Unit 6 第2课时 Explore（分层作业）英语沪教版四年级下册（新教材）

Unit 6 How do we measure time? Explore 基础练 一、选出下列单词中划线部分发音不同的一项。 ( ) 1. A. tree B. stress C. truck ( ) 2. A. dry B. trip C. straw ( ) 3. A. train B. drink C. drive ( ) 4. A. trousers B. dream C. street ( ) 5. A. yes B. dry C. try 二、根据句意及首字母提示填写单词，完成句子吧。 1. A m______ has sixty seconds. 2. An h______ has sixty minutes. 3. A d______ has twenty-four hours. 4. A year has twelve m______. 5. We can m______ time with clocks. 三、用所给词的适当形式填空。 1. I ______ (read) a book now. 2. She ______ (have) dinner at 6:00 every day. 3. They ______ (play) football tomorrow. 4. Look! He ______ (sleep) in bed. 5. You can ______ (tell) time with a watch. 四、单项选择题。 ( ) 1. —What ______ you doing? — I’m telling time. A. is B. are C. am ( ) 2. A day ______ 24 hours. A. have B. has C. having ( ) 3. —Is he watching TV?— No, he ______. A. isn’t B. is C. don’t ( ) 4. People ______ different activities at the same time. A. do B. doing C. does ( ) 5. This is an hour. It ______ 60 minutes. A. have B. has C. is 提升练 5、 连词成句，注意大小写和标点符号。 1. doing, you, what, are (?) _______________________________________________________ 2. has, minutes, sixty, an, hour (.) _______________________________________________________ 3. sleeping, he, is, now (.) _______________________________________________________ 4. measure, we, time, clocks, with (.) _______________________________________________________ 5. hours, twenty-four, a, has, day (.) _______________________________________________________ 6、 补全对话，从方框中选择合适的句子，将序号填在横线上。 A: Hi, Mike. 1. ______A. It’s 3 o’clock. B. What are you doing? C. I’m telling time. D. Is she sleeping? E. What time is it? B: 2. ______ A: 3. ______ B: 4. ______ A: 5. ______ B: Yes. She is sleeping in London. 七、【新题型·情景运用】根据课文内容补全短文。 Hi! I can measure time. A 1. ______ has 60 seconds. An 2. ______ has 60 minutes. A 3. ______ has 24 hours. A year has 12 4. ______. People do different things at the same time. In Beijing, children are 5. ______ ready for school. In London, people are 6. ______. In New York, people are having 7. ______. We can tell time with 8. ______ and watches. It’s very useful! 拓展练 八、阅读理解，判断正 (T) 误 (F) We can measure time in many ways. A minute has 60 seconds. An hour has 60 minutes. A day has 24 hours. In Beijing, it’s 7:00 a.m. Children are getting ready for school. In London, it’s 11:00 p.m. People are sleeping. In New York, it’s 6:00 p.m. People are having dinner. They are busy. ( ) 1. A minute has 60 hours. ( ) 2. An hour has 60 minutes. ( ) 3. In Beijing, children are sleeping at 7:00 a.m. ( ) 4. In New York, people have dinner at 6:00 p.m. ( ) 5. People do the same thing at the same time. 参考答案与解析 基础练 一、选出下列单词中划线部分发音不同的一项 1. B 解析：A. tree /tr/；B. stress /str/；C. truck /tr/ 2. B 解析：A. dry /dr/；B. trip /tr/；C. straw /str/，发音不同 3. A 解析：A. train /tr/；B. drink /dr/；C. drive /dr/，发音不同 4. A 解析：A. trousers /tr/；B. dream /dr/；C. street /str/，发音不同 5. A 解析：A. yes /j/；B. dry /ai/；C. try /ai/，发音不同 二、根据课文内容及提示，补全单词 1. minute解析：一分钟有 60 秒，minute（分钟）符合句意。 2. hour解析：一小时有 60 分钟，hour（小时）符合句意。 3. day解析：一天有 24 小时，day（天）符合句意。 4. months解析：一年有 12 个月，month 用复数 months。 5. measure解析：我们可以用钟表测量时间，measure（测量）符合句意。 三、用所给词的适当形式填空 1. am reading 解析：now 提示现在进行时，结构：be+doing，I 搭配 am。 2. has 解析：every day 提示一般现在时，she 是三单，have 变 has。 3. will play/are going to play 解析：tomorrow 提示一般将来时，结构：will + 动词原形。 4. is sleeping 解析：Look! 提示现在进行时，he 搭配 is+doing。 5. tell 解析：情态动词 can 后接动词原形。 四、单项选择 1. B 解析：you 搭配 be 动词 are。 2. B 解析：a day 是三单，表示 “有” 用 has。 3. A 解析：Is 引导的一般疑问句，否定回答：No, he isn’t. 4. A 解析：people 是复数，一般现在时用动词原形 do。 5. B 解析：it 是三单，表示 “有” 用 has。 提升练 五、连词成句 1. What are you doing? 2. An hour has sixty minutes. 3. He is sleeping now. 4. We measure time with clocks. 5. day has twenty-four hours. 六、补全对话 B C E A D 1. B 解析：见面先询问对方正在做什么，用 What are you doing? 2. C 解析：回答正在做的事情：I’m telling time. 3. E 解析：接着询问时间：What time is it? 4. A 解析：回答具体时间：It’s 3 o’clock. 5. D 解析：由答语 Yes. She is sleeping… 可知问句：Is she sleeping? 七、【新题型·思维导图】根据思维导图补全短文 1. minute 2. hour 3. day 4. months 5. getting 6. sleeping 7. dinner 8. clocks 1. minute 解析：根据时间换算常识，一分钟（minute）有 60 秒，且该词以元音音素开头，符合空前不定冠词An的语法规则（注：原题干中 "An 2." 表述有误，结合句意与发音，第二空应填 hour，此处为题干排版 / 表述小瑕疵）。 2. hour 解析：时间换算逻辑为一小时（hour）有 60 分钟，hour发音以元音音素 /ˈaʊə/ 开头，匹配空前An的语法要求，为该空正确答案。 3. day 解析：时间基本单位换算中，** 一天（day）** 有 24 小时，符合句意逻辑。 4. months 解析：根据常识，一年（year）有 12 个月，且空前数字 12 提示需用可数名词复数形式，故填months。 5. getting 解析：句子描述北京孩子的状态，get ready for是固定搭配，意为 “为…… 做准备”；空前有 be 动词are，需用现在分词getting构成现在进行时，表示正在发生的动作。 6. sleeping 解析：结合跨时区时间差异常识，伦敦与北京时差约 8 小时，北京早上孩子准备上学时，伦敦时间较早，人们处于睡觉（sleeping）状态；空前有are，填现在分词sleeping构成现在进行时。 7. dinner 解析：纽约与北京时差约 13 小时，北京白天时，纽约正值傍晚，人们正在吃晚餐（dinner）；have dinner是固定搭配，意为 “吃晚餐”。 8. clocks 解析：表达计时工具的常用搭配为clock（钟表）和watch（手表），且与watches对应，需填复数形式clocks，表示泛指各类计时工具。 拓展练 八、阅读理解，判断正 (T) 误 (F) 1. F 解析：文中 A minute has 60 seconds. 不是 60 hours。 2. T 解析：文中 An hour has 60 minutes. 与题目一致。 3. F 解析：文中 Beijing 早上 7 点 children are getting ready for school，不是 sleeping。 4. T 解析：文中 New York 下午 6 点 people are having dinner，与题目一致。 5. F 解析：文中 People do different things at the same time. 不是 the same thing。 2 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $