人教版八年级上册英语unit2知识点及习题

Unit2Howoftendoyouexercise?一、短语归纳helpwithhousework帮助做家务onweekends在周末howoften多久一次hardlyever几乎从不onceaweek每周一次twiceamonth每月两次everyday每天befree有空gotothemovies去看电影usetheInternet用互联网swingdance摇摆舞playtennis打网球stayuplate熬夜；睡得很晚atleast至少havedanceandpianolessons上舞蹈课和钢琴课gotobedearly早点睡觉playsports进行体育活动begoodfor对……有好处gocamping去野营not…atall一点儿也不……inone’sfreetime在某人的业余时间fifteenpercentofthestudents百分之十五的学生themostpopular最受欢迎的suchas比如；诸如oldhabitsdiehard积习难改gotothedentist去看牙医mornthan多于；超过lessthan少于helpsb.withsth.帮助某人做某事Howabout…?......怎么样？/……好不好？wantsb.todosth.想让某人做某事Howmany+可数名词复数+一般疑问句？……有多少……?主语+find+that从句.……发现……spendtimewithsb.和某人一起度过时光It’s+adj.+todosth.做某事的……的。asksb.aboutsth.向某人询问某事bydoingsth.通过做某事What’syourfavorite……?你最喜爱的……是什么？thebestwaytodosth.做某事的最好方式二、语法讲解1.exercise（v/n）的用法1）（动）:锻炼.如：Heexerciseseveryday.2)(可数名词)：“...操;练习”.如：domorning/eyeexercises;domathexercises(不可数名词):“锻炼;运动”讲：如：Weoftendo/takeexerciseonweekends.练习：1、Theoldmanisverywellbecauseheoften__________.A.drinksB.exercisesC.sleepsD.plays2.----Howoftendoyouusuallygoshopping?—Sometimes/Twiceaweek.有时候/一周两次.1)goshopping意为“去购物”。Go+v-ing:表示进行某项活动。如：Goswimming/shopping/skating/skiing/fishing/climbing/hiking2)频率副词：always=allthetime,usually,often,sometimes=attimes,hardlyever,never它们用来表示动作发生的频率，频度副词放在be动词、情态动词和助动词之后，实义动词之前，在程度上有所区别，频率由高到低依次是：alwaysusuallysometimesseldomhadlyevernever100%80%60%30%10%0%(1).sometimes:有时候；sometime：某时；sometimes：许多次/倍;sometime:一段时间(2).hardly(adv):几乎不hard硬的；eg:Thestoneishard.困难的；严厉的；勤奋的ahardwriter努力地；猛烈地study/rainhard练习1、Thegroundistootodig2、Icanunderstandthem.3、It'sraining,thepeoplecangooutside.4、—Howwastheweatheryesterday?——Itrained_______.Peoplecould___________goout.A.hardly;hardB.hardhardC.hardly;hardlyD.hardhardly3）howoften表示“多久一次”，是对动作的频率进行提问。频率副词：always,usually,often,sometimes,hardlyever,neverhowoften次数＋时间段:如：onceortwiceaweekevery＋时间段:everyday(每天)区别：everyday（每天的；日常的）注意：表示“一次或两次”时，一般用once和twice表示。如：onceamonth(一个月一次)而表示“三次或以上”时，则用“数词＋times”结构。如：fivetimesayear(一年五次)4）由how构成的疑问词组的用法“多少”howmany+可数名词复数如：howmanyprogramshowmuch+不可数名词如：howmuchcoffee但howmuch=what’sthepriceof..?还有“多少钱”的意思如：Howmucharethosepants?howmanytimes:“多少次”.其答语表示次数。如：once,twice，threetimes等Howold...?询问年龄如：Howoldareyou?Iamfive.howlong多久(时间)常用fortwodays，forthreehours等回答。多长（某物的长度）如：---Howlongistheriver?---10kms.howsoon用来询问过多久，多久以后，其答语是intwohours，inthreedays等。如：Howsoonwilhecomeback？Inanhour。练习：1、--________isitfromyourhometoschool?--Threemiles.A.HowfarB.HowmuchC.HowsoonD.Howlong2、—______dotheyplaybasketball?