Unit 5 A fine balance 重点单词,词性转换,短语,语法,句型精练-2026-2027学年外研版九年级英语上册

**基本信息** 本试卷为初中英语Unit 5"A fine balance"单元复习卷，聚焦生态与环境主题，通过词汇默写、变形及应用训练，夯实单元核心知识，适配语言能力与学习能力培养需求。 **题型特征** |题型|题量/分值|知识覆盖|命题特色| |----|-----------|----------|----------| |单词短语默写|28题|降低、生态系统等核心词汇，保持平衡、全球变暖等短语|中英互译夯实基础，覆盖单元主题词汇| |词汇拓展|12题|environment→environmental等词形转换|强化词形变化能力，衔接语法应用| |适当形式填空|10题|environmental problems等词汇应用|结合语境考查词汇变形，提升语言运用能力| |单词拼写|20题|游客、濒危的等单元重点词|语境中巩固拼写，培养词汇记忆能力| |完成句子|10题|为生存抗争等短语运用|聚焦短语实际应用，提升语言表达准确性|

班级 姓名 学号 分数 Unit 5 A fine balance 单元重点单词变形短语语法句型精练 单元知识点默写 一、单词短语默写 英文 中文 英文 中文 单词 降低 游客 生态系统 平衡；使平稳 烟雾 欣赏 标记，痕迹 农田 快速的 社会 取消 允许 伤害，损害 全球的 气体 控制 垃圾 濒危的 脆弱的 世界各地 保护 环境的 人口 幸存 组织 惩罚 短语 保持平衡 伤害…… 全球变暖 温室气体 掌控 濒危动物 环保 人口增长 全球问题 为生存奋斗 2、 词汇拓展（单词变形） 1.environment (n. 环境) → ________ (adj. 环境的) 2.protect (v. 保护) → ________ (n. 保护) 3.globe (n. 地球) → ________ (adj. 全球的) 4.rapid (adj. 快速的) → ________ (adv. 快速地) 5.survive (v. 生存) → ________ (n. 幸存) 6.doubt (v. 怀疑) → ________ (adv. 毫无疑问地) 7.permit (v. 允许) → ________ (n. 许可) 8.harm (v. 伤害) → ________ (adj. 有害的) 9.foreign (adj. 外国的) → ________ (n. 外国人) 10.endangering (v. 危及) → ________ (adj. 濒危的) 11.organise (v. 组织) → ________ (n. 组织) 12.pollute (v. 污染) → ________ (n. 污染) 单元知识点习题训练 一、用所给词适当形式填空 1.We must pay attention to ________ (environment) problems around us. 2.Everyone plays a part in the ________ (protect) of wild animals. 3.This is a ________ (globe) problem that every country should solve. 4.The ________ (rapid) growing population brings much pressure. 5.The small animals fight hard for their own ________ (survive). 6.It is ________ (doubt) true that smog harms our health. 7.You need special ________ (permit) to enter this natural park. 8.Too much rubbish is ________ (harm) to farmland and water. 9.Many ________ (foreign) come to learn about our environmental rules. 10.Humans are putting many wild animals into ________ (danger) situation. 二、单词拼写 20 题 1.The temperature will ________ (降低) a lot tonight. 2.Thousands of ________ (游客) come to this wetland every year. 3.All living things in the ________ (生态系统) depend on each other. 4.We should learn to keep the natural ________ (平衡). 5.Heavy ________ (烟雾) makes it hard to breathe in winter. 6.I often ________ (欣赏) the clean lakes and green hills in the countryside. 7.There is a clear ________ (痕迹) left by rare birds on the ground. 8.More ________ (农田) should be protected from pollution. 9.The ________ (快速的) rise of population worries scientists. 10.We should try our best to make our ________ (社会) greener. 11.The sports meeting will be ________ (取消) because of bad weather. 12.Teachers do not ________ (允许) students to throw rubbish everywhere. 13.Plastic waste will ________ (损害) the soil for many years. 14.We need a large ________ (组织) to carry out the environmental plan. 15.People should control the emission of harmful ________ (气体). 16.It’s hard to ________ (控制) overfishing in some coastal areas. 17.We should save water and cut down kitchen ________ (垃圾). 18.Tigers are ________ (濒危的) animals that need our protection. 19.This kind of plant is ________ (脆弱的) to climate change. 20.The ________ (人口) of this city keeps increasing every year. 三、完成句子 10 题 1.All living things need to ____________ (保持平衡) in nature. 2.Too much plastic rubbish will ____________ (对…… 造成伤害) soil. 3.Many countries are taking action to stop ____________ (全球变暖). 4.Factories should cut the release of ____________ (温室气体). 5.Humans should learn to ____________ (掌控) the number of fishing boats. 6.We should take action to save all kinds of ____________ (濒危动物). 7.Everyone has the duty of ____________ (环境保护). 8.The fast ____________ (人口增长) brings more pollution. 9.Plastic pollution is a serious ____________ (全球性问题). 10.Wild animals have to ____________ (为生存抗争) in the wild. 