Unit5 A fine balance语法单元复习边讲边练 2026-2027学年外研版英语九年级上册

**基本信息** 初中英语九年级上册Unit5定语从句同步练，以“精讲-基础训练-综合检测”分层设计，实现从单一考点到综合应用的递进，适配新授课知识巩固与语言能力培养。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |核心语法精讲|定语从句基础用法、特殊规则、关系词省略等核心考点|结合生态话题短语，情境化呈现必背考点，夯实语言能力基础| |当堂对点基础训练|关系词填空、主谓一致等单一考点|随学随练，15题聚焦基础应用，直接对应精讲要点，强化思维品质| |单元综合提升检测|单项选择、句型转换、语法改错等综合应用|38题中考标准题型，融合翻译与语境辨析，提升综合语言运用能力|

九年级英语上册 Unit5 A fine balance语法 单元复习边讲边练 内容导读：单元核心语法复习要点·边讲边练（精讲+习题+全解全析） 单元必考核心语法：定语从句 1. that / which 修饰事物的限制性定语从句（本单元核心） 2. that 专属必考特殊规则（只用that、不用which） 3. that/which/who 人/物综合辨析、关系词省略、主谓一致 第一部分 单元核心语法 逐点精讲（必背考点） 考点1：基础用法（修饰事物） 先行词为事物/动物时： 1. that / which 均可引导定语从句 2. 可在从句中作主语（不可省略）、宾语（可省略） 例1：The forest that/which protects wildlife is important.（作主语，不省） 例2：The balance (that/which) we keep is valuable.（作宾语，可省） 考点2：中考最高频——只用that、不用which的5种情况（单元重难点） 先行词指物，满足以下任一条件，只能用that，绝对不能用which： 1. 先行词被 all, little, much, everything, nothing, anything 等不定代词修饰 2. 先行词被 最高级、序数词 修饰 3. 先行词被 the only, the very, the last 修饰 4. 先行词既有人又有物 5. 先行词为 all, no, few 等修饰 考点3：只能用which、不用that的情况（了解易错） 1. 介词之后 只能用 which 2. 非限制性定语从句中只用which（本单元不考，无超纲） 考点4：关系词省略规则（必考填空） 1. 关系词（that/which/who）作从句宾语 → 可以省略 2. 关系词作从句主语 → 绝对不能省略 考点5：定语从句主谓一致 从句谓语动词单复数，跟随前面的先行词： 先行词单数/不可数 → 从句谓语三单 先行词复数 → 从句谓语原形 考点6：单元核心话题短语（生态平衡） 1. natural balance 自然平衡 2. protect the ecosystem 保护生态系统 3. endangered animals 濒危动物 4. in danger of extinction 濒临灭绝 5. keep the balance of nature 保持自然平衡 第二部分 当堂对点基础训练（随学随练·夯实基础） 一、选用正确关系词填空（that / which / who）（1-10） 1. The plants ________ grow in forests protect our earth. 2. This is the best environment ________ we have ever seen. 3. All ________ we need is to protect natural balance. 4. The river ________ was polluted is becoming clean now. 5. The only thing ________ matters is protecting wildlife. 6. Animals ________ live in nature need a safe home. 7. There is nothing ________ can stop us from protecting nature. 8. The trees ________ they planted grow well. 9. This is the first wetland ________ attracts many birds. 10. People ________ protect nature are our heroes. 二、用所给动词正确形式填空（定语从句主谓一致）（11-15） 11. The forest that ________ (provide) homes for animals is huge. 12. The rules that ________ (protect) nature are necessary. 13. A balance that ________ (keep) well makes the world beautiful. 14. The wildlife that ________ (live) here is very precious. 15. The actions that we ________ (take) can change the environment. 第三部分 单元语法综合提升检测卷（中考标准题型） 一、单项选择（16-30，每题2分，共30分） 16. The river ______ runs through our city is very clean now. A. who B. that C. what D. where 17. This is the most beautiful park ______ I have ever visited. A. which B. who C. that D. what 18. All ______ we can do is to protect the natural balance. A. that B. which C. who D. whose 19. The animals ______ live in this ecosystem are very special. A. who B. that C. what D. where 20. This is the only chance ______ we have to save the wetland. A. which B. who C. that D. when 21. The trees ______ we planted last year grow taller day by day. A. / B. what C. where D. when 22. There is nothing ______ is more important than environmental protection. A. which B. that C. who D. whose 23. The environment ______ we live needs our careful protection. A. that B. what C. who D. when 24. The first step ______ we should take is to reduce pollution. A. which B. that C. who D. where 25. The birds ______ fly back in spring make the world lively. A. that B. what C. where D. when 26. This is the very book ______ teaches us ecological knowledge. A. which B. that C. who D. whose 27. The forests and people ______ we protect make a fine balance. A. that B. which C. who D. what 28. The waste ______ pollutes rivers must be controlled strictly. A. who B. that C. what D. when 29. Few things ______ we do can change the earth little by little. A. which B. that C. who D. where 30. The volunteers ______ protect wetlands are warmly praised. A. that B. what C. where D. when 二、句型转换（31-38，每空1分，共20分） 31. The forest is huge. It protects many wild animals.