Unit8Firstaid—同步教学.doc

Unit 8 First aid 一．Topic Talking about first aid and medicine 二．Colloquial Expressions in this unit Giving advice You should always… You should not… You must… You must never… Make sure that… Please don’t… You ought to / should… You should never… You have to… Never… 三．Subjunctive Mood —— II If I had known more about giving first aid, I could have helped them. If I had turned off the electric heater, the house would not have caught fire. If we were to panic, we would not be able to help. If we were to get hurt trying to save someone, we would not be able to help. 四．Key words phrases in this unit. 1. aid n. v. 帮助，援助 表示一般意义的帮助，不可数（first aid急救） The family lived on government aid for two years. 这家人靠政府援助。 表示“助手”或“辅助用品”等具体意义，可数 A dictionary is an important aid in learning a new language. 词典是学习新语言的重要工具。 come to one’s aid来帮助某人 They all came to my aid.他们都来帮助我 用作动词，及物主要用于正式文体，较大的经济或物质帮助 They aided us with money. 他们用钱资助我们。 aid sb to do （to不可省略） 2. electrical adj. 主要表示“与电有关的”，区别于electric 如：electrical work与电有关的工作 an electrical engineer 电气工程师 an electric bell电铃 an electric lamp电灯 3. calm adj. 用作形容词，多指天气或海洋等的平静；也用于指人沉着，镇静 The high wind passed and the sea was calm again. 大风过后，大海又恢复了平静。 He always remains calm when he meets difficulties. 遇到困难时，他总能保持镇静。 用作动词 Calm down, please.请冷静！ 4. tip n. 表示“尖端”，是名词，常与介词of连用： the tip of a hill山顶 the tip of my nose我的鼻顶 the tip of a toe脚趾尖 表“建议”，可数 If you take my tip you’ll make a lot of money. 如果你采纳我的建议，你将赚很多钱。 What do you already know about first aid? 关于急救知识你们已经知道了多少？ 【点拨】know about对……了解 1）I want to know about it from beginning to end. 我想彻底了解这件事情。 2）I know a little about Japanese because I learned some at university. 我懂一点日语，因为我上大学时学了一点。 3）They know nothing about economy. 他们不懂经济。 【识记】know something about对……有所了解　know a little about对……有一点了解　know little about对……几乎没有了解　know everything about对……了解一切　know nothing about对……一无所知　be known as作为……而出名　be known for因……而出名　be known to为……所熟知 【辨析】know / learn know与learn近义，但know没有进行时，