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Unit 7 How do things change？
Period 4 Extend 练习
一、为下列单词选择正确的汉语意思。
（ ）1.liquid______ A.液体 B.固体
（ ）2.our world______ A.我们的字母 B.我们的世界
（ ）3.change______ A.不改变 B.改变
（ ）4.freezing______ A.结冰 B.融化
（ ）5.boiling______ A.平淡 B.沸腾
二、连词成句。
1.changing,solid,it’s,into_________________________
2.is,the,solid,a,ice_______________________________
3.is,of,world,what,our,made________________________
4.milk,liquids,and,are,water_______________________
5.air,gas,steam,are,and____________________________
三、为下列图片选择适合的句子或对话。
（ ） （ ） （ ） （ ） （ ）
A.Add some salt to the soup.
B.The ice is a solid.Now it’s melting.
C.We have ice cream.
D.Orange juice is a liquid..
E.The water is boiling.It’s changing into a gas.
四、阅读短文，选择正确的答案。
Today is Sunday. Amy wants to make chicken soup for her family. First, she buys a small chicken, some carrots and potatoes. She washes the chicken and cuts it into small pieces. Then, she puts the chicken into a big pot. She adds some water too. Next, she cuts the carrots and potatoes into small pieces and puts them into the pot. She turns on the fire. She cooks for 40 minutes. Finally, she adds a little salt. The chicken soup is ready! Her family say it's great.
( )1. When does Amy make chicken soup
A. On Saturday. B. On Sunday C. On Monday.
( )2. What does Amy buy for the soup
A chicken, carrots and onions. B. A fish, carrots and tomatoes.
C. A chicken, carrots and potatoes.
( )3. What does Amy do first
A. Cut carrots. B. Buy food. C. Wash the chicken.
( )4. What does Amy add finally
A. Sugar. B. Milk. C. Salt.
( )5. Do Amy's family like chicken soup
A. Yes, they do. B. No, they don't.
中小学教育资源及组卷应用平台
21世纪教育网(www.21cnjy.com)
答案
一、为下列单词选择正确的汉语意思。
ABBAB
二、连词成句。
1.It’s changing into a solid.
2.The ice is a solid.
3.What is our world made of
4.Water and milk are liquids.
5.Air and steam are gas.
三、为下列图片选择适合的句子或对话。
BDEAC
四、阅读短文，选择正确的答案。
BCBCA

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