内容正文:
Unit 7 How do we keep safe on the road 第2课时 Explore (同步练)-2026-2027学年沪教版英语四年级上册(新教材)
班级:__________ 姓名:__________
基础练
一、英汉词组互译。
1. 等绿灯 → ________________
2. 左右看 → ________________
3. 过马路 → ________________
4. 减速慢行 → ________________
5. keep safe → ________________
6. follow the traffic rules → ________________
7. wear a helmet → ________________
8. traffic signs → ________________
二、连词成句,注意大小写和标点符号。
1. wait, the, green, for, light (.)
________________________________________________
2. look, we, should, left, right, and (.)
________________________________________________
3. don't, please, run, the, on, road (.)
________________________________________________
4. children, can't, 12, under, ride, the, on, road (.)
________________________________________________
5. slow, be, and, down, careful (.)
________________________________________________
6. keep, and, safe, follow, the, rules (.)
________________________________________________
三、根据汉语提示完成句子,每空一词。
1. 过马路前要左右看。
______ ______ ______ ______ before you cross the road.
2. 我们应当在十字路口等绿灯。
We should ______ ______ the ______ ______ at the crossing.
3. 不要在公路上跑。
______ ______ on the road.
4. 12 岁以下的儿童不能在公路上骑车。
Children ______ 12 can't ______ on the road.
5. 请减速慢行。
Please ______ ______.
6. 遵守交通规则可以让我们保持安全。
Following the traffic rules can ______ ______ ______.
提升练
四、按要求改写句子。
1. We should cross the road now.(改为否定句)
We ______ ______ cross the road now.
2. Children can ride bikes on the road.(改为否定句)
Children ______ ______ bikes on the road.
3. The light is red.(改为一般疑问句)
______ the light ______?
4. Please run on the road.(改为否定祈使句)
______ ______ on the road, please.
5. We must stop when the light is red.(对画线部分 when the light is red 提问)
______ ______ we ______?
6. It means “Slow down”.(对画线部分 Slow down 提问)
______ does it ______?
五、找出下列句子中的一处错误并改正。
1. Children under 12 can ride on the road. ________
2. Don't running on the road. ________
3. Look left and right before you crossing the road. ________
4. We should wait to the green light. ________
5. It's danger to play on the road. ________
6. Please don't to run on the road. ________
六、从方框中选择合适的句子补全对话,把其编号写在横线上。(每项限用一次)
A. What should we do when the light is red?
B. How do we cross the road safely?
C. We should wait for the green light.
D. Look left and right first.
E. Please don't run on the road.
Kim: Dad, look at the traffic light! (1) ______
Dad: (2) ______ And we mustn't cross now.
Kim: I see. (3) ______
Dad: First, (4) ______ Then cross carefully.
Kim: Can I run on the road?
Dad: No. (5) ______ It's dangerous!
Kim: OK. Thank you, Dad.
拓展练
七、用括号内所给单词的适当形式补全短文,使短文完整通顺。
It is very (1)______ (danger) to play on the road. So we must (2)______ (follow) the traffic rules. When the light is red, we should (3)______ (wait). When it turns green, we can (4)______ (cross) the road. Before we cross, we must look left and right (5)______ (careful). Look at the traffic (6)______ (sign) on the road. We should also wear a (7)______ (helmet) when riding a bike. Let's keep (8)______ (we) safe on the road!
参考答案与解析
一、英汉词组互译。
1. wait for the green light
2. look left and right
3. cross the road
4. slow down
5. 保持安全
6. 遵守交通规则
7. 戴头盔
8. 交通标志
【解析】牢记本单元固定搭配:wait for the green light 等绿灯;look left and right 左右看;cross the road 过马路;slow down 减速慢行;keep safe 保持安全;follow the traffic rules 遵守交通规则;wear a helmet 戴头盔;traffic signs 交通标志。
2、 连词成句,注意大小写和标点符号。
1. Wait for the green light.
2. We should look left and right.
3. Please don't run on the road.
4. Children under 12 can't ride on the road.
5. Slow down and be careful.
6. Follow the rules and keep safe.
【解析】
1.wait for the green light 等绿灯,祈使句首字母大写;
2. should 后接动词原形,look left and right 左右看;
3. 否定祈使句用 Please don't + 动词原形;
4. children under 12 作主语,can't 后接动词原形 ride;
5. 祈使句用 Slow down and be careful.;
6. 祈使句用 Follow the rules and keep safe.。
3、 根据汉语提示完成句子,每空一词。
1. Look left and right
2. wait for; green light
3. Don't run
4. under; ride
5. slow down
6. keep us safe
【解析】
1.“左右看”look left and right,祈使句首字母大写;
2. wait for the green light 等绿灯;
3. 否定祈使句 Don't run;
4. “12 岁以下”用 under 12,“骑车”用 ride;
5. slow down 减速慢行;
6. keep us safe 使我们保持安全,keep + 宾语 + 形容词。
4、 按要求改写句子。
1. shouldn't cross
2. can't ride
3. Is; red
4. Don't run
5. When must; stop
6. What; mean
【解析】
1.should 的否定式是 shouldn't,后接动词原形;
2. can 的否定式是 can't,后接动词原形 ride;
3. 含 be 动词的一般疑问句把 is 提到句首,首字母大写;
4. 祈使句的否定形式为 Don't + 动词原形;
5. 对“红灯时”这一时间提问用 When,改为 When must we stop?;
6. 对内容提问用 What,助动词 does 后接动词原形 mean。
5、 找出下列句子中的一处错误并改正。
1. can→can't
2. running→run
3. crossing→cross
4. to→for
5. danger→dangerous
6. 去掉 to(don't to run→don't run)
【解析】
1.12 岁以下儿童“不能”在公路上骑车,应用 can't;
2. Don't 后接动词原形,running→run;
3. before 后接从句或动词,从句中用一般现在时,crossing→cross;
4. wait for 是固定搭配,to→for;
5. be 动词后接形容词,danger→dangerous;
6. don't 后直接跟动词原形,不用 to。
六、从方框中选择合适的句子补全对话,把其编号写在横线上。(每项限用一次)
1. A 2. C 3. B 4. D 5. E
【解析】对话围绕过马路展开:
1.见红灯时问“我们该做什么”,用 What should we do when the light is red?;
2. 回答“应等绿灯”,用 We should wait for the green light.;
3. 接着问“如何安全过马路”,用 How do we cross the road safely?;
4. 回答第一步“先左右看”,用 Look left and right first.;
5. 提醒“不要在公路上跑”,用 Please don't run on the road.。
七、用括号内所给单词的适当形式补全短文,使短文完整通顺。
1. dangerous
2. follow
3. wait
4. cross
5. carefully
6. signs
7. helmet
8. us
【解析】
1.be 动词后用形容词 dangerous;
2. must 后接动词原形 follow;
3. should 后接动词原形 wait;
4. can 后接动词原形 cross;
5. 修饰动词 look 用副词 carefully;
6. traffic 后接名词复数 signs 表示多条标志;
7. 不定冠词 a 后接名词 helmet;
8. keep 后接宾格 us。
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