Unit 7 How do we keep safe on the road？Extend（讲义）-2025-2026学年沪教版英语四年级上册

Unit 7 How do we keep safe on the road? ⭐Extend知识点清单 一、核心词汇 1. 交通标志与指令 · traffic sign（交通标志）、road（道路）、safe（安全的） · turn left（左转）、slow down（减速）、be careful（小心） · cross the road（过马路）、work on the road（道路施工）、go a different way（走另一条路） · school（学校）、slow（慢的）、careful（小心的） 2. 功能与描述 · keep safe（保持安全）、mean（意思是）、help（帮助） 二、核心句型 1. 交通标志含义（核心） 标志类型 标志含义句 禁止左转标志 Don't turn left.（禁止左转） 学校警示标志 There's a school here. Slow down and be careful.（前方学校，减速慢行） 道路施工标志 Some people are working on the road. Go a different way.（道路施工，请绕行） 人行横道标志 You can cross the road here.（此处可过马路） 2. 单元大问题呼应 · How do traffic signs help us?（交通标志如何帮助我们？） 答句：Traffic signs keep us safe on the road. They tell us rules and warnings, so we know what to do. 3. 标志含义问答 · What does this sign mean?（这个标志是什么意思？） 例：It means "Don't turn left." / It means "Slow down and be careful." 三、语法知识点 1. 祈使句（指令 / 禁令） · Don't + 动词原形（禁止做某事）：Don't turn left. · 动词原形开头（指令）：Slow down. / Be careful. / Go a different way. 2. 情态动词 can 的用法 · can + 动词原形（可以做某事）：You can cross the road here. ⭐Extend同步练 一、选词填空（每空 3 分，共 30 分） 从方框中选择合适的单词，补全句子，每词限用一次。 turn, slow, careful, cross, work, way, sign, mean, safe, help 1. This traffic ______ means "Don't ______ left." 2. There's a school here. ______ down and be ______. 3. You can ______ the road here. 4. Some people are ______ on the road. Go a different ______. 5. Traffic signs ______ us keep ______ on the road. What do these signs ______? 二、单项选择（每题 4 分，共 20 分） ( ) 1. This sign means "______ turn left." A. Don't B. Not C. No ( ) 2. There's a school here. We should ______ down. A. slow B. slows C. slowing ( ) 3. You can ______ the road here. A. cross B. crosses C. crossing ( ) 4. —How do traffic signs help us? —______ A. They keep us safe. B. They are signs. C. It's a road. ( ) 5. This sign means "______ a different way." A. Go B. Goes C. Going 三、情景交际（每题 5 分，共 20 分） 从方框中选择合适的句子，补全对话，每词限用一次。 A. Slow down and be careful. B. What does the “Don’t turn left”sign mean? C. You can cross the road here. D. What does this sign mean? 1. —______ —It means "Don't turn left." 2. —What about the school sign? —______ 3. —What does the zebra crossing sign mean? —______ 4. —______ —It means "We shouldn’t turn left." 四、课文填空（每空 3 分，共 21 分） 根据课文内容，补全短文，每空一词。 Traffic ______ keep us safe on the road. This sign means "Don't ______ left." The school sign means "Slow down and be ______." The construction sign means "People are ______ on the road. Go a different ______." The zebra crossing sign means "You can ______ the road here." Traffic signs tell us rules and help us stay ______ on the road. 参考答案 一、选词填空（每空 3 分，共 30 分） 1. sign; turn 2. Slow; careful 3. cross 4. working; way 5. help; safe; mean 二、单项选择（每题 4 分，共 20 分） 1. A 2. A 3. A 4. A 5. A 三、情景交际（每题 5 分，共 20 分） 1. D 2. A 3. C 4. B 四、课文填空（每空 3 分，共 21 分） 1. signs 2. turn 3. careful 4. working 5. way 6. cross 7. safe 学科网（北京）股份有限公司 $