Unit6重点词汇学案2021—2022学年人教新目标九年级英语上册

人教版-九上-Unit 6-重点词汇 知识元 重点词汇 知识讲解 1. invent  /ɪn'vent/  vt. 发明；创造 用法 例句 invent动词“发明” The car was invented in 1885. invention名词“发明” Paper making is a great invention of ancient China. inventor名词“发明家” Edison is a great inventor. 辨析：discover与invent 词汇 词义 用法 discover 发现 第一次发现本来已经存在的事物（如某科学真理） invent 发明 发明的对象是以前没有的东西（如工具、手段或方法等）                         2. please  /pli:z/  v. 取悦 用法 例句 please动词，意为“取悦，使......高兴” It's difficult to please everybody. pleasure (un.)“愉快，快乐” (cn.)“乐事” It’s my pleasure to help you. pleased adj.(人)高兴的 pleasant adj.(物)令人愉快的 They went to Qingdao and had a pleasant trip. 3. divide   /dɪˈvaid/  vt. 划分；分离；使产生分歧 divide动词“划分；分离” Please divide these apples into two parts. divide...into...“将...分成” This class is too large; we shall have to divide it into 5 groups for oral practice. 4. by mistake  错误地；无意中 词汇 用法 例句 mistake 名词，意为“错误、失误” He often makes mistakes in spelling. mistake 及物动词，意为“弄错；误解；误会” 过去式mistook 过