Unit 3 We should obey the rules.Lesson17-Lesson18同步练习（含答案）

Unit 3 We should obey the rules.
Lesson 17
一、将方框内的选项归类到相应的横线上。
A. keep off the grass B. litter
C. pick the flowers
D. take good care of the young children
E. spit on the ground F. play on the street
1. We must:
2. We mustn't:
二、单项选择。
( )1. ! Don't play on the street. It is too dangerous.
A. Look after B. Look at
C. Look out
( )2. The red light is on, so you must wait the green light.
A. for B. of C. to
( )3. Don't spit the ground.
A. in B. at C. on
( )4. What should we do in public places
A. We shouldn't keep quiet.
B. We should keep quiet.
C. We can spit everywhere.
( )5. Sanitation workers (环卫工人) have cleaned the street. You mustn't .
A. litter B. keep off the grass
C. cross the street
三、按要求完成句子。
1. You must be careful when you cross the street.(改为否定句)
You careful when you cross the street.
2. We should look after our parents well.(改为同义句)
We should our parents.
3. You mustn't litter on the ground. (改为祈使句)
litter on the ground.
4. A good child shouldn't pick the flower.(改为复数句)
Good shouldn't pick the .
四、选择正确的应答语。
( )1. What must we do
( )2. Look out! Don't cross the street now.
( )3. Please spit on the paper.
( )4. Are they your children
( )5. You mustn't pick flowers.
A. I'm sorry.
B. We must help each other.
C. OK. I will.
D. Oh, thank you.
E. Yes, they are.
五、核心素养练
同学们，每年都有很多起因不遵守交通规则而造成的事故。请你为全班创编一首英文交通安全歌谣，提醒大家注意交通安全。
读一读，补全句子。
When you at the crossing,
You should cross the street at the .
You shouldn't cross the street at the .
Green green lights, go go go.
Yellow yellow lights, wait wait wait.
Red red lights, stop stop stop.
Lesson 18
一、根据图片，选择合适的选项。
A. litter B. play on the street
C. keep off the grass
D. take good care of young children
E. help old people F. pick flowers
二、单项选择。
( )1. You mustn't play a busy road.
A. at B. on C. in
( )2. Look out! You mustn't cross the street when the light red.
A. is B. are C. am
( )3. Peter, you must good care of your little brother.
A. take B. takes C. to take
( )4. Let's talk these signs.
A. for B. to C. about
( )5. “You mustn't litter.” means “No ” .
A. litter B. littering C. litters
三、用所给词的正确形式填空。
1. You must (wait) for the green light.
2. We (must) cross the street when the traffic light is red.
3. Can you take good care of young (child)
4. The sign says“ No (spit)!”
5. Yang Ming likes to help old (people).
四、核心素养练
同学们，生活中处处有规则。请你为大家制作标语牌，提醒大家遵守规则，人人有责。
请你写出下列图片表达的规则。
五、完形填空。
Anna is my little sister. She is only six years old. Our mother often 1. us to the park. Anna wants to pick a beautiful2. . But my mother tells her not3. the flower. Mother says, “You must keep 4. the grass, Anna.” Anna is sad, and she says, “I just want to pick one for you, Mum.” Mum smiles and says, “Thank you for your 5. , my dear. 6. we should obey the rules.”
( )1. A. take B. takes C. taking
( )2. A. flowers B. flower C. a flower
( )3. A. to pick B. picks C. pick
( )4. A. on B. off C. to
( )5. A. love B. loves C. loving
( )6. A. But B. And C. Or
参考答案：
Lesson 17
一、1. A D
2.B C E F
二、1. C 点拨: look after照顾; look at 看一看; look out 小心。
2. A 点拨: wait for 等待。
3. C 点拨: spit on the ground 在地上吐痰。
4. B 5. A
三、1. needn't to be 点拨: must为情态动词, must 的否定形式为 needn't to。
2. take good care of 点拨; look after… well 照顾好; take good care of照顾好。
3. Don't 4. children; flowers
四、1. B 2. D 3. C 4. E 5. A
五、cross the street; green light; red light
Lesson 18
一、1. C 2. A 3. F 4. D 5. E 6. B
二、1. B 点拨: on a busy road在一条繁忙的马路上面, road搭配介词 on。
2. A 点拨：句意为“小心！红灯的时候不可穿过街道”。
3. A 点拨: take good care of 照看好, must为情态动词,后加动词原形。
4. C 点拨: talk about 讨论。
5. B 点拨: No doing.不要做。
三、1. wait 点拨:must为情态动词,后加动词原形。
2. mustn't 点拨：“当交通灯为红色的时候”，不可以穿过街道。因此应填“mustn't”。
3. children 点拨：根据句意可知此处应填复数“孩子们”，child的复数为 children。
4. spitting 点拨: No doing.为固定用法。spit变为 doing形式为 spitting。
5. people 点拨:此处应填复数“人们”, people 单复数同形。
四、1. Be quiet 2. Don't pick flowers
五、1. B 点拨:本文为一般现在时,Our mother是第三人称单数,动词 take用单三形式 takes。
2. B 点拨：一支美丽的花，因此 flower要用单数形式。
3. A
4. B 点拨: keep off the grass 不要进入草坪。
5. A 点拨: your love 你的爱。
6. A 点拨: But但是,表示转折。