学科网（北京）股份有限公司 $班级 姓名 学号 分数 Unit 5 A fine balance 单元重点单词变形短语语法句型精练 单元知识点默写 一、单词短语默写 英文 中文 英文 中文 单词 drop 降低 tourist 游客 ecosystem 生态系统 balance 平衡；使平稳 smog 烟雾 admire 欣赏 mark 标记，痕迹 farmland 农田 rapid 快速的 society 社会 cancel 取消 permit 允许 harm 伤害，损害 global 全球的 gas 气体 control 控制 rubbish 垃圾 endangered 濒危的 vulnerable 脆弱的 worldwide 世界各地 protection 保护 environmental 环境的 population 人口 survival 幸存 organisation 组织 punishment 惩罚 短语 keep balance 保持平衡 do harm to 伤害…… global warming 全球变暖 greenhouse gas 温室气体 take control of 掌控 endangered animals 濒危动物 environmental protection 环保 population growth 人口增长 worldwide problem 全球问题 fight for survival 为生存奋斗 2、 词汇拓展（单词变形） 学科网（北京）股份有限公司1 / 5 学科网（北京）股份有限公司 1.environment (n. 环境) → ________ (adj. 环境的) 2.protect (v. 保护) → ________ (n. 保护) 3.globe (n. 地球) → ________ (adj. 全球的) 4.rapid (adj. 快速的) → ________ (adv. 快速地) 5.survive (v. 生存) → ________ (n. 幸存) 6.doubt (v. 怀疑) → ________ (adv. 毫无疑问地) 7.permit (v. 允许) → ________ (n. 许可) 8.harm (v. 伤害) → ________ (adj. 有害的) 9.foreign (adj. 外国的) → ________ (n. 外国人) 10.endangering (v. 危及) → ________ (adj. 濒危的) 11.organise (v. 组织) → ________ (n. 组织) 12.pollute (v. 污染) → ________ (n. 污染) 【答案】 1.environmental，2.protection，3.global，4.rapidly，5.survival，6.undoubtedly，7.permission，8.harmful，9.foreigner，10.endangered，11.organisation，12.pollution 单元知识点习题训练 一、用所给词适当形式填空 1.We must pay attention to ________ (environment) problems around us. 2.Everyone plays a part in the ________ (protect) of wild animals. 3.This is a ________ (globe) problem that every country should solve. 4.The ________ (rapid) growing population brings much pressure. 5.The small animals fight hard for their own ________ (survive). 6.It is ________ (doubt) true that smog harms our health. 7.You need special ________ (permit) to enter this natural park. 8.Too much rubbish is ________ (harm) to farmland and water. 9.Many ________ (foreign) come to learn about our environmental rules. 10.Humans are putting many wild animals into ________ (danger) situation. 二、单词拼写 20 题 1.The temperature will ________ (降低) a lot tonight. 2.Thousands of ________ (游客) come to this wetland every year. 3.All living things in the ________ (生态系统) depend on each other. 4.We should learn to keep the natural ________ (平衡). 5.Heavy ________ (烟雾) makes it hard to breathe in winter. 6.I often ________ (欣赏) the clean lakes and green hills in the countryside. 7.There is a clear ________ (痕迹) left by rare birds on the ground. 8.More ________ (农田) should be protected from pollution. 9.The ________ (快速的) rise of population worries scientists. 10.We should try our best to make our ________ (社会) greener. 11.The sports meeting will be ________ (取消) because of bad weather. 12.Teachers do not ________ (允许) students to throw rubbish everywhere. 13.Plastic waste will ________ (损害) the soil for many years. 14.We need a large ________ (组织) to carry out the environmental plan. 15.People should control the emission of harmful ________ (气体). 16.It’s hard to ________ (控制) overfishing in some coastal areas. 17.We should save water and cut down kitchen ________ (垃圾). 18.Tigers are ________ (濒危的) animals that need our protection. 19.This kind of plant is ________ (脆弱的) to climate change. 20.The ________ (人口) of this city keeps increasing every year. 三、完成句子 10 题 1.All living things need to ____________ (保持平衡) in nature. 2.Too much plastic rubbish will ____________ (对…… 造成伤害) soil. 3.Many countries are taking action to stop ____________ (全球变暖). 4.Factories should cut the release of ____________ (温室气体). 5.Humans should learn to ____________ (掌控) the number of fishing boats. 6.We should take action to save all kinds of ____________ (濒危动物). 7.Everyone has the duty of ____________ (环境保护). 8.The fast ____________ (人口增长) brings more pollution. 9.Plastic pollution is a serious ____________ (全球性问题). 10.Wild animals have to ____________ (为生存抗争) in the wild. 一、词形填空答案 1.environmental，2.protection，3.global，4.rapidly，5.survival，6.undoubtedly，7.permission，8.harmful，9.foreigners，10.endangered 二、单词拼写答案 1.drop，2.tourists，3.ecosystem，4.balance，5.smog，6.admire，7.mark，8.farmland，9.rapid，10.society，11.cancelled，12.permit，13.harm，14.organisation，15.gas，16.control，17.rubbish，18.endangered，19.vulnerable，20.population 三、完成句子答案 1.keep balance，2.do harm to，3.global warming，4.greenhouse gas，5.take control of，6.endangered animals，7.environmental protection，8.population growth，9.worldwide problem，10.fight for survival $