Unit 4 Reduce, Reuse, Recycle单元语法专项训练2026-2027学年人教版九年级英语下册

**基本信息** 聚焦状语从句与宾语从句辨析，通过“概念-应用-综合”三级训练体系，系统提炼连接词选用及时态规则，强化语言理解与逻辑分析能力。 **专项设计** |模块|题量/典例|方法提炼|知识逻辑| |----|-----------|----------|----------| |规则填空|6题|从句定义及连接词功能分类|从概念本质区分从句类型| |基础填空|10题|连接词选用及时态呼应规则|应用连接词解决基础语法问题| |单项选择|12题|从句类型判断及连接词辨析|通过语境强化从句功能认知| |句型转换与完成句子|6题|句式改写及连接词替换技巧|提升语言表达的准确性| |语篇填空|6空|连接词在语篇中的综合运用|实现语法知识向语用能力迁移|

Unit 4 Reduce, Reuse, Recycle 单元语法专项训练 2026—2027学年 人教版九年级英语下册 训练重点：状语从句与宾语从句辨析；连接词 姓名__________ 班级__________ 一 规则填空 1. 宾语从句说明know、wonder等动词的______。 2. 状语从句可说明原因、时间、条件、目的等______。 3. I wonder if...中的if常表示______；If we act...中的if表示______。 4. unless表示“______”，通常相当于if...not。 5. while除表示时间“当……时”外，还可表示_________。 6. 主句为将来时，条件、时间状语从句通常用一般现在时；宾语从句可按语境用______时。 二 基础填空 用括号内所给词的适当形式填空，或根据提示填写正确的词。 1. I know ______ this bottle can be reused. (填连接词) 2. Please tell me ______ to sort this rubbish. (询问方法) 3. We won't solve the problem _______ everyone helps. (unless / although) 4. I don't know _________ or not this can be recycled. (if / whether) 5. We turn off the lights ______ we leave. (when / but) 6. If everyone _______ (bring) a reusable bottle tomorrow, we will need fewer cups. 7. I wonder if the school _______________ (collect) old books next week. (用will) 8. We sort paper separately _________ it can be recycled. (说明原因) 9. ______ reusing things helps, buying less is also important. (While / Until) 10. I'll show you the bins as soon as you _______ (arrive). 三 单项选择 1. “I know that plastic waste is a problem.”中that从句是____。 A. 宾语从句 B. 条件状语从句 C. 时间状语从句 D. 定语从句 2. “We use cloth bags because they last longer.”中because从句说明____。 A. 原因 B. 时间 C. 宾语内容 D. 人物身份 3. I don't know ____ this box should go. (询问位置) A. whose B. who C. where D. what 4. If she ____ tomorrow, we will show her our project. A. has come yesterday B. came C. will come D. comes 5. I don't know if she ____ tomorrow. (一般将来时) A. will come B. was coming C. came D. has come 6. We won't reduce waste ____ everyone changes some habits. A. although B. so that to C. but D. unless 7. ____ recycling is useful, it cannot solve every problem. A. Because of B. So C. Despite D. While 8. I'll call you ____ the collection starts. (一开始就) A. unless B. as soon as C. but D. although 9. Please explain ____ these materials can be reused. (询问方法) A. who B. how C. what time D. whose 10. We keep the bottles ____ we can use them again. A. but B. unless C. so that D. although 11. Which sentence has an object clause? A. We will act if the river gets dirty. B. We check the river when we walk past. C. We wonder why the river is dirty. D. We act because the river is dirty. 12. The air was ____ polluted that we stayed indoors. A. enough B. so C. too D. such 四 句型转换与完成句子 1. “Can this box be reused?”（接在I wonder后，使用whether） I wonder _______________________________________. 2. If we don't work together, we won't solve it.（用unless改写） _____________________________, we won't solve it. 3. We save paper. We want fewer trees to be cut down.（用so that、will合并） We save paper ______________________________________________. 4. The air became clean. She felt better immediately.（用as soon as合并） She felt better ________________________________________. 5. Recycling helps, but reducing waste is more important.（用While表示让步改写） ___________________________, reducing waste is more important. 6. I don't know if the team will come. / If the team comes, we will start.（分别写出两个if的含义） 第一个if表示______；第二个if表示______。 五 语篇填空 从that、whether、because、unless、as soon as、while中各选一项填空。 Our class knows (1) ________ small actions matter. We asked the caretaker (2) ________ the school could add another paper bin. We needed one (3) ________ the old bin was always full. He said he would help (4) __________ he found a suitable place. (5) ________ a new bin would help, we also needed to use less paper. We cannot make lasting changes (6) ________ we change our daily habits. 参考答案与解析 一 规则填空 1. 内容。回答知道或想知道什么。 2. 关系。如because...说明原因。 3. 是否；如果。根据从句在句中的作用判断。 4. 除非。不要重复增加否定词。 5. 虽然 / 尽管。如While recycling helps, it is not enough。 6. 一般将来。比较if he comes与know if he will come。 二 基础填空 1. that。宾语从句成分完整，用that。 2. how。how to sort表示如何分类。 3. unless。必须共同参与，unless表示条件。 4. whether。whether or not结构。 5. when。时间从句。 6. brings。条件从句用一般现在时。 7. will collect。宾语从句if表是否，可用将来时。 8. because。because引导原因从句。 9. While。while在此表示虽然。 10. arrive。将来时间从句用一般现在时。 三 单项选择 1. A（宾语从句）。说明know的内容。 2. A（原因）。解释使用布袋的原因。 3. C（where）。宾语从句询问位置。 4. D（comes）。条件从句现在时。 5. A（will come）。if作宾语从句连接词，意为是否。 6. D（unless）。unless表示必要条件。 7. D（While）。while表示让步。 8. B（as soon as）。一开始就打电话，表示时间紧接。 9. B（how）。how询问再利用的方法。 10. C（so that）。目的为再次使用。 11. C（We wonder why the river is dirty.）。why从句作wonder的宾语。 12. B（so）。so+形容词+that表示结果。 四 句型转换与完成句子 1. I wonder whether this box can be reused. 宾语从句恢复陈述语序。 2. Unless we work together, we won't solve it. unless包含否定条件意义。 3. We save paper so that fewer trees will be cut down. 表达目的，保留被动结构。 4. She felt better as soon as the air became clean. 两个过去动作紧接发生。 5. While recycling helps, reducing waste is more important. while意为虽然。 6. 第一个if表示是否；第二个if表示如果。 前者引导宾语从句，后者引导条件状语从句。 五 语篇填空 1. that 2. whether 3. because 4. as soon as 5. While 6. unless that、whether引导宾语从句；because为原因；as soon as为时间；while为让步；unless为条件。末句not...unless说明改变习惯是必要条件。 语篇还原 Our class knows that small actions matter. We asked the caretaker whether the school could add another paper bin. We needed one because the old bin was always full. He said he would help as soon as he found a suitable place. While a new bin would help, we also needed to use less paper. We cannot make lasting changes unless we change our daily habits. 第 1 页 共 1 页 学科网（北京）股份有限公司 $