新概念英语第一册自学笔记含课后练习答案：Lesson19-20

新概念英语第一册自学笔记含课后练习答案：Lesson19-20新概念英语第一册第19-20课课文详注furthernotesonthetext1．what'sthematter？怎么啦？相当于what'swrong？或tellmewhat'swrong。这个句型通常用来询问发生了什么事。假如要特别提及某人，能够在后面加上介词with，如：what'sthematterwithyou?你怎么啦？what'sthematterwithclaire?克莱尔怎么啦？2．mum，儿语中小孩子对母亲的称呼。与此相似，dad是对父亲的儿语称呼。3．there's=thereis。它表示“有”、“存有”，为there+be结构的一般现在时缩略形式。4．twoicecreamsplease．请拿两份冰淇淋。相当于giveustwoicecreams，please。请参见lessons3～4课文注释。icecream是物质名词。物质名词前加不定冠词a或基数词表示一种、一份、一客、一类、一阵等。新概念英语第一册第19-20课语法grammarinuse1．there+be结构（1）在说明或询问人、物等的存有时即可使用there+be结构。说there'sanicecreamman比说anicecreammanisthere更合乎习惯，也更为自然。there+be结构可将重要的新信息置于句末，以示强调。此结构中的实际主语是be后面的名词。所以，假如该名词是单数就用is，如是复数则为are。2．人称代词与be英文中系动词be（是）必须根据不同的人称代词作相对应的变化。请参见lessons15～16语法部分中相关be的一般现在时形式的内容，包括某些缩略形式，如：theyarenot=theyaren't=they'renot，wearenot=wearen't=we'renot。新概念英语第一册第19-20课词汇学习wordstudy1．thirstyadj.（1）渴的，口干的：we'retiredandthirsty.我们又累又渴。（2）（土地等）干旱的：adryandthirstyland干旱的土地（3）渴望的，渴求的（for，after）：thestudentstherearethirstyforknowledge.那里的学生有强烈的求知欲。2．mattern.（1）事情，事件：it'saprivatematter.这是件私事。he'snotveryinterestedinfinancialmatters.他对财政方面的事情并不太感兴趣。（2）麻烦事，困难：what'sthematter,anna?怎么了，安娜？what'sthematterwithsteven?史蒂文是怎么回事？新概念英语第一册第20课练习答案keytowrittenexerciseslesson20a1thosechildrenaretired.2theirmotheristired,too.3thaticecreammanisverybusy.4hisicecreamsareverynice.5what'sthematter,children?wearethirsty.6what'sthematter,tim?iamtired.b1arethechildrentiredorthirsty?they'renottired.they'rethirsty.2arethepostmencoldorhot?they'renotcold.they'rehot.3arethehairdressersthinorfat?they'renotthin.they'refat.4aretheshoessmallorbig?they'renotsmall.they'rebig.5aretheshopsshutoropen?they'renotshut.they'reopen.6arehiscasesheavyorlight?they'renotheavy.they'relight.7aregrandmotherandgrandfatheryoungorold?they'renotyoung.they'reold.8aretheirhatsoldornew?they'renotold.they'renew.9arethepolicemenshor