四年级下册英语试题-Unit4期末复习(单项选择)∣人教(PEP)(含答案)
人教版(PEP)四年级英语下册第四单元测试卷-Unit 4 At the farm(附答案)
人教版（PEP）四年级英语下册第四单元测试卷Unit 4 At the farm一、不同类的一项1．A. Tomatoes B. potatoes C. horses2．A. cow B. second C. goat3．A. sheep B. tomato C. potato4 A. potato B. tomato C. vegetable5．A. try B. eat C. farm二、按要求填空1．hat(复数)________2．animal(复数)________3．hen (复数)____________4．sheep (复数)____________5．tomato(复数)___________6．carrot (复数)___________7．cow(复数)_______________三、选词填空world horses fork homework1.Are these ________?2.I can use a ________.3.Hello,Miss White. Here’s my________.4.This is the________map.四、单项选择1．—How many sheep are there on your farm?—______A. They are hens.B. Sixty.C. 12years old.2．I ________like onions.A. am notB. isn'tC. don't3．_______many apples do you have?A. HowB. WhatC. Where 4．—Are those green beans?—_____A. Yes, they are.B. Yes, those are.C. Yes, those aren’t. 5．Look，the tomatoes________red.A. isB. areC. am6．________are those?—They are hens.A. How manyB. WhatC. Where7．Are these carrots?—________A. Yes，it is.B. Yes，they are.C. Yes，they aren't. 8．The ______are yellowA. carrotB. carrotsC. carrotes 9．You have a lot of _______.A. vegetableB. horseC. animals 10．What _______those?A. aboutB. isC. have五、对话连线( ) 1.Are these carrots? A. They are beans. ( ) 2.How many sheep do you have? B. Yes, it is. ( ) 3.What are these? C. No, I don’t. ( ) 4.Do you like tomatoes? D. No, they aren’t. ( ) 5.Is it so cute? E.Twenty.六、补全对话A. What are these?B. Ten.C. Let's go to Mr MacDonald's farm.D. They like to eat grass.E.No，they are carrots.A：It's sunny today.1.________B：OK.We can help him.A：Good idea.B：2.________A：They are vegetables.B：Are they potatoes?A：3.________B：Wow，those are animals. How many horses are there?A：4.________B ：Look at the black and white cows. What do they like to eat?A：5.________B：They are so cute.A：Yes.七、连词成句1．are, They, so, big (!)_______________________________________________2．have How many horses you do (?)_______________________________________________3．at Look green beans the (.)_______________________________________________4．are,those,what,there,over (.)_______________________________________________5．at Look green beans the (.)________________________________________________八、阅读判断Dear Wang Ke,Thank you for your letter. I’m happy you like the hat.Everything is fine on the farm. But it’s rainy and cool here,so we can’t go outside. Your friendly and cute dog is here. "Woof! Woof! Can you hear it? He is playing with me. The animals on the farm are happy, too. There are about forty baby ducks now. “Quack!Quack!”They are yellow and funny. There are baby cows, too.“Moo!Moo!”They are black and white. They are cute. Many vegetables on our farm are fresh: tomatoes, carrots, green beans, onions…The food here is delicious.Please write soon, my dear boy! Welcome back! We miss you!Love,Grandpa( ) 1.It is rainy and cool on the farm.( ) 2.There are about 14baby ducks now.( ) 3.The animals are happy and the vegetables are fresh on the farm.( ) 4.The food on the farm is not good.( ) 5.Wang Ke is on Grandpas farm now .【参考答案】一、不同类的一项1．C2．B3．A4．C5．C二、按要求填空1．those2．animals3．hens4．sheep5．tomatoes6．carrots7．cows三、选词填空1.horses2.fork3.homework4.world四、单项选择1．B2．C3．A4．A5．B6．B7．B8．B9．C10．A五、对话连线1.D2.E3.A4.C5.B六、补全对话1.C2.A3.E4.B5.D七、连词成句1．They are so big!2．How many horses do you have? 3．无4．What are those over there? 5．Look at the green beans.八、1.T2.F3.T4.F5.F。