—Everyday.A．HowsoonB．HowmuchC．HowmanyD．Howoften3、－_____doyoudoyourhomework?---Everyday.A.WhenB.HowoftenC.HowmanytimesD.Whattime4、Ivisitmygrandparents_________amonth.A.twotimesB.secondtimeC.thesecondtimeD.twice5、_______milkdoyoudrink?A.HowmanyB.HowmuchC.HowoftenD.Howsoon6、He_________goestothemovies.A.sometimeB.sometimeC.sometimesD.sometimes7、——Howoftendoyoudance?——Idance__________aweek.A.onceandtwicetimesB.twoandthreetimesC.oneortwoD.onceortwice3.free1)“空闲的”：Areyoufreetonight?2)befree“自由的”：afreecountryfreedom(n)3)“免费的”：workforfree.4.full1)“满的；饱的”…befullof…:Thebottleisfullofwater.瓶子里装满了水。2)“忙的”=busyHehadafulllife5.Shesaysit’sgoodformyhealth.她说那对我的健康有益。(1）begoodfor：“对……有好处”。如：Doingexerciseisgoodforourhealth.（2）begoodat：“擅长于……”如：Heisgoodatplayingfootball.(3)begoodtosb./sth:“对……好”如：Theoldwomanisgoodtous.(4)begoodtodosth.:“适合；宜于”如：Thewaterisgoodtodrink.(5)begoodwith:“与……相处好”如：Theteacherisgoodwithhisstudents.练习：1、Eatingfruitandvegetables_____________ourhealth.A.isgoodtoB.isgoodC.isgoodforD.iswellfor6．goonline=usetheInternet：上网练习1、——WhatdoesMarydoonweekends?——Sheusually__________theInternetathome.A,useB.goonC.usesD.goeson7.morethantwohours=overtwohours:超过8.keephealthy=stayhealthy=keepingoodhealth:保持健康练习1、MissLiuisvery________,becausesheexerciseseveryday.A.healthB.healthyC.unhealthyD.unhealth9.ask的用法1）asksb.todo:叫…做某事Teacheraskedmetocleantheclassroom.2）Asksb.nottodosth.:叫…不要做某事Teacheraskedmenottocleantheclassroom.3）asksb.aboutsth.:问某人某事Weaskedourstudentsabouttheirfreetimeactivities.4）asksb.forsth.:向某人要求…如：askteacherforhelp练习:Teacheraskedme__________(clean)theclassroom.Teacheraskedme__________(notclean)theclassroom.Weaskedourstudents______theirfreetimeactivities.10.1）helpsb.withsth.如：Theyhelpmewiththisproblem.他们帮助你解决这个问题。2）helpsb.（to）do.如：Theyhelpyou(to)solvethisproblem.他们帮助你解决这个问题。11.surprise1）(n)惊讶:toone’ssurprise令某人惊讶的是insurprise惊讶地besurprisedatsth.对…感到意外2）（v）使惊奇、意外：besurprisedtodosth.惊讶做某事besurprisedthat+从句如：Iwassurprisedatthenews=Iwassurprisedtohearthenews.12.although(conj):“尽管；虽然”，表示转折关系，同义词有though,不能与but同时使用。如：Althoughthey’reneighbors,theydon’tplaytogether.=They’reneighbors,buttheydon’tplaytogether.尽管他们是邻居，但是他们不在一起玩。练习：1、_________theyarebrothers,theydon''tlooklikeeachotheratall.A.BecauseB.ThoughC.WhenD.As13.maybe(adv):也许，大概(Maybe)he(maybe)knowsit.May+v(原)：也许，大概Hemayknowit.如：Maybeheisathome.=Hemaybeisathome.=Hemaybeathome.14.It’sgoodtorelaxbyusingtheInternetorwatchinggameshows.by:HelearnsEnglishbysingingEnglishsongs.通过…方式Hewenthomebybus.=Hewenthomeonthebus=Hetookthebushom