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译林版四年级下册 Unit 3 练习 答案 + 逐题解析
一、英汉互译
1. 保持安全
解析：stay 保持；safe 安全的
2. bus
解析：公共汽车英文单词
3. 在马路上
解析：on the road 固定短语
4. stop
解析：停止
5. 左右看看
解析：过马路安全用语
6. look out / be careful
解析：小心（本单元重点）
7. 交通灯
解析：traffic 交通；light 灯
8. safe
解析：安全的（形容词）
9. 穿过马路
解析：cross 穿过；street 街道
10. wait
解析：等待
二、选词填空
1. traffic
解析：traffic light 交通灯
2. safe
解析：keep safe 保持安全
3. busy
解析：busy 繁忙的，形容马路车多
4. wait
解析：wait for the bus 等公交车
5. cross
解析：cross the street 过马路
三、填空题
（一）单词适当形式填空
1. take
解析：can 后面用动词原形
2. likes
解析：she 是第三人称单数，动词加 s
3. Don’t sleep
解析：祈使句否定：Don’t + 动词原形
4. is
解析：the bus 单数，用 is
5. crossing
解析：before 是介词，后面用doing
6. cross
解析：Let’s 后面用动词原形
7. are
解析：traffic lights 复数，用 are
8. put
解析：Please 开头祈使句，用原形
9. buses
解析：many 后面用复数；bus → buses
10. safety；safe
解析：road safety 道路安全（名词）；It’s safe to do 是安全的
（二）根据中文补全句子
1. road safety
解析：道路安全（固定短语）
2. stop
解析：please 后用原形
3. by bus
解析：乘公交车（固定搭配）
4. cross the street
解析：can 后用原形
5. busy
解析：繁忙的、人来车往的
四、单项选择题
1. C takes
解析：take the bus 乘公交车；uncle 三单
2. C can
解析：绿灯可以过马路
3. B No, it isn’t
解析：在路上玩不安全
4. B crossing
解析：before 介词 + doing
5. B Where
解析：答句是地点，用 Where 提问
6. C to cross
解析：It’s safe to do sth. 做某事是安全的
7. A cross
解析：Let’s 后用动词原形
8. C not
解析：Let sb. not do 让某人不要做
9. A don’t
解析：祈使句否定 Don’t run…
10. A safely
解析：副词 safely 修饰动词 cross
五、翻译题
1. on the road
解析：在马路上
2. crossing the road
解析：before + doing
3. often；bus
解析：often 经常；by bus 乘公交
4. wait for
解析：等待
5. next
解析：next to 靠近
6. Follow；stay safe
解析：follow the rules 遵守规则；stay safe 保持安全
六、补全对话
1. C Let’s go to the zoo.
2. D How can we cross the street safely
3. E Look at the traffic lights.
4. A It’s the red light.
5. B We must wait for the green light.译林版英语四年级（新教材）下册 Unit 3单元重点词汇短语句型精练
学生_______ 姓名______ 班级_______ 考号_______
一、英汉互译。
1．stay safe _______ 2．公共汽车 _______
3．on the road _______ 4．停止 _______
5．look left and right _______ 6．小心 _______
7．traffic light _______ 8．安全的 _______
9．cross the street _______ 10．等待 _______
二、从方框中选单词补全句子。
safe, busy, cross, wait, traffic
1．The ______ light is yellow. Let’s slow down and stop.
2．We must keep ______ when we go to school every day.
3．The road is very ______ at 7 o’clock in the morning.
4．Please ______ for the bus at the bus stop, not on the road.
5．Don’t ______ the street alone. Ask your parents to go with you.
三、填空题。
（一）用括号里单词的正确形式填空，完成句子
1．We can ______ (take) a bus to school.
2．She ______ (like) to fly a kite.
3．______ (not sleep) in class.
4．The bus ______ (be) busy in the morning.
5．Look left and right before ______ (cross) the road.
6．Let’s ______ (cross) the road together.
7．The traffic lights ______ (be) red now.
8．Please ________ (put) your books on the desk.
9．We can see many ________ (bus) in the street.
10．Road________ (safe) is important(重要的) for us. It’s ________ (safe) to cross the road now.（二）根据括号内的中文提示补全句子。
1．Here are the rules about _____________ (道路安全).
2．Please _____ (停止) singing.
3．I go to work ______________. (乘公交车)
4．The light is green and you can __________ __________ __________ (穿过马路).
5．The road is very ________ (人来车往的). There are many cars.
四、单项选择题。
( )1．His uncle often ________ the bus to the factory.
A．by B．on C．takes
( )2．The traffic lights are green. We __________ cross the road now.
A．must B．can’t C．can
( )3．—Is it safe to play on the road
—__________
A．Yes, it is. B．No, it isn’t. C．Yes, we can.
( )4．Please look left and right before __________ the road.
A．cross B．crossing C．crosses
( )5．—__________ is the zebra crossing
—It’s near the school.
A．What B．Where C．Whose
( )6．It’s safe _______ the road now.
A．cross B．crossing C．to cross
( )7．Let’s ______ the road at the zebra crossing.
A．cross B．crossing C．to cross
( )8．Let him _______ play basketball in the street.
A．don’t B．doesn’t C．not
( )9．—Sam, _______ run in the hallways. It’s very dangerous.
—Sorry, Ms Black.
A．don’t B．not C．doesn’t
( )10．We must cross the road _______.
A．safely B．safe C．busy
五、翻译题。
1．不要在马路上玩耍。
Don’t play ___ ___ ___ .
2．过马路前请左右看。
Please look left and right before ___ ___ ___.
3．我妈妈经常坐公交车去上班。
My mother ______ goes to work by ______.
4．你必须等待绿灯。
You must _______ _______ the green light.
5．我们的学校靠近公园。
Our school is ________ to the park.
6．遵守规则，在马路上保持安全！
__________ the rules and __________ __________ on the road.
五、补全对话。
Tom: Hi, Lucy! 1
Lucy: Great! Let’s go.
Tom: Oh, there are many cars on the road. 2
Lucy: First, 3
Tom: Oh, 4 What should we do
Lucy: 5
Tom: OK! Let’s wait here.
A．It’s the red light.
B．We must wait for the green light.
C．Let’s go to the zoo.
D．How can we cross the street safely
E．Look at the traffic lights.

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