Unit 2 English around the world核心单词1. commandn. & vt. 命令;指令;掌握The officer commanded his soldiers to fire. 那名军官命令士兵们开火。A general is a man who commands a large number of soldiers.将军是统率众多士兵的人。常用结构:at/ by sb’s command 听某人支配take command of 控制in command of 指挥着under one’s command 由某人的指挥under the command of sb. 在某人的指挥下 command sb. to do sth. 命令某人做某事command (=order) that ... 命令……(从句用虚拟语气,即 should+ do 形式 ,should 可省略)联想拓展commander n. 指挥官 高手过招用适当的介词填空(原创)①For the first time in years, she felt she was command of her life.②The army is the king’s direct command.③The police arrived and took command the situation.①in ②under/at/by ③of2. requestvt.&n. 请求;恳求;要求常用结构:request sb. to do sth.请求某人做某事request sth. from/of sb. 向某人要求某物request that sb. (should) do sth.要求某人做某事make a request/requests 发出请求at the request of sb.=at sb.’s request 依照某人的请求易混辨析 request/demand/requirerequest 表示“有礼貌的请求;正式的请求”。demand 表示“有正当权利的要求”,因此含有“坚决或强烈要求”的意思。require 表示“要求所必须的东西;法律、协定、规章以及其他客观情况的要求”。但它们也有不同之处:①require 和 request 都可以接宾语+to do sth.结构,而 demand 没有此种用法。但可以说demand of sb. to do sth.②require+动名词时,主动形式的动名词具有被动意义,而 demand,request 无此种用法。They are demanding higher wages. 他们要求提高工资。 用心 爱心 专心1Do you require anything else? 你还要求(需要)别的吗? Many people have requested this next song.许多人要求听下面这首歌。They required me to keep silent. 他们要求我保持沉默。The letter requested us to leave the house within six weeks. 这封信要求我们六周内搬出这所房子。温馨提示以上三个词的共同点是:从语法上看,request 和 demand,requir...