十分钟熟记，理解并总结基本用法。2. 三十分钟合作探究，建立每个词条的知识树3. 五分钟成果点评课内探究案，巩固落实。课前预习案【自主学习】------大胆试重点单词1. harmful adj. 有害的常用结构: be harmful to 对……有害 do sb. harm/do harm to sb. 对某人有害 mean no harm 无意伤害别人;没有恶意 do more harm than good 弊大于利harm one’s image/reputation 损害某人的形象/名声There is no harm in (sb’s) doing sth.=It does no harm (for sb.) to do sth. (某人) 做某事无害处 be harmful to 对……有害harm n.&v. 损害，伤害Smoking is harmful to your health. 吸烟有害健康。He is a nice dog. He won’t do you any .A. ill B. bite C. hurt D. harm2. mass n. 质量；团；块；大量；(前加 the) 群众A liter of gas has less mass than a liter of water.1 公升气体的质量少于 1 公升水的质量。She has a mass of things to do. 她有一大堆的事情要做。The masses have boundless creative power. 人民群众有无限的创造力。常用结构:be a mass of 遍体是……; 充满了…… in mass 全部, 全体; 整个地 in the mass 总体上;总的说来 the (great) mass of 大多数, 大部分masses of sth.大量的东西The young dancers looked so charming in their beautiful clothes that we took _______pictures of them. A. many of B. masses of C. the number of D. a large amount of3. pull v. 拉，拖，拔；移动 n.拉，拖；牵(引)力You push and I’ ll pull. 你来推，我来拉。 I felt a pull at my sleeve and turned round. 我觉得有人扯我的袖子，便转过身来。 To escape the pull of the earth, a rocket must reach a speed of 28,440 km/h. He pulled the door open and rushed out. 常用结构:pull back 拉回来；缩回；使后退 pul...