人教版(PEP)四年级下册英语Unit 4 单元测试题(含答案)
人教版（PEP）四年级下册英语Unit 4 单元测试题（含答案）一、根据图片内容补全下列词语。
（5分）（1） t m to （2） c rr t（3） c w （4） gr n b ns（5） h n二、单选题（20分）1．—Where are the keys? —Look, they're the door.A．in B．on C．are2．Go to the _____. Have a snack.A．bathroom B．kitchen C．living room 3．—What's in your schoolbag? —A．I have 6.B．It's black and white.C．Many books.4．—Open the door, please. —A．OK! B．No. C．Great!5．Look, the tomatoes________ red.A．is B．are C．am6．—Is this a goat? —________A．Yes, it is. B．Yes, it isn't. C．It's a cow.7．—Are ________ tomatoes? —Yes, they are.A．this B．that C．these8．The farm ________ big.A．am B．is C．are9．How many ________ do you have?A．horse B．horses C．cow 10．There are many animals the farm.A．in B．on C．to三、中英文匹配。
（10分）⑴我喜欢母鸡和鸡蛋。
A. I have a lot of animals.⑵你们有山羊吗？ B. I like hens and eggs.⑶你有多少匹马？ C. Are those carrots?⑷那些是胡萝卜吗？ D. Do you have goats?⑸我有许多动物。
(人教PEP版)英语四年级下册：Unit4单元测试题含答案(共4套)
下期四年级（PEP)下册英语Unit 4 At the farm单元测试题1(时间: 60分钟满分: 100分)听力部分(40分)一、听录音,选出你所听到的单词。
(10分)() 1. A. horse B. cow C. now() 2. A. fat B. sheep C. eat() 3. A. tomato B. apple C. potato() 4. A. two B. twelve C. twenty() 5. A. goat B. hen C. horse二、听录音,判断下列图片与所听内容是(√)否(×)相符。
(10分)三、听录音,选择正确的答语。
(10分)()1.A. They’re carrots. B. Yes, they are. C. It’s a carrot.()2. A. They’re cows. B. No, they aren’t. C. Yes, it is.()3. A. Are they hens? B. They are big. C. They’re hens.()4. A. It’s a tomato. B. Thank you. C. They’re yellow.()5. A. It’s big. B. No, it isn’t. C. It’s a big cow.四、听录音,判断下列句子与你所听内容是(T)否(F)一致。
(10分)() 1. The carrots are so big.() 2. The tomatoes are red.() 3. The green beans are long.() 4. Mike has seven cows.() 5. Those are goats over there.笔试部分(60分)五、读一读,判断每组单词画线部分发音是(T)否(F)一致。
(4分)() 1. A. fork B. work() 2. A.horse B. shorts () 3. A. born B. world () 4. A.forty B. fork 六、选出下列每组单词中不同类的一项。
人教PEP版四年级英语下册第四单元测试卷(附答案)
人教PEP版四年级英语下册第四单元测试卷（附答案）时间：40分钟满分：100分第一部分听力(40分)一、听录音，按听到的顺序给下列图片标号。
(10分)() () ()()()二、听录音，给下列句子排序。
(10分)()Are these tomatoes?()Look at the potatoes. They are so big.()Are they hens?()Look at the horses. They are so cute.()Carrots I will try.三、听录音，选出与所听内容相符的图片。
(10分)()1. A. B.()2. A. B.()3. A. B.()4. A. B.()5. A. B.四、听录音，选出你听到的单词补全句子。
(10分)1. I'd like four ________. (forks，carrots)2. Here's my ________. (home，homework)3. Do you like ________？(hens，horses )4. How many ________ do you have? (cows，sheep)5. The hen's legs are________. (short，fat)第二部分笔试(60分)五、判断词汇与图片是(T)否(F)相符。
(10分)()1. cows()2. sheep ()3. tomatoes ()4. hen()5. green bean六、选出每组中单词画线部分读音不同的一项。
(10分) ()1. A. horse B. farm C. warm ()2. A. world B. work C. fork ()3. A. potato B. carrot C. tomato ()4. A. cow B. how C. snowy ()5. A. for B. homework C. morning七、选词填空。
人教版三年级起英语四年级下册unit 4测试试卷(含答案)(1)
人教版三年级起4年级下册unit 4一、词汇选择题（10分）Read and choose. 选出不同类的词。
