【培优练习】Unit 2 Part B（英语人教四下）.docx

Unit 2 My classroomPart B培优练习本课时编写：合肥市桂花园学校（东区） 汪敏一、火眼金睛选一选。() 1.How many crayons do you have?_.AFifteenBFourtyCmany() 2.Its a toy car._nice!AHow BHow is CHow are() 3.May I have a look?Sure，here_are.AyourByouCyours() 4._fat panda.Aa Ban CA() 5. Its black_white.Ato Band Cin () 6. Is it in your room?_AYes，it isnt.BNo，it isnt.CNo，it is.() 7 .What is that?_AIt is a bee.BIt is a bees.CIt is bee.() 8. How old are you?_AThank you.BI am ten.CI am fine.二、选出错误的选项并在横线上改正。()1. I English ._()2. what colour is it？_A B C()3. Whats in you bag？_A B C()4. I have many book in my bag._A B C三、想一想，选一选。()1.你们班来了一位新同学，你想把他介绍给大家，你应说：_AHe is Tom，this is my new classmate.BThis is Tom，our new classmate.CWe have a friend.()2.当你饿的时候，你应说：_AI am fine.BI am hungry.CWhat is this?()3.当你想告诉别人你来自中国时，你应说：_AHe is from Chinese.BI am from China.CI am from Canada.()4.当别人问你问题你不知道时，你应说：_ASorry. I dont know.BOK.CGreat.四、读一读，填一填。Mike and Lily are going to the bookstore(书店)In the bookstore，Mike wants(想要) to buy(买) a pen.He says，“I like this pen. How much is it？”The salesman(售货员)answers，“3 yuan.”Lily likes the schoolbag. She buys it. It is 40 yuan.1Mike and Lily buy a _ and a _.2Mike likes the _，Lily likes the _.3The pen is _ yuan. The schoolbag is _yuan.答案和解析一、火眼金睛，选一选。l. A 【解析】本题询问具体数量，排除选项C，B项“四十”单词拼写错误，正确的为forty，综上，本题选A。2. A 【解析】固定搭配，how+形容词，表示惊叹、感叹，意为“真”。3. B 【解析】固定搭配，Here you are.意为“给你”，为日常交际用语，故选B。4. C 【解析】由句意及选项可知为“一只胖熊猫”且在句首，单词首字母需要大写，故选C。5. B 【解析】and表示并列“和”，故选B。6. B 【解析】注意一般疑问句的肯定及否定回答形式即可，故选B。7. A 【解析】注意单复数即可，故选A。8. B 【解析】询问年龄，答句应选B。二、选出错误的选项并在横线上改正。1. Ba改为an 【解析】名词在数量为单数且首字母为元音字母时，用不定冠词an，故选B。2. Awhat改为What 【解析】英语句子中，句首单词首字母应大写，故选A。3. Cyou改为your 【解析】you为人称代词“你”，your为物主代词“你的”，结合句意可知为“你的书包”，故选C。4. Cbook改为books或Bmany改为a【解析】注意名词单复数即可，many+可数名词复数，a+可数名词单数。三、想一想，选一选。1. B 2.B 3.B 4.A 【解析】注意理解句意，并掌握常见交际用语的表达方式即可。四、读一读，填一填。1. pen; schoolbag【解析】由“In the bookstore，Mike wants(想要) to buy(买) a pen.”和“Lily likes the schoolbag.”可知答案。2. pen; schoolbag【解析】由“In