Unit 5 第3课时 Speed up（分层作业）英语外研版三起四年级下册（新教材）

Unit 5 School Activities. 第3课时Speed up. 基础练 一、选出不同类的单词。 ( ) 1. A. plant B. animal C. teacher ( ) 2. A. bird B. flower C. tree ( ) 3. A. baby B. mother C. keeper ( ) 4. A. red B. pink C. happy ( ) 5. A. find B. help C. home 二、图文配对，将图片序号与短语匹配，填字母。 A. pink flowers B. red leaves C. a baby bird D. a bird’s nest E. forest keeper 1.( ) 2. ( ) 3. ( ) 4. ( ) 5. ( ) 三、单项选择。 ( ) 1. Let’s try to ______ the plants and animals. A. find B. finds C. finding ( ) 2. There ______ a tree with red leaves. A. is B. are C. be ( ) 3. Are there ______ birds in the tree? A. some B. any C. a ( ) 4. Let’s call the ______ keeper. A. tree B. forest C. animal ( ) 5. The baby bird is ______ home. A. in B. on C. at 提升练 四、选词填空用所给词的适当形式填空。 there be look help call have 1.______ a baby bird on the ground. 2.______! There are two baby birds in the tree. 3.Can we ______ the baby bird? 4.Let’s ______ the forest keeper. 5.We ______ a special activity for the field trip. 五、口语交际。 从方框中选择合适的句子补全对话。 Lanlan: 1. ____________ Wewei: Yes, and there are some pink flowers.A.Yes, there are. B. Let’s find the teacher. C. Are there any birds? D. Look, there’s a tree with red leaves! E. Let’s call the forest keeper! Lanlan: 2. ____________ Wewei: No… Oh! Yes, there is a bird. A baby bird! Lanlan: Look, Weiwei, there are two baby birds in the tree. Wewei: Yes. 3. ____________ Lanlan: Can we help it? Wewei: 4. ____________ Teacher: Thank you, children! The baby bird is home. Lanlan: Hey, look! The mother bird is back. Wewei: How lovely! 5. ____________ 六、连词成句。 1.①a ②there’s ③with ④tree ⑤red ⑥leaves (.) _____________________________________________________________________ 2.①any ②are ③there ④birds (?) _____________________________________________________________________ 3.①we ②help ③can ④it (?) _____________________________________________________________________ 4.①let’s ②keeper ③the ④forest ⑤call (!) _____________________________________________________________________ 5.①is ②the ③baby ④bird ⑤home (.) _____________________________________________________________________ 七、英汉互译。 1.For the field trip, let’s have a special activity! _____________________________________________________________________ 2.There’s a tree with red leaves. _____________________________________________________________________ 3.我们可以帮助它吗？ _____________________________________________________________________ 4.让我们给护林员打电话吧！ _____________________________________________________________________ 5.This is a very special field trip for us! _____________________________________________________________________ 拓展练 八、阅读理解（判断正T误F） 、Today we have a special field trip. We try to find plants and animals. I see a tree with red leaves and some pink flowers. Then we find a baby bird on the ground. There are two baby birds in the tree. We call the forest keeper and help the baby bird go home. The mother bird comes back. It’s a happy family! ( ) 1. We have a special field trip. ( ) 2. We see a tree with green leaves. ( ) 3. There are three baby birds in the tree. ( ) 4. We call the forest keeper to help the baby bird. ( ) 5. The mother bird comes back at last. 九、新情境创新题。 根据课文内容情境，回答问题。 1.What do the children try to find on the field trip? _____________________________________________________________________ 2.What color are the leaves on the tree? _____________________________________________________________________ 3.What do they find on the ground? _____________________________________________________________________ 4.Who do they call to help the baby bird? _____________________________________________________________________ 5.Is this a special field trip for the children? _____________________________________________________________________ 参考解析 基础练 一、选出不同类的单词 答案：C A C C C 解析： 1.C是职业类名词，A、B是自然事物类名词。 2.A是动物类名词，B、C是植物类名词。 3.C是职业类名词，A、B是家庭成员类名词。 4.C是情绪类形容词，A、B是颜色类形容词。 5.C是名词，A、B是动词。 二、图文配对 答案：B E D C A 三、单项选择 答案：A A B B C 解析： 1.let’s后接动词原形，选A。 2.a tree是单数，用there is，选A。 3.疑问句中表示“一些”用any，选B。 4.forest keeper是固定搭配“护林员”，选B。 5.at home是固定搭配“在家”，选C。 提升练 四、选词填空 答案： 1.There is 2.Look 3.help 4.call 5.have 解析： 1.表示“存在”用there be句型，a baby bird是单数，用There is。 2.引起注意用Look。 3.can后接动词原形help。 4.let’s后接动词原形call。 5.主语we，用动词原形have。 五、口语交际 答案：D C B E A 解析：根据对话逻辑和图片情境，依次匹配句子。 六、连词成句 答案： 1.②①④③⑤⑥ (There’s a tree with red leaves.) 2.②③①④ (Are there any birds?) 3.③①②④ (Can we help it?) 4.①③④②⑤ (Let’s call the forest keeper!) 5.②④③①⑤ (The baby bird is home.) 七、英汉互译 答案： 1.为了这次实地考察，让我们开展一项特别的活动吧！ 2.有一棵长着红叶的树。 3.Can we help it? 4.Let’s call the forest keeper! 5.对我们来说，这是一次非常特别的实地考察！ 拓展练 八、阅读理解 答案：T F F T T 解析： 1.原文第一句提到We have a special field trip，正确。 2.原文是red leaves，不是green leaves，错误。 3.原文是two baby birds，不是three，错误。 4.原文提到We call the forest keeper and help the baby bird go home，正确。 5.原文最后提到The mother bird comes back，正确。 九、新情境创新题 答案： 1.They try to find the plants and animals. 2.The leaves are red. 3.They find a baby bird. 4.They call the forest keeper. 5.Yes, it is. 学科网（北京）股份有限公司 $