Unit4 第2课时 Explore（分层作业）英语沪教版三起三年级下册（新教材）

Unit 4 What sounds can we hear? 第二课时 Explore 基础练 一、找出每组中不同类的单词或短语，将答案序号填在题前括号内。 ( ) 1. A. chirp B. buzz C. tree ( ) 2. A. bird B. bee C. wind ( ) 3. A. river B. quack C. path ( ) 4. A. swish B. grass C. pitter-patter ( ) 5. A. duck B. rain C. goose 二、单项选择。 ( ) 1. —What can you hear? —I can hear ______ bee. A. a B. an C. the ( ) 2. Down by the river, we can see a duck ______ past. A. swim B. swims C. swimming ( ) 3. —Let's go outside, Mike! —. I like the nature sounds. A. Thank you B. Good idea C. That's all right ( ) 4. The children are walking in the rain. They hear “Pitter-patter!”. What do they probably do next? A. Keep walking B. Go home C. Climb the tree ( ) 5. I can hear the wind blow the grass. The sound is “”! A. Chirp B. Swish C. Quack 三、看图，写出所缺的字母。 1.The b__ __d is in the tree. It says “Chirp, chirp!”. 2.Look at the b__ __. It's black and yellow. 3.The d__ __k is swimming in the river. 4.We walk along the p__ __th in the park. 5.Listen! The r__ __n is falling. “Pitter-patter!” 提升练 四、选词填空。 swims blows hear outside river 1.Let's go ______. Just you and me! 2.Down by the ______, we see a white duck. 3.I can ______ a bee. It says “Buzz, buzz!”. 4.The wind ______ the grass. The sound is “Swish, swish!”. 5.A duck ______ past the children. 五、用所给词的适当形式填空。 1.What can you ______ (hear) in the tree? 2.Look! The bird ______ (sing) in the tree. 3.I like ______ (walk) along the path with my friend. 4.The rain is falling. We need ______ (go) home now. 5.—What ______ (be) that? —It's a black and yellow bee. 六、从方框中选择合适的句子，补全对话。（有一个多余项） A. Let's go outside! B. What can you hear? C. I can hear a duck. D. It's time to go home. E. What can you see? Tom: Hi, Lily! The weather is nice today. 1. ______ Lily: Great! Let's go down by the river. Tom: Listen! 2. ______ Lily: “Quack, quack!” 3. ______ Tom: Look at the sky! It's cloudy. Lily: Oh, I hear “Pitter-patter!”. It's raining. 4. ______ Tom: OK! Let's go quickly. 拓展练 七、【新题型・海报】同学们要制作 “Nature Sounds” 海报，请从下面 A-E 的选项中选择合适的句子，把字母编号填在海报的横线上。 Come and explore the nature! What can you hear? 1.______ (By the tree) 2.______ (By the river) 3.______ (In the wind) 4.______ (In the rain) Let's enjoy the nice sounds! A. Swish, swish! The wind blows the grass. B. Chirp, chirp! A nice bird in a tree. C. Pitter-patter! I can hear the rain. D. Quack, quack! A duck swims past. E. Oink, oink! A pig is eating. 2 / 2 学科网（北京）股份有限公司 学科网（北京）股份有限公司 参考答案与解析 基础练 一、 1.C 2. C 3. B 4. B 5. B 二、 1.A 解析：bee 是以辅音音素开头的单词，用不定冠词 a 修饰。 2.C 解析：see sb./sth. doing sth. 表示 “看见某人 / 某物正在做某事”，符合语境 “看见鸭子游过”。 3.B 解析：上句提议 “出去走走”，下句回应 “我喜欢大自然的声音”，可知是赞同提议，Good idea 符合语境。 4.B 解析：教材中提到 “I think it's time To go home again!”，结合语境 “下雨了”，孩子们接下来会回家。 5.B 解析：根据教材内容，风吹草的声音是 “Swish”，chirp 是鸟叫，quack 是鸭子叫。 三、 1.ir 2. ee 3. uc 4. a 5. ai 提升练 四、1.outside 2. river 3. hear 4. blows 5. swims 五、 1.hear 解析：情态动词 can 后接动词原形。 2.is singing 解析：Look! 是现在进行时的标志，结构为 be + doing，主语 the bird 是单数，be 动词用 is。 3.walking 解析：like doing sth. 表示 “喜欢做某事”，是固定用法。 4.to go 解析：need to do sth. 表示 “需要做某事”，符合语境 “我们现在需要回家”。 5.is 解析：主语 that 是单数，be 动词用 is。 拓展练 六、 1.A 2. B 3. C 4. D （多余项：E） 七、 1.B 2. D 3. A 4. C $