Unit 2 单元语法练习题 2026-2027学年人教版九年级英语上册

**基本信息** 聚焦It's + adj. + for/of sb. to do sth.结构，通过分层题型系统构建for/of辨析逻辑，强化语言应用能力与思维辨析能力。 **专项设计** |模块|题量/典例|题型特征|知识逻辑| |----|-----------|----------|----------| |选择题|15题|考查for/of介词辨析，覆盖kind/dangerous等不同属性形容词|以形容词性质（描述人品质/事物特征）为核心，建立for/of选择规则，形成概念理解逻辑| |句型转换|5题|包含结构改写、同义句转换等，强化句式灵活运用|从基础结构到变式表达，构建“原句-改写-转换”的应用拓展链条| |句子翻译|3题|汉译英考查，聚焦实际语境中的结构输出|连接语法规则与语言实践，形成“规则理解-情境应用”的完整闭环|

一、选择题（共15题） 1. It's very kind ______ you to help me carry the heavy box. A. for B. of C. to D. with 2. It's dangerous ______ kids to swim in the river alone. A. for B. of C. at D. on 3. It was stupid ______ him to forget his own birthday. A. for B. of C. to D. with 4. It's necessary ______ us to wear masks in crowded places. A. for B. of C. at D. on 5. It's polite ______ the boy to give his seat to the old man. A. for B. of C. to D. with 6. It's difficult ______ me to solve this math problem. A. for B. of C. at D. on 7. It was brave ______ her to save the child from the fire. A. for B. of C. to D. with 8. It's important ______ students to listen carefully in class. A. for B. of C. at D. on 9. It's careless ______ you to make so many mistakes in the exam. A. for B. of C. to D. with 10. It's easy ______ him to learn a new language. A. for B. of C. at D. on 11. It's nice ______ you to invite me to your party. A. for B. of C. to D. with 12. It's impossible ______ us to finish the work in one hour. A. for B. of C. at D. on 13. It was wise ______ them to take the doctor's advice. A. for B. of C. to D. with 14. It's good ______ you to do morning exercises every day. A. for B. of C. at D. on 15. It's hard ______ the old man to climb the stairs. A. for B. of C. to D. on 二、句型转换（共5题） 1. To learn English well is useful.（用It作形式主语改写） 2. It's kind of you to help me.（改为同义句） 3. It's easy for me to cook noodles.（改为否定句） 4. It was strange that he didn't come to the meeting.（改为一般疑问句） 5. To keep healthy is important for everyone.（用It作形式主语改写） 三、句子翻译 1. 对我们来说每天锻炼是必要的。 2. 你能帮我真是太好了。 3. 他竟然撒谎，真奇怪。 学科网（北京）股份有限公司 $ 参考答案 一、选择题 1. B 2. A 3. B 4. A 5. B 2. A 7. B 8. A 9. B 10. A 3. B 12. A 13. B 14. A 15. A 二、句型转换 1. It is useful to learn English well. 2. You are kind to help me. 3. It isn't easy for me to cook noodles. 4. Was it strange that he didn't come to the meeting? 5. It is important for everyone to keep healthy. 三、句子翻译 1. It's necessary for us to exercise every day. 2. It's very kind of you to help me. 3. It's strange that he told a lie. 学科网（北京）股份有限公司 $