（合并定语从句） The forest ________ ________ many wild animals is huge. 32. This is the best choice. We can make it.（合并定语从句） This is the best choice ________ ________ ________. 33. The river is clear. We often drink water from it.（合并句子） The river ________ we often drink water from ________ clear. 34. Nothing can stop us. It harms the environment.（合并句子） Nothing ________ harms the environment ________ stop us. 35. The action is useful. We take the action.（合并定语从句） The action ________ ________ is useful. 36. This is the only way. We can keep nature balanced.（合并句子） This is the only way ________ ________ keep nature balanced. 37. The plants grow fast. They grow in wetland.（合并句子） The plants ________ ________ in wetland grow fast. 38. We love the nature. It gives us energy and life.（合并句子） We love the nature ________ ________ us energy and life. 三、语法改错（39-43，每题2分，共10分） 每句仅有一处错误，找出并改正 39. This is the best park which I have ever visited. ____________ 40. All what we need is to protect our living environment. ____________ 41. The tree that grow near the river is very tall. ____________ 42. There is nothing which can change the natural balance. ____________ 43. The only thing which matters is our love for nature. ____________ 四、句子翻译（44-48，每空1分，共20分） 44. 保护生态系统的森林是大自然最珍贵的宝藏。 The forests ________ ________ the ecosystem are nature’s most precious treasure. 45. 这是我们守护自然平衡的唯一方法。 This is the only way ________ ________ keep the balance of nature. 46. 我们种植的树木可以净化空气。 The trees ________ ________ can clean the air. 47. 所有能保护野生动物的行动都值得坚持。 All actions ________ ________ protect wild animals are worth keeping. 48. 影响生态平衡的小事都不容忽视。 Small things ________ ________ the ecological balance cannot be ignored. 五、关系词填空（49-53，每题2分，共10分） 49. This is the first wetland ________ I have studied. 50. Everything ________ we do influences our environment. 51. The river ________ flows through the village is clean. 52. The only chance ________ we get is to protect wildlife. 53. People and nature ________ we respect create a fine balance.   解析版答案 一、对点基础训练 1-10 关系词填空 1. that/which 解析：先行词plants指物，从句缺主语，可用that/which。 2. that 解析：最高级best修饰先行词，只用that。 3. that 解析：不定代词All作先行词，只用that。 4. that/which 解析：先行词river指物，从句缺主语。 5. that 解析：the only修饰先行词，只用that。 6. that/which 解析：先行词animals指物，从句缺主语。 7. that 解析：不定代词nothing作先行词，只用that。 8. that/which（可省略） 解析：先行词trees指物，关系词作宾语，可省。 9. that 解析：序数词the first修饰先行词，只用that。 10. who/that 解析：先行词people指人，用who/that。 11-15 动词形式（主谓一致） 11. provides 解析：先行词forest单数，从句谓语三单。 12. protect 解析：先行词rules复数，谓语用原形。 13. keeps 解析：先行词balance单数，谓语三单。 14. lives 解析：先行词wildlife不可数，谓语三单。 15. take 解析：先行词actions复数，谓语原形。 二、综合检测卷 16-30 单项选择 16. B 解析：先行词river指物，从句缺主语，用that。 17. C 解析：最高级修饰，只用that。 18. A 解析：不定代词All，只用that。 19. B 解析：先行词animals指物，用that。 20. C 解析：the only修饰，只用that。 21. A 解析：关系词作宾语，可直接省略。 22. B 解析：nothing不定代词，只用that。 23. A 解析：先行词environment指物，用that。 24. B 解析：序数词the first修饰，只用that。 25. A 解析：先行词birds指物，用that。 26. B 解析：the very修饰先行词，只用that。 27. A 解析：先行词既有人又有物，只用that。 28. B 解析：先行词waste指物，用that。 29. B 解析：few修饰不定事物，只用that。 30. A 解析：先行词volunteers指人，that可指代人。 31-38 句型转换 31. that/which protects 32. that we can make 33. that/which; is 34. that; can 35. that/which we take 36. that we can 37. that/which grow 38. that/which gives 39-43 语法改错 39. which→that 解析：最高级修饰先行词，只用that。 40. what→that / 删去what 解析：不定代词all后只用that，不用what。 41. grow→grows 解析：先行词tree单数，从句谓语三单。 42. which→that 解析：nothing不定代词，只用that。 43. which→that 解析：the only修饰先行词，只用that。 44-48 句子翻译 44. that/which protect 45. that we can 46. that/which we planted 47. that/which can 48. that/which influence 49-53 选词填空 49. that（序数词修饰） 50. that（不定代词） 51. that/which（指物主语） 52. that（the only修饰） 53. that（人+物共用先行词）   学科网（北京）股份有限公司 $