寒假預(yù)習(xí)單元知識(shí)梳理鞏固練習(xí)Unit4四年級(jí)英語(yǔ)下人教PEP(含答案)

寒假預(yù)習(xí)單元知識(shí)梳理+鞏固練習(xí)Unit4Atthefarm重點(diǎn)單詞：tomato西紅柿potato馬鈴薯；土豆carrot胡蘿卜horse馬cow母牛；奶牛sheep羊；綿羊hen母雞these(this的復(fù)數(shù)形式)這些goat山羊yum(表示味道或氣味非常好)eat吃animal獸；動(dòng)物farm農(nóng)場(chǎng)those(that的復(fù)數(shù)形式)那些

garden花園；菜園重點(diǎn)短語(yǔ)：greenbeans豆角；四季豆trysome嘗一點(diǎn)兒alotof許多l(xiāng)ookat看……h(huán)owmany多少havealook看一看vegetablegarden菜園overthere在那邊eatcarrots吃胡蘿卜onthefarm在農(nóng)場(chǎng)重點(diǎn)句型：1.—Arethesecows?—Yes,theyare.—這些是奶牛嗎?—是的。2.—Arethosetomatoes?—No,theyaren't.Theyarepotatoes.—那些是西紅柿嗎?—不,不是。它們是土豆。3.—Whatarethese?—They'rehens.—這些是什么?—它們是母雞。4.—Whatarethose?—They'repigs.—那些是什么?—它們是豬。5.—Aretheysheep?—No,theyaren't.They'reducks.—它們是綿羊嗎?—不,不是。它們是鴨子。6.—Whatarethose?—They’rehorses.—那些是什么？—它們是馬。7.—Arethesecarrots?—Yes,theyare.—這些是胡蘿卜嗎？—是的，它們是。8.—Whatarethese?—They'retomatoes.—這些是什么？—它們是西紅柿。9.They'resobig!它們是如此的大!10.Lookatthegreenbeans.看這些豆角。Youhavealotofanimals.你有許多動(dòng)物。句型解析：1.（1）.—Whatarethese?—Theyaretomatoes.—這些是什么？—它們是西紅柿。（2）.—Whatarethose?—They’rehorses.—那些是什么？—它們是馬。解析:以上兩個(gè)問(wèn)句都是由what引導(dǎo)的特殊疑問(wèn)句，用于詢問(wèn)近處或遠(yuǎn)處復(fù)數(shù)事物的名稱。these（這些）指近處的事物，those（那些）指遠(yuǎn)處的事物，二者均用于指代復(fù)數(shù)名詞。答語(yǔ)用They作主語(yǔ)。句型結(jié)構(gòu)如下：—Whatarethese/those?—They’re+可數(shù)名詞復(fù)數(shù).易錯(cuò)點(diǎn)提示：these/those是this/that的復(fù)數(shù)形式，后面的be動(dòng)詞用are，these/those后面只跟可數(shù)名詞復(fù)數(shù)形式。例句：—Whatarethese?—Theyarepotatoes.—這些是什么？—它們是土豆。（2）—Whatarethose?—Theyaregreenbeans.—那些是什么？—它們是豆角。（1）—Arethesecarrots?—Yes,theyare.—這些是胡蘿卜嗎？—是的。（2）—Aretheyhens?—No,theyaren’t.Theyareducks.—它們是母雞嗎？—不，不是。它們是鴨子。解析:問(wèn)句都是由be動(dòng)詞are引導(dǎo)的一般疑問(wèn)句，用于確認(rèn)近處或遠(yuǎn)處事物的名稱。答語(yǔ)用they作主語(yǔ)。句型結(jié)構(gòu)如下：—Arethese/those/they+可數(shù)名詞復(fù)數(shù)?肯定回答：—Yes,theyare.否定回答：—No,theyaren’t.（+Theyare+可數(shù)名詞復(fù)數(shù).）例句：—Arethesehorses?—Yes,theyare.—這些是馬嗎？—是的。（2）—Aretheysheep?—No,theyaren’t.Theyaregoats.—它們是綿羊嗎？—不，不是。它們是山羊?！狧owmanyhorsesdoyouhave?—Seventeen.—你有多少匹馬？—十七匹。解析:問(wèn)句是由howmany引導(dǎo)的特殊疑問(wèn)句。howmany意為“多少”，后面接可數(shù)名詞復(fù)數(shù)，答句可用基數(shù)詞簡(jiǎn)答。do為助動(dòng)詞，幫助構(gòu)成疑問(wèn)句，沒(méi)有實(shí)際含義。句型結(jié)構(gòu)如下：—Howmany+可數(shù)名詞復(fù)數(shù)+doyouhave?—基數(shù)詞.4.關(guān)于名詞的復(fù)數(shù)：在英語(yǔ)中，名詞可分為可數(shù)名詞和不可數(shù)名詞?？蓴?shù)名詞有單數(shù)和復(fù)數(shù)兩種形式?？蓴?shù)名詞變復(fù)數(shù)有規(guī)律可循，具體如下：情況構(gòu)詞方法例詞一般情況在詞尾加shorse—horses以s,sh,ch,x結(jié)尾的詞在詞尾加esbox—boxes以o結(jié)尾的詞在詞尾加s或esphoto—photostomato—tomatoes以輔音字母加y結(jié)尾的詞變y為i，再加esstory—stories以f或fe結(jié)尾的詞變f或fe為v，再加esleaf—leaves單復(fù)數(shù)同形的詞sheep;fish;deer;Chinese鞏固練習(xí)：一、選出下面每組單詞中畫(huà)線部分發(fā)音不同的一項(xiàng)。orseB.forkC.worldornB.homeworkC.work()3.A.girlB.birdC.sisterorkB.wordC.nurse()5.A.doctorB.worldC.work()6.A.forkB.worldC.born()7.A.homeworkB.morningC.horse()8.A.overB.workC.those()9.A.potatoB.tomatoC.hot二、用所給單詞的正確形式填空。1.—Whatare________(this)?—Theyareapples.2.—Isthisan________(apple)?—Yes,itis.3.Look!They'reyellow.They________(be)good.4.—Arethese________(carrot)?—Yes,theyare.5.Lookatthe________(tomato).They'rered.6.There________(be)aredtomatoinmyhand.7.________(them)aredogs.8.Howmany________(greenbean)doyouhave?9.MrWang________(have)abigfarm.10.Iseea________(horse)andtwo________(cow)inthepicture.三、單項(xiàng)選擇。()1.—Howmany________arethere?—Twentyone.A.potatoesB.potatoC.banana()2.—Arethesehorses?—________They'regoats.A.Yes,theyare.B.No,theyaren't.C.Yes,itis.()3.Therabbitslikeeating________.A.tomatoB.onionC.carrots()4.Eggsarefrom________.A.goatB.sheepC.hens()5.—________arethose?—They'reapples.A.HowB.WhatC.What's()6.—________—Theyarehorses.A.What'sthat?B.Whatarethese?C.Aretheyhorses()7.—Arethosehens?—________A.Yes,theyare.B.Yes,itis.C.Yes,weare.()8.—Howmanyducksdoyouhave?—________A.I'mfive.B.Iseefive.C.Ihavefive.()9.—Whatarethey?—________A.No,theyaren't.B.Theyarehens.C.It'sahen.()10.—Howmanycowsdoyouhave?—________A.Onehundred.B.Theyarefat.C.I'm10.()11.—Arethosehorses?—________A.Yes,theseare.B.Yes,theyare.C.No,itisn't.()12.________lovetoeatcarrots.A.ThedogB.Acat