《高中英语 知识点大全14 at的用法.doc》由会员分享,可在线阅读,更多相关《高中英语 知识点大全14 at的用法.doc(3页珍藏版)》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、高中英语知识点大全(14):at的用法1、at 词组at (the) least 至少;最少。反义词组为at (the)most至多;最多。Mr Smith looks older than his real age.In fact,he is at (the)most 40 years old.史密斯先生很显老,实际上他最多40岁。Oh, really?I thought he was 50 years old at (the)least.噢,真的吗?我以为他至少50岁了。at the beginning of 在初(开头),可指时间与空间。如:at the beginning of ter
2、m 在学期开始at the beginning of the book 在那本书的开头at the beginning 单独用时间at first,也可说in the beginning.比较:at the end of 在末(尽头) at the end 在末尾处in the end 最终,同at last in the middle of 在中期from beginning to end 从头至尾at the doctors该结构为介词+名词所有格,意为“在诊所”。所有格-s后一般接名词,如her mothers bike ,但有时这个名词可省略,主要表现在以下两个方面:指一个企业,机构,
3、教堂,学校,医院,家庭,理发店,店铺时。如:She is at the hairdressers.为了避免重复,省略-s后的名词。如:I have read some of Shaws plays,but none of Shakespeares.at the last moment在最后关头at the moment 此刻;正在那时for a moment片刻,一会儿for the moment 目前,暂时; in a moment立刻,马上at the top of在的顶部,上方; at the top of a mountain在山顶;at the top of ones voice高声
4、地,尖声地at war该介宾词组意思是“处于战争或交战状态”。在句中常作表语。如:The U.S.A.and Iraq are at war again.2、at/ with/ through三个介词都可表示原因,at表示听到或看到的原因;with表示人体外部的原因;through 强调自身的原因。如:be sad at the news听了这个消息而悲伤;be frightened at the sight看了那个情景而害怕;jump up with joy高兴地跳了起来;turn red with anger气得脸红;shake with cold/fear冻得/害怕得发抖;with pl
5、easure高兴地;with pride 骄傲地;with satisfaction满意地;make the mistake through his carelessness由于粗心而出错;be put into prison through no fault of his own 没有任何罪过被关进监狱。应用汉译英听到这个消息,全国人民处于悲哀之中。孩子们高兴地跳了起来。由于大意他犯了这个错误。Key:At the news, the whole country was in deep sorrow.The children jumped up with joy.He made the mi
6、stake through his carelessness.3、at work/ out of work/ after work这三个以work为中心词的介词短语,在意思和用法上均不相同。(1)at work表示“在工作、在上班”,作表语或状语。例如:They are both at work today.今天他们俩都在上班。His father had an accident at work last week.上周的父亲在工作时出了事故。(2)out of work表示“失业”,是介词短语,相当于lost ones job或be unemployed。例如:If you dont work hard, youll be out of work.如果你不好好工作就会失业。Youll be out of work if you keep coming late.如果你老是迟到,你会失业的。(3)after work表示“下班后”,作时间状语。例如:What do you usually do after work?下班后你经常干什么?I visited Mr Liu after work yesterday.昨天下班后我看望过刘先生。 3