7A第四单元知识过关第1讲--词汇 一、本单元主题单词表 主题类别 单词 词性 单词变形 例句（贴合单元语境） 学校生活与活动 singer n. 单数：singer；复数：singers（歌手们） My uncle is a famous singer. He has many fans around the country. activity n. 单数：activity；复数：activities（活动） We have lots of after-school activities, such as singing contests. homework n. 不可数（无复数） After the "double reduction" policy, students have less homework to do. lesson n. 单数：lesson；复数：lessons（课程） We have a piano lesson once a week, on every Friday afternoon. exam n. 单数：exam；复数：exams（考试） My mother often helps me with my exams. trip n. 单数：trip；复数：trips（旅行） Lucy likes to take part in the school trip with her friends. practise v. 三单：practises；ing 形式：practising She practises speaking English with her friend every evening. join v. 三单：joins；ing 形式：joining I join the Table Tennis Club every Saturday morning. 自然与环境 nature n. 不可数（无复数） You can get close to nature when you go camping in the countryside. environment n. 单数：environment；复数：environments（环境） It's our duty to protect the environment. plant n. 单数：plant；复数：plants（植物） We learn how to take care of plants from chores. biology n. 不可数（无复数） I am studying biology hard because I like animals and plants. 时间与频率 weekday n. 单数：weekday；复数：weekdays（工作日） My mom is very busy on weekdays. weekend n. 单数：weekend；复数：weekends（周末） We usually go hiking with our family on weekends. usually adv. 无变形（频度副词） We usually have a class meeting on Monday afternoon. seldom adv. 无变形（频度副词） Lucy seldom goes out alone at night because it's not safe. 情感与感受 moving adj. 无变形（修饰事物） The story about the little hero is so moving that everyone feels sad. moved adj. 无变形（修饰人） We are all moved by the little hero's story. tiring adj. 无变形（修饰事物） After a tiring walk, my grandparents felt a little tired. tired adj. 无变形（修饰人） My father feels tired after a long day's work. 行动与状态 get up v. 短语 三单：gets up；过去式：got up My father usually gets up early to make breakfast for our family. leave for v. 短语 三单：leaves for；过去式：left for I'll leave for Beijing tomorrow morning to visit my grandparents. hear from v. 短语 三单：hears from；过去式：heard from 二、本单元易错单词表（含易错点分析） 易错单词 易错点分析 正确变形 / 用法 正确例句 错误示例（需避免） activity 复数易漏写 “y 变 i 加 es”，误写为 “activitys” 复数：activities There are many different activities in our school. There are many different activitys in our school. （×） practise 易混淆 “practise”（动词）与 “practice”（名词）；后接动词易误接 “to do”，正确接 “doing” 动词：practise doing sth；名词：practice He practises playing basketball after school every day. （动词）We have a piano practice on Friday. （名词） He practises to play basketball after school. （×） interesting 易混淆 “-ing”（修饰事物）与 “-ed”（修饰人） ... ...
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