Unit 6 What do we like about small animals 第3课时 Communicate & Extend(同步练)-2026-2027学年沪教版英语三年级上册

三年级上册英语　Unit 6　What do we like about small animals? 第3课时　Communicate & Extend　练习题（含答案解析） 班级：____________　姓名：____________　得分：____________ 一、基础练 （一）根据首字母和中文提示，写出正确的单词。 1. f________　青蛙　　2. e________　蛋　　　3. t________　尾巴 4. l________　腿　　　5. s________　游泳　　6. j________　跳 （二）选出每组中不属于同一类的一项，把序号写在括号里。 1.（　）A. egg　　B. frog　　C. tail 2.（　）A. swim　 B. jump　　C. tree 3.（　）A. garden　B. tail　　C. legs 4.（　）A. frog　 B. egg　　 C. legs 5.（　）A. big　　B. swim　　C. small 6.（　）A. mouth　B. koala　 C. nose （三）单项选择。 1.（　）—What small animals can you see?　—______　A. I can see a squirrel.　B. I like squirrels.　C. I have a squirrel. 2.（　）A baby frog ______ swim.　A. can　B. is　C. has 3.（　）It has four ______.　A. leg　B. legs　C. leges 4.（　）—What can it do?　—______　A. It is a frog.　B. It can jump.　C. It has a tail. 5.（　）The koala ______ leaves.　A. eat　B. eats　C. eating 6.（　）I can see two small animals ______ the garden.　A. on　B. in　C. at 二、提升练 （四）用所给单词的适当形式填空。 1. A baby frog can ________ (swim).　2. It has four ________ (leg). 3. The frog ________ (have) a big mouth.　4. I can see two ________ (frog) in the pond. 5. ________ (it) tail is long.　　6. They can ________ (jump) and run. （五）连词成句，注意大小写和标点符号。 1. can / what / see / you (?)　　______________________________________ 2. a / see / can / I / squirrel (.)　　______________________________________ 3. four / has / it / legs (.)　　______________________________________ 4. and / can / swim / it / jump (.)　　______________________________________ 5. are / friends / frogs / our (.)　　______________________________________ （六）从方框中选择恰当的句子补全对话，把序号填在横线上。 A. What can it do?　B. I can see a frog.　C. It has no tail.　D. What small animals can you see?　E. It can swim and jump. Amy: 1. ________ Tom: 2. ________ Amy: What does it look like? Tom: It’s green. 3. ________ Amy: 4. ________ Tom: 5. ________ Amy: Great! Frogs are our good friends. 三、拓展练 （七）阅读短文，判断下列句子与短文是否相符，相符的写“A”，不相符的写“B”。 　Look at this small animal. It’s a frog. It lives in a pond. A frog’s life starts from a small egg. A baby frog has a long tail. It can swim, but it can’t jump. Later, it has four legs. Its tail is small and short. It can swim and jump. Now it is a frog! It has a big mouth and no tail. It can eat bad bugs. Frogs are our good friends. 1.（　）A frog’s life starts from a small egg. 2.（　）A baby frog has no tail. 3.（　）A baby frog can jump. 4.（　）A frog has a big mouth and a long tail. 5.（　）Frogs can eat bad bugs. 6.（　）Frogs live in a pond. 参考答案与解析 第3课时　Communicate & Extend　参考答案与解析 一、基础练 （一） 1. frog　2. egg　3. tail　4. legs　5. swim　6. jump 【解析】均为本课核心单词：frog 青蛙，egg 蛋，tail 尾巴，legs 腿，swim 游泳，jump 跳。 （二） 1. C　2. C　3. A　4. C　5. B　6. B 【解析】1 tail 是身体部位，egg、frog 与青蛙生长有关；2 tree 是名词，swim、jump 是动词；3 garden 是地点，tail、legs 是身体部位；4 legs 是身体部位，frog、egg 与青蛙生长有关；5 swim 是动词，big、small 是形容词；6 koala 是动物，mouth、nose 是身体部位。 （三） 1. A　2. A　3. B　4. B　5. B　6. B 【解析】1 回答 What ... can you see? 用 I can see ...；2 can 后接动词原形 swim；3 four 后接可数名词复数 legs；4 回答 What can it do? 用 It can jump.；5 The koala 是第三人称单数，用 eats；6 “在花园里”用 in the garden。 二、提升练 （四） 1. swim　2. legs　3. has　4. frogs　5. Its　6. jump 【解析】1、6 can 后接动词原形；2 four 后接复数 legs；3 The frog 是第三人称单数，用 has；4 two 后接复数 frogs；5 表示“它的”用 Its。 （五） 1. What can you see? 2. I can see a squirrel. 3. It has four legs. 4. It can swim and jump. 5. Frogs are our good friends. 【解析】先确定主语，再按 can 引导的疑问句或 It has ... 的陈述句语序排列；句首首字母大写，标点与括号中一致。 （六） 1. D　2. B　3. C　4. A　5. E 【解析】1 询问“能看到什么小动物”用 What small animals can you see?；2 回答用 I can see a frog.；3 描述外形用 It has no tail.；4 询问能力用 What can it do?；5 回答能力用 It can swim and jump.。 三、拓展练 （七） 1. A　2. B　3. B　4. B　5. A　6. A 【解析】1 短文说 A frog’s life starts from a small egg，相符；2 青蛙宝宝有长尾巴，句子说不长，不符；3 青蛙宝宝会游但不会跳，句子说会跳，不符；4 成蛙有张大嘴但没有尾巴，句子说有长尾巴，不符；5 短文说 It can eat bad bugs，相符；6 短文说 It lives in a pond，相符。 Unit 6　第3课时　Communicate & Extend　第 页 学科网（北京）股份有限公司 $