1．A．dog B．hens C．ducks 2．A．potato B．sheep C．cow 3．A．onion B．green beans C．vegetable 4．A．these B．thirty C．those 5．A．tomato B．carrot C．goat二、单选题（20分）6．—How many sheep are there on your farm? ()—______A．They are hens.B．Sixty.C．12 years old. 7．—Are these hens? ()—________________A．Yes, it is.B．Yes, they are.C．No, they don’t. 8．—Are these potatoes? ()—________________A．Yes, these are.B．No, they aren't.C．Yes, it is. 9．Look ______ those goats. They are so cute. ()A．/B．to C．at 10．—How many ______ do you have? ()—Six.A．carrot B．sheeps C．cows 11．Let’s ________. ()A．look at B．have a look C．to look 12．It’s time _____ have PE class. ()A．to B．for C．in13．—Are those pigs? ()—___________A．Yes, it is.B．No, they aren’t.C．Yes, I am. 14．I ____ like cats. ()A．am not B．don’t C．aren’t 15．Look at these tomatoes. _____________ ()A．They’re big and red.B．They’re long and red.C．They’re round and brown.三、看图识词（10分）A．tomatoB．carrotC．henD．cowE. green beans16．( )17．( )18．( )19．( )20．( )四、选词填空（10分）is are what where aren't they are how many21．—___________ sheep are there?—Sixteen.22．—___________ are these?—___________ hens.23．—___________ that a horse?—No, it isn't.24．—___________ those ducks?—No, they ___________.25．—___________ are the cows?—They're on the farm.五、句子匹配（10分）A．It's a goat.B．They're sheep.C．Yes, they are.D．Seventeen.E. Thanks.26．What are those? ( )27．Are they horses? ( )28．How many sheep do you have? ( )29．Try some! They are good. ( )30．What's this? ( )六、选内容补全对话（10分）A．I have five.B．Yes, I do.C．Yes, they are.D．No, they’re sheep.E. Wow, it’s so big.A: Welcome to my farm.B: ________31________A: Look ! These are green beans.B: They are big and long. Are these potatoes?A: ________32________B: Are there any animals on your farm?A: Yes. This way, please.B: Are these goats?A: ________33________B: Do you have any horses?A: ________34________B: How many horses do you have?A: ________35________七、阅读选择（10分）My father has a farm. There are many animals and fruits. He has seven cows, two horses, ten pigs and one hundred (百) ducks. There are many hens on the farm, and many eggs too. Look! There are fruit trees. Every year, my brother and I can eat many fruits. I like peaches best. My brother likes oranges best. There is a little dog on the farm. My brother and I often play with him.36．_____ has a farm. ()A．My father B．My brother C．My uncle37．There are many ______ on the farm. ()A．animals B．fruits C．animals and fruits38．My father has ______ cows. ()A．ten B．seven C．two39．I like ______ best. ()A．oranges B．eggs C．peaches40．My brother and I often play with ______. ()A．a dog B．a hen C．a cow八、阅读判断（20分）There is a boy called (叫作) Ma Liang. He’s very poor (贫穷的). He has no money to buy a writing brush (毛笔). But he draws (画画) every day. One day, an old man gives him a writing brush. It’s a magical (有魔力的) one. Ma Liang draws for poor people. He draws hens, cows.... They all become real (变成真的). A bad man ask Ma Liang to draw gold (金子) for him. Ma Liang draws the gold, but the gold is on the sea. Then he draws the wind. At last (最后)the wind blows (吹) the bad man into the sea.41．Ma Liang has much money. ( )42．An old man gives Ma Liang a writing brush. ( )43．Ma Liang draws gold every day. ( )44．Ma Liang draws for poor people. ( )45．The bad man gets the gold at last. ( )参考答案：1．A 2．A 3．C 4．B 5．C 6．B 7．B 8．B 9．C 10．C11．B 12．A 13．B 14．B 15．A 16．D 17．B 18．E 19．A 20．C 21．How many22．What They are23．Is24．Are aren't25．Where26．B 27．C 28．D 29．E 30．A 31．E 32．C 33．D 34．B 35．A 36．A 37．C 38．B 39．C 40．A41．F42．T43．F44．T45．F。
