Unit 2 词汇与知识点精讲-【精品课】2023-2024学年八年级上册英语教学同步精美课件（人教版）

人教版 八年级上册 词汇和语言知识点讲练 Unit 2 How often do you exercise? 单元词汇讲解 n.家务劳动家务事 例句： He is too lazy so he hardly does housework. 拓展：含有-work的其他合成词 schoolwork 功课 homework 家庭作业 构成： house（n. 房子） + work（ n. 工作） 短语： do (the) housework 做家务 adv. 几乎不； 几乎没有 拓展：hardly 与 hard hardly adv. 意为“几乎不；几乎 没有”，表示否定意义 hard adv. 意为“努力地；猛烈地” adj. 意为“坚硬的；困难的； 艰苦的” 例句： a) David can hardly speak Chinese. b) Tom hardly eats breakfast, does he? hardly and water adv. 一次；曾经 a) She goes to the beach once a week. b) I once met your mother. 例句： 拓展：once 构成的常见短语 once again 再一次 at once 立刻；马上 once in a while 有时；偶尔 adv. 两次；两倍 a) I go to the movies twice a week. b) The ruler is twice as long as that one. 例句： 短语： twice a week 一周两次 think twice 再三考虑 拓展： “一次”用once，“两次”用 twice，“三次及以上”用“基 数词＋times”如：twice a day, four times a year n.（国际）互联网；因特网 短语： surf the Internet 上网；网上冲浪on the Internet 在网上 a) John surfs the Internet once a day. b) Mary likes shopping on the Internet. 例句： 简写：Net 首字母通常大写， 且与定冠词the连用 Her life was too full. Life is full of love everywhere. 例句： adj. 忙的；满的；充满的；饱的 (1) 忙的 = busy，其反义词是 free (2) 满的；充满的，反义词是 empty (3) 饱的，反义词是 hungry 短语： be full of… 充满……的； 装满……的 反义词： 过去式：swung a) The children are playing on the swings. b) Jack’s arms swung as he walked. 例句： n. 摆动；秋千 v. （使摆动）； 摇摆 短语： swing dance 摇摆舞 adv. 大概； 或许；可能 Maybe she went to the mountains with her friends. 例句： 辨析：maybe 与 may be maybe:大概；或许；可能。副词，在句中 作状语，常用于句首 may be: 可能是,“情态动词may＋动词原 形be”，在句中作谓语 Maybe he is at home. =He may be at home. maybe under the bed a) It takes him at least an hour to do the housework. b) It’s the least I can do to help. 例句： adv. 最小；最少 adj. & pron. 最小的；最少的 短语： at least 至少；不少于；起码 反义短语： at most 至多；不超过 least money n. 健康；人的身体(或精神)状态 例句： She thinks junk food is bad for her health. 拓展： healthy adj. 健康的 healthily adv. 健康地 unhealthy adj. 不健