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译林版四年级下册英语Unit3 Road safety 知识点梳理及练习
一、必背单词(英汉互译+重点标注)
1.道路,公路 — road 2.公共汽车,巴士 — bus
3.交通信号灯 — traffic lights 4.安全,平安 — safety
5.停止,停下 — stop 6.等候,等待 — wait
7.穿越,横过 — cross 8.乘坐,搭乘 — take
9.保持 — stay
10.安全的 — safe(形容词,对应名词safety)
11.繁忙的 — busy 12.向左边;左边 — left
13.向右边;正确的 — right
14.危险的 — dangerous(反义词safe)
15.接近的,靠近的 — close
二、必备短语(中英对照+高频考点)
1.过马路 — cross the road
2.乘公交 — take a bus / by bus(注意take后接冠词,by后直接接交通工具)
3.等绿灯 — wait for the green traffic light
4.左右看看 — look left and right
5.在马路上 — on the road
6.停下等待 — stop and wait
7.道路安全 — road safety
8.保证安全 — keep safe
9.跟紧点 — stay close
10.向左看 — look left
11.向右看 — look right
12.一条繁忙的马路 — a busy road
三、必背句子(英汉对照+场景运用)
1.我们可以乘坐公共汽车。— We can take a bus.
2.现在安全了,我们可以过马路了。— It’s safe now. We can cross the road.
3.现在是红灯,我们不能走。— The traffic light is red now. We can’t go.
4.不要在马路上跑!这不安全。— Don’t run on the road! It’s not safe.
5.等绿灯。— Wait for the green traffic light.
6.先左右看看。— Look left and right first.
7.现在是绿灯,我们可以走了。— The traffic light is green now. We can go.
8.不要在马路上玩!这不安全。— Don’t play on the road! It’s not safe.
9.跟紧点!— Stay close!
10.对的。— That’s right.
四、语音知识(字母o的两种核心发音+例词)
1.长音 /əʊ/road, go, no, nose, so, hope, rose, home(本单元核心发音,重点记road)
2.短音 /ɒ/hot, dog, stop(交通场景高频词,易考辨音)
五、语法分析(考点+例句+用法说明)
1. 祈使句否定式
· 结构:Don’t + 动词原形
· 含义:表示“不要做某事”,用于交通规则提醒
· 例句:Don’t play on the road. / Don’t cross the road when the light is red.
2. 情态动词can/can’t用法
· 结构:can/can’t + 动词原形
· 含义:能/可以;不能/不可以,表交通场景的许可与禁止
· 例句:We can go now. / We can’t run on the busy road.
3. stop的两种核心用法
· stop to do sth:停下当前动作,去做另一件事(to后接动词原形)
例句:Stop to wait for the green light.
· stop doing sth:停止正在做的事(doing为动词-ing形式)
例句:Stop crossing the road. It’s red now.
4. 固定句型:It’s + 形容词 + to do sth
· 结构:It’s + 形容词(safe/dangerous)+ to do sth
· 含义:表示“做某事是……的”,用于描述交通行为的属性
· 例句:It’s safe to walk on the sidewalk. / It’s dangerous to play on the road.
5. there be句型
· 结构:There is + 单数名词 / There are + 复数名词 + 地点
· 含义:表示“某地有某物”,be动词随后面名词单复数变化
· 例句:There is a traffic light near the park. / There are many cars on the road.
六、写作指导(道路安全主题小作文/海报文案)
1. 写作框架(3句话万能模板,适合四年级)
· 开头:点明主题——Road safety is very important.(道路安全非常重要)
· 中间:写2条核心交通规则——We must wait for the green light. We can’t play on the road.
· 结尾:总结做法——We should look left and right before crossing the road.
2. 海报文案常用句式(简洁易写,适合课堂实践)
· Don’t run on the road!
· Look left and right first!
· Stay close to your parents!
· Keep safe on the road!
3. 写作词汇拓展(加分词,提升作文质量)
· carefully(小心地):Look left and right carefully.
· always(总是):We always follow the traffic rules.
Unit3 Road safety 同步练习题
一、英汉互译(每空1分,共10分)
1.过马路 ____________2.等绿灯 ____________
3.保持安全 ____________4.一条繁忙的马路 ____________
5.左右看看 ____________6.road safety ____________
7.stay close ____________8.take a bus ____________
9.on the road ____________10.stop and wait ____________
二、单项选择(每空2分,共20分)
1.Don’t ______ on the road. It’s dangerous.
A. run B. runs C. running
2.We ______ cross the road when the traffic light is red.
A. can B. can’t C. must
3.It’s safe ______ the road now.
A. cross B. to cross C. crossing
4.______ left and right first before crossing the road.
A. Look B. Looks C. Looking
5.There ______ many cars on the busy road.
A. is B. are C. am
6.We can ______ a bus to the park.
A. take B. by C. taking
7.______ the green traffic light, please.
A. Wait for B. Wait C. Waiting for
8.It’s ______ to play on the road.
A. safe B. not safe C. happy
9.Stay ______ to your mum on the road.
A. close B. far C. right
10.The traffic light is green. We ______ go now.
A. can B. can’t C. don’t
三、按要求改写句子(每空2分,共20分)
1.We can cross the road now.(改为否定句)
We ______ ______ the road now.
2.Run on the road.(改为否定祈使句)
______ ______ on the road.
3.There is a traffic light near the shop.(改为复数句)
There ______ many traffic ______ near the shop.
4.It’s safe to walk on the sidewalk.(改为否定句)
It ______ ______ to walk on the sidewalk.
5.We wait for the green light.(改为祈使句)
______ ______ the green light.
四、连词成句(每句4分,共20分)
1.road, the, don’t, play, on (.)
2.left, right, and, look, first (.)
3.can, we, a, take, bus (.)
4.traffic, red, the, light, is (.)
5.safe, now, it’s (.)
五、根据汉语提示完成句子(每空1分,共30分)
1.现在是绿灯,我们可以走了。
The traffic light is green now. We ______ ______.
2.不要在马路上跑,这不安全。
______ ______ on the road! It’s ______ ______.
3.过马路前先左右看看。
______ ______ ______ ______ first before ______ ______ ______.
4.我们必须跟紧点,马路很繁忙。
We must ______ ______. The road is very ______.
5.等绿灯,然后我们才能过马路。
______ ______ the green traffic light, then we can ______ ______ ______.
参考答案
一、英汉互译
1.cross the road 2. wait for the green traffic light 3. keep safe
4. a busy road 5. look left and right
6.道路安全 7. 跟紧点 8. 乘公交 9. 在马路上 10. 停下等待
二、单项选择
1.A 2.B 3.B 4.A 5.B 6.A 7.A 8.B 9.A 10.A
三、按要求改写句子
1.can’t cross 2. Don’t run 3. are; lights 4. isn’t safe 5. Wait for
四、连词成句
1.Don’t play on the road.
2.Look left and right first.
3.We can take a bus.
4.The traffic light is red.
5.It’s safe now.
五、根据汉语提示完成句子
1.can go
2. Don’t run; not safe
3. Look left and right; crossing the road
4. stay close; busy
5. Wait for; cross the road
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