四年英级下册英语试题- Unit 4 At the farm 测试 基础卷(含答案)人教(PEP)
四年级下册英语Unit 4测试基础卷一、判断每组单词画线部分读音是(√)否(×)相同.( )1.A. horse B.fork ( )2. A.for B.work ( )3.A. tiger B.her ( )4. A.world B.first ( )5.A．doctor B.word二、单项选择.( )1. -Are these tomatoes?-_________.A. Yes, these are.B.No, they aren't. C Yes, they aren't. ( )2. -How many____do you have?-Seventeen.A.carrotB.sheepC.horse( )3. -What ____ those?-They________ ducks.A.are; isB.are; areC.is; are( )4. The____are red. The____are brown.A. tomatoes; potatoesB.tomato; potatoC.tomatos; potatos ( )5.I________ like onions.A. am notB.isn'tC.don't三、给下列问句选择恰当的答句.( )1. What are these?( )2. Are they sheep?( )3. How many horses do you have? ( )4. How many cows can you see?( )5. What's this?A. It's a goat.B. They're potatoes.C. No, they aren't.D. I can see five.E. Seventeen.四、给句子或对话选择正确的图片.( )1. -Are these carrots?-Yes, they are.( )2. -The cow is so cute!-Yes, it is．( )3. -What are those?-They're tomatoes.( )4. -I love to eat green beans.-Me too!( )5- There are a lot of animals on the farm.五、连词成句.1．are, these, What(?)___________________________________________________________ 2．those, Are, hens(?)___________________________________________________________ 3. do, How, horses, many, you, have(?)___________________________________________________________ 4．they, No, aren't(,．)___________________________________________________________ 5. love, They, eat, to, carrots(.)___________________________________________________________六、选择正确的句子补全对话.A: Welcome to my farm.B: 1._______________A: Look! These are green beans.B: They are big and long. Are these tomatoes?A: 2.__________B: Are there any animals on your farm?A: Yes, this way, please.B: 3.__________A: No, they're goats.B: What are these?A: 4.__________B: How many cows do you have?A: 5.__________七、阅读短文,判断句子正(T)误(F).Mr MacDonald has a farm. It is very big. There are eleven cows, twelve hens and twenty sheep. There are seventeen horses, too. Mr MacDonald likes tomatoes very much. So he has many tomatoes on the farm. Look! The carrots are orange. They're yummy. There are also many other vegetables on the farm. I like potatoes and green beans. I have them for lunch today. I'm very happy today.( )1. Mr MacDonald has a big farm.( )2. There are twelve sheep on the farm.( )3. Mr MacDonald doesn't like tomatoes.( )4. I have green beans and tomatoes for lunch today.( )5. I'm not happy today.答案一、1．√ 2．× 3．× 4．√ 5．×二、1．B 2．B 3．B 4．A 5．C三、1．B 2．C 3．E 4．D 5．A四、1．C 2．E 3．B 4．A 5．D五、1．What are these?2．Are those hens?3. How many horses do you have? 4．No, they aren't.5. They love to eat carrots.六、1．E 2．C 3．D 4．B 5．A七、1．T 2．F 3．F 4．F 5．F。
人教精通版四年级英语下册Unit 4 综合检测卷含答案
人教精通版四年级英语下册Unit 4 综合检测卷时间：40分钟满分：100分题号一二三四五六七八九十十一总分得分听力部分(40分)一、听句子，用数字1—5 为下列图片排序。
（5 分）二、听问句，选择合适的答语。
