人教版八年级下册Unit 2 I’ll help to clean up the city park 复习闯关手册（含答案）

Unit 2 I’ll help to clean up the city park复习讲义 单元核心知识点详解 clean up 打扫干净 用法：及物动词短语，后接地点名词 例句：We need to clean up the classroom after the party. 例题：The students decided _____ the beach on Sunday. (clean) 答案：to clean up 解析：decide to do sth 固定搭配，clean up 接宾语the beach volunteer to do sth 自愿做某事 搭配：volunteer + 不定式 例句：She volunteered to organize the book drive. 例题：Many people _____ (volunteer) help after the earthquake. 答案：volunteered to 解析：根据after判断用过去时，volunteer to do结构 put off doing sth 推迟做某事 对比：put off（推迟） vs. call off（取消） 例题：They put off _____ (hold) the meeting because of the rain. 答案：holding 解析：put off后接动名词 cheer sb up 使振作 变形：cheer up（不及物） 例题：The funny story _____ the crying child. (cheer) 答案：cheered up 解析：及物用法，需接宾语 give out 分发（=hand out） 对比：give away（捐赠） 例题：The teacher _____ the test papers when I entered. (give) 答案：was giving out 解析：根据when从句判断用过去进行时 used to do vs. be used to doing 对比练习： My grandfather _____ smoke, but now he _____ breathing fresh air. (use) 答案：used to; is used to 解析：used to表过去习惯，be used to表现在习惯 help out (with) 帮忙 例题：Could you help me _____ the math problem (out) 答案：out with 解析：help sb out with sth固定搭配 care for 照顾 对比：care about（关心） 例题：Nurses _____ the sick patients day and night. (care) 答案：care for 解析：照顾病人用care for make a difference 有影响 例题：Your donation can _____ in children's lives. (difference) 答案：make a difference 解析：固定短语作谓语 come up with 想出 例题：Scientists _____ a new solution last month. (come) 答案：came up with 解析：last month提示用过去时 语法专项：动词不定式 作宾语 常见动词：agree, choose, decide, hope, learn 例题：They agreed _____ (start) the project early. 答案：to start 解析：agree to do固定搭配 作目的状语 标志词：in order to, so as to 例题：He got up early _____ catch the first bus. 答案：to 解析：不定式表目的 易混辨析 结构意义例题答案 forget to do 忘记要做 Don't forget _____ (lock) the door. to lock forget doing 忘记做过 I'll never forget _____ (visit) Paris. visiting 三、中考题型强化训练 完形填空（精选例题） "Last summer, we _____ (organize) a clean-up activity in the park. Many volunteers _____ (come) to help..." 答案：organized; came 解析：叙述过去事件用一般过去时 阅读理解（环保主题） 文章：关于社区志愿服务项目的报道 问题：What's the main purpose of the "Green Hands" program 答案：To encourage residents to protect the environment. 四、单元写作模板 倡议书结构： 开头：说明活动背景（Nowadays, environmental problems are becoming...） 正文：活动内容（clean up, plant trees） 参与方式（sign up, contact information） 结尾：呼吁行动（Let's work together to...） 范文片段： "We sincerely invite you to join our 'Clean Park' activity this Saturday morning. By volunteering just two hours of your time, you can help make our community more beautiful..." 五、听力提分技巧 关 ... ...