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1、- 1 -ask、at、as 用法1、ask ask for 要求，请求ask sb.for sth.向（某人）请求（要求）She asked for some advice on how to learn English well.2、atat表示速度、价格、利率at a high/low price以高价/;低价；at 40 miles an hour 以每小时 40英里的速度；at a high/low speed以高速/慢速；at an ordinary speed 以普通速度；at full/top speed 以全速/高速；at a speed of 以速度。完成句子公司决定以较低
2、的价格将这批电视卖掉。The company decided to sell the TV sets _ _ _ _ _ _ 。火车正以每小时 150英里的速度前进。The train was running _ _ _ _150 miles an hour .Key:at, a, low, priceat,a, speed,of“at+名词”表示“在进行，从事”at work 在工作；at table 在吃饭；at play 在做游戏；at sea 出海；at university/college在 上学;at night school 在上夜校；at dinner/table 在吃饭；at
3、 peace处于和平状态；at war 在交战，在打仗完成句子- 2 -别人在工作，不要吵闹。Dont make any noise while others are _ _.孩子们在游戏，而他们的父母正在吃饭。The children were _ _ while their parents were_ _.Key:at, workat,play,at,dinneras3、asasas many as 和一样多/多达；as much as 和一样多/多达（注意：many 指可数的量，much 指不可数词的量）；as high as 和一样高/高达；as thick as 和一样厚/厚达；as
4、 long as 一样长/长达;as deep as 一样深/深达；as early as 一样早/早在时候，如：We have as many books as they.我们的书和他们的一样多。/The great fire burned down as many as twenty buildings.大火烧毁的大楼多达 20座。汉译英新桥与旧桥一样长。/这种鱼可长到长达 15英尺。这座山和远处的另一座一样高。/这座山高达 4000米。Key:The new bridge is as long as the old one./The kind of fish can grow as long as 15 feet.This mountain is as high as another one in the distance./This mountain is as high as 4,000 metres.asas possible:asas one can尽可能地.Ill come back as soon as possible.我尽可能地Get up as early as possible tomorrow morning. 明天早晨尽量早起。