（5 分）( ) 1. A. It’s Tuesday. B. I often play with my friends.C. This is Tuesday.( ) 2. A. It’s Mo nday. B. It’s Sunday. C. It is Saturday.( ) 3. A. Yes, I do. B. I like PE very much. C. I like sports.( ) 4. A. I like PE very much.B. We have art lessons on Monday.C. We have PE lessons on Tuesday.( ) 5. A. There are five days in a week.B. There are seven days in a week.C. They are Monday, Tuesday and Wednesday.三、听对话，将人物、时间与事件进行连线。
（10 分）Tom Jack Jim Peter Kate 四、听短文，判断下列句子正（T）误（F）。
（10 分）( ) 1. Lucy likes reading. She reads some books on Sunday morning.( ) 2. Lucy goes to play football with her friends on Sunday afternoon.( ) 3. Lucy goes to visit her parents in the evening.( ) 4. After dinner, they watch TV together.( ) 5. Lucy has a good time with her family.五、听短文，补全所缺内容。
四年级下册英语试题--Unit 4 At the farm(含答案)人教PEP
Unit 4 知识检测一、根据图片和首字母提示补全单词，完成句子或对话。
1. There is a in my home(家).2. —Is the in the kitchen?—Yes, it is.3. The keys are near the.4. She's in the .5. My glasses are on the.二、给图片选择正确的描述。
( ) ( ) ( ) ( ) ( )A. —Where is Daming?—He is in the living room.B. —Lingling, let's go to the study and read a book. —Good idea.C. Go to the kitchen. Have a snack.D. —Is she in the bedroom? —Yes, she is.E. I can take a shower in the bathroom.三、单项选择。
()1. —Is Lily in the living room?—Yes，________.A. he isB. I amC. she is ()2. —________ is he?—He's in the kitchen.A. WhatB. WhereC. Who ()3. Go to the________. Read a book.A. kitchenB. studyC. bathroom ()4. Look ________ that bedroom.A. onB. atC. for()5. —Where ________ my crayons?—They're in your pencil box.A. areB. isC. /()6. My glasses are________ the table.A. forB. onC. with ()7. You can take a shower in the ________.A. bathroomB. bedroomC. kitchen ()8. ________they on the fridge?A. AreB. IsC. Do()9. There is a ________ in the bedroom.A. bedB. bedsC. sofas ()10. —Is the ________near the sofa?—No, it isn't.A. tablesB. chairsC. phone四、按要求完成下列各题。
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人教版（PEP）小学英语四年级下册Unit 4 期末复习（单项选择、附答案）一、根据图片，选择正确的单词。
1.A. gardenB. libraryC. playground2.A. schoolB. classroomC. farm3.A. onionsB. carrotsC. tomatoes4.A. tomatoesB. potatoesC. onions5.A. horseB. sheepC. goat二、单选题6. me count．A. LetB. Let's7.Look __________ the tomatoes. They are yellow.A. inB. withC. at8.—What are those?—________ cows.A. It'sB. They'reC. Those9.—____ are these tomatoes?—They're green.A. WhatB. How manyC. What color10.Are these ?A. tomatoB. tomatosC. tomatoes11.Try some ________.A. tomatoesB. tomatoC. tomatos12.—Are ________ carrots?—Yes, they are.A. theseB. thatC. this13.These are________.A. sheepB. sheepsC. goat14.How ducks do you have?A. muchB. many15.What________ these?A. isB. areC. do16.I have four________.A. henB. sheepC. cow17.—Look at these _____.—Wow! They're so cute.A. henB. sheepC. cow18.—What________ those?—They are cows.A. isB. amC. are19.I like ______. Yummy(美味的) and orange.A. carrotsB. potatoesC. onions20.I see four________.A. milkB. carrotC. potatoes21.The cows can make________.A. grassB. milkC. cryA. animalB. animalsC. tiger23.The carrots ________ big.A. isB. amC. are24.—________are those?—They are hens.A. How manyB. WhatC. Where三、情景交际。
