Unit4 Amazing Plants and Animals SectionB (2a-2d)一课一练2026-2027学年人教版八年级英语上册

**基本信息** 聚焦现在进行时与词汇转换，通过基础巩固-能力进阶-综合应用三层设计，实现从单一语法到语篇运用的递进，提升语言能力与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础巩固层|现在进行时结构、核心短语|单选（如be动词+doing辨析）、动词填空，直接对应课时基础目标| |能力进阶层|词汇转换（动词-名词）、句型表达|词形变化（如invent→invention）、句子翻译，强化语言知识迁移| |综合应用层|语篇语境中的语法与词汇运用|蜜蜂生态主题语篇填空，融合语法、词汇与主题意义，培养综合语言运用能力|

八上 Unit 4 Amazing Plants and Animals Section B (2a-2d)课堂练习 -Oh, I think he ______ his car in the garden. A. is wash B. is washing C. doesn't wash D.washes 2. Look! Some boys _______ soccer happily in the park. A.plays B. is playing C. are playing D. played 3.-Why do you come here? -Because I have ________ to tell you. A. anything important B. important anything C. something important D. important something 4. Could you please turn down the TV? Your father is _______ his article. A. putting on B. working on C. turning off D. looking after 5.-Who ______dinner in the kitchen now? -My mother ______ dinner for us every day. A. is cooking; cooks B. cooking; cooks C. cooks; cook D.cook; cook 二．用所给动词的现在进行时形式填空。 1. It’s 7:20. Jane and her father _________ (walk) in the park. 2. Look! The girl ____ _______(play) the piano. 3. ____ Ben _______(write) a letter now? 4. The boys ____ _______(read) some books in the library at the moment. 5. My parents _____ _______(have) breakfast now. 三．按要求写出正确的单词、词组或句子。 1. 现在 (短语) __________ 2. 骑车 (短语) ___________ 3. 在此刻(短语) __________ 4. 从事于(短语) __________ 5. 洗碗(短语) __________ 6. 重要的事情 (短语) __________ 7. 有空做某事（短语）__________ 8. 打排球（短语）___________ 9. 在此刻你正在做什么？ ___________________________ 10. 我正在做作业。 _______________________ 11. 你想在运动公园打排球吗？___________________ 12. 我想，但是我正在做重要的事情。 参考答案： 一．单项选择题 1-5：BCCBA 二．用所给动词的现在进行时形式填空。 1. are walking 2. is playing 3. Is ; writing 4. are reading 5. are having 三．按要求写出正确的单词、词组或句子。 1. right now 2. ride a bike 3. at the moment 4. at the moment 5. wash dishes 6. something important 7. be free to do 8. play volleyball 9. What are you doing at the moment? 10. I am doing my homework. 11. Do you want to play volleyball at the sports park? 12. I’d love to, but I’m working on something important. 一、写出下列单词的名词形式。 1. invent __________ (发明) 2. curious _________ (好奇的) 3. inform ____________ (通知) 4. dark __________ (黑暗的) 5. possible ____________ (可能的) 6. educate ____________ (教育) 7. sick __________ (生病的) 8. patient __________ (耐心的) 9. discuss ____________ (讨论) 10. celebrate ____________ (庆祝) 2、 用所给词的适当形式填空。 1. We show ________ to all living things. (kind) 2. Frogs are __________ to the ecosystem because they eat insects. (importance) 3. Bees have their own ways of _________ among themselves. (communicate) 4. We should face the _________ of environmental protection. (real) 5. We can’t _________ a world without amazing plants and animals. (imagine) 三、用方框中所给词的适当形式完成语篇填空。 planet protection land although important You may not realize it, but bees play an important role in our ______ ecosystem. The smallest bees are about the size of a coin, while larger ones can grow as big as a human finger. Many people know that bees help to ______ wild plants by collecting pollen. ______, not everyone understands their______ in nature. Bees can live on ______ and in flowers. Because of this, they are popular subjects in studies on ecosystem change. 学科网（北京）股份有限公司 八上 Unit 4 Amazing Plants and Animals Section B (2a-2d)课堂练习 参考答案： 一、写出下列单词的名词形式 1.invent — invention（发明） 2.curious — curiosity（好奇） 3.inform — information（通知；信息） 4.dark — darkness（黑暗） 5.possible — possibility（可能性） 6.educate — education（教育） 7.sick — sickness（疾病） 8.patient — patience（耐心） 9.discuss — discussion（讨论） 10.celebrate — celebration（庆祝） 二、用所给词的适当形式填空 1.We show kindness to all living things. (kind) 2.Frogs are important to the ecosystem because they eat insects. (importance) 3.Bees have their own ways of communication among themselves. (communicate) 4.We should face the reality of environmental protection. (real) 5.We can’t imagine a world without amazing plants and animals. (imagine) 三、用方框中所给词的适当形式完成语篇填空 You may not realize it, but bees play an important role in our planet’s ecosystem. The smallest bees are about the size of a coin, while larger ones can grow as big as a human finger. Many people know that bees help to protect wild plants by collecting pollen. Although, not everyone understands their importance in nature. Bees can live on land and in flowers. Because of this, they are popular subjects in studies on ecosystem change. 解析说明： 1.planet 变为所有格planet’s，修饰 ecosystem，表示 “地球的生态系统” 2.protection 动词形式protect；help to do sth 后接动词原形 3.although 连词，置于句首首字母大写，表转折 “尽管” 4.important 变为名词importance，their 后接名词 5.on land 固定搭配：在陆地上 学科网（北京）股份有限公司 学科网（北京）股份有限公司 $