25.你想问农场里有多少牛，你应该对妈妈说：______A. Mum, How many cows at the farm?B. Mum, How much cows at the farm?26.你想知道那是不是一只马，你应该问：_______A. Is it a horse?B. Is it horses?27.你想说它们真可爱，可以这样表达：A. They're so cute!B. They're so small!28.别人问你那些是不是母鸡，你可以这样回答：A. Yes, they are.B. No, they are.29.你想知道那些是什么，可以这样问：A. What are these?B. What are those?30.你想知道对方有多少头牛，可以这样问：A. Where are the cows?B. How many cows do you have?31.你想表达农场里有十只牛，你应该说：_________A. There are 10 cow at the farm.B. There are 10 cows at the farm.32.—Are they tomatoes?—________A. Yes, they are.B. No, it isn't.33.—________—They are potatoes.A. What are they?B. What is it?34.—Are these carrots?—________A. Yes，it is.B. Yes，they are.C. Yes，they aren't.35.—What's that?—________A. It's an apple.B. Yes, it is.36.一Are they green beans? 一No．．A. they areB. they aren'tC. they not37.--Are those horses? 一A. Yes，those are．B. Yes，they are．C. No．it isn't．38.一what are they?一A. They are hen．B. They are hens．C. It's a hen．39.一How many cows do you have?一A. One hundred．B. They are fat．C. I'm 10．40.—Is this a farm?—________A. No, they aren't.B. Yes, it i s.答案解析部分一、根据图片，选择正确的单词。
1.【答案】A【考点】名词【解析】【分析】图片是一个公园，选项A公园，选项B图书馆，选项C操场，可知选项A 与图片相符，故答案为A.【点评】本题考查了名词辨析，注意先仔细观察图片，然后翻译选项单词，选出与图片相符的单词。
2.【答案】C【考点】名词【解析】【分析】图片是一个农场，选项A学校，选项B班级，选项C农场，可知选项C 符合题意，故答案为C.【点评】本题考查了名词辨析，注意平时牢记单词汉语意思和拼写。
3.【答案】A【考点】名词【解析】【分析】图片是两个洋葱，选项A洋葱，复数，选项B胡萝卜，复数，选项C西红柿，复数，可知选项A符合题意，故答案为A.【点评】先仔细观察图片，然后翻译选项单词，选出与图片相符的单词。
4.【答案】A【考点】名词【解析】【分析】图片是一些西红柿，选项A西红柿，复数，选项B土豆，复数，选项C洋葱，复数，可知选项A符合题意，故答案为A.【点评】先翻译选项单词，然后观察图片，选出与图片符合的选项单词。
5.【答案】C【考点】名词【解析】【分析】图片是一只山羊，选项A马，选项B绵羊，选项C山羊，可知选项C符合题意，故答案为C.【点评】本题考查了名词辨析，注意根据图片选出恰当是单词。
二、单选题【考点】动词【解析】【分析】句意：……我计数。
let me为让我计数，故选A。
【点评】考查学生对感叹句的掌握。
7.【答案】C【考点】介词，陈述句【解析】【分析】句意：看西红柿.它们是黄色的.Look at看.固定词组.故选C.【点评】此题考查固定词组.8.【答案】B【考点】代词【解析】【分析】句意：那些是什么？问句中主语是指示代词，回答要用人称代词代替指示代词，those是复数形式，用they代替，故答案为B。
【点评】考察单词，注意不同人称和单复数形式。
9.【答案】C【考点】疑问句【解析】【分析】根据后句，它们是绿色的.选项A什么，选项B多少，选项C什么颜色.故选C.【点评】此题考查疑问句.10.【答案】C【考点】名词【解析】【分析】根据所给的句子和选项，那些是西红柿吗？tomato复数是tomatoes.故选C. 【点评】此题考查名词复数.11.【答案】A【考点】名词【解析】【分析】句意：尝试吃一些......some一些，修饰可数名词复数或不可数名词，tomato 西红柿，复数是tomatoes.【点评】本题考查了名词复数，注意牢记名词复数规则。
12.【答案】A【考点】代词【解析】【分析】句意：—......是胡萝卜吗？—是的，它们是。
根据答语主语是复数，问句主语也用名词复数，选项A这些，选项B那个，选项C这个，可知选项A符合题意，故选A.13.【答案】A【考点】名词【解析】【分析】句意：这些是......本句需要名词的复数形式，sheep绵羊，复数是本身，故选A.【点评】本题考查了名词辨析，注意根据句意猜测所需的词。
14.【答案】B【考点】数词【解析】【分析】句意：你有……鸭子？根据句意可知此处是问你有多少鸭子，鸭子为可数名词，因此用how many，故选B。
【点评】考查学生对数词的掌握。
15.【答案】B【考点】动词【解析】【分析】句意：这些.....什么？本句主语these意为这些，代表复数名词，be用are，故选B.【点评】本题考查了主谓一致，注意主语与be动词的搭配。
16.【答案】B【考点】名词【解析】【分析】句意：我有4只......选项A母鸡，单数，选项B绵羊，复数，选项C奶牛，单数，本句需要复数形式，故选B.【点评】本题考查了名词辨析，注意区分名词单复数形式。
17.【答案】B【考点】名词，陈述句【解析】【分析】句意：看这些——.哇！它们很聪明.选项A母鸡，选项B绵羊，选项C牛.故选B.【点评】此题考查名词.18.【答案】C【考点】动词【解析】【分析】句意：—那些......是？—它们是奶牛。
those那些，与系动词are连用，故选C.【点评】本题考查了主谓一致，注意主语与be动词的搭配。
【考点】名词，陈述句【解析】【分析】根据所给的后句，美味的和黄色的.选项A胡萝卜，选项B土豆，选项C 洋葱.故选A.【点评】此题考查名词.20.【答案】C【考点】名词【解析】【分析】句意：我看见4个......本句是需要可数名词复数，选项A牛奶，不可数名词，选项B胡萝卜，单数，选项C土豆，复数，可知选项C符合题意，故选C.【点评】本题考查了名词辨析，注意根据句意猜测所需的词。
21.【答案】B【考点】名词【解析】【分析】句意：奶牛能制造......选项A草，选项B牛奶，选项C哭，可知选项B符合题意，故选B.【点评】本题考查了名词辨析，注意根据句意猜测所需的词。
22.【答案】B【考点】名词【解析】【分析】句意：这个农场有很多......a lot of一些，修饰可数名词复数或不可数名词，选项A动物，单数，选项B动物，复数，选项C老虎，单数，可知选项B符合题意，故选B.【点评】本题考查了名词辨析，注意平时多记勤记单词。