Unit 2 单词讲解及词性转换 2022-2023学年人教版八年级英语上册

八上Unit2单词精讲 Unit2单词精讲及词性转换 1. housework n. U 家务劳动;家务事 合成词,类似的还有homework, schoolwork“学业” do housework做家务 2. hardly adv. 几乎不,几乎没有 频率副词,频率大于never hard adv. 努力地 work hard努力学习 adj. 硬的 HB 硬黑 adj.困难的=difficult 3. ever adv.在任何时候,从来,曾经 4. hardly ever几乎从不 5. once adv.曾经; 一次 once a week一周一次 6. twice adv. 两次;两倍 twice a month一月一次 三次或大于三次用three times… 对次数提问用How many times… 对频率提问用How often How often do you watch TV? Once a week.一周一次 7. Internet n.互联网 surf the Internet上网=go online 8. program n.节目 9. full adj.忙的(反free); 满的(反empty); 充满的(be full of=be filled with) The cup is full of water.杯子里装满水。 10. swing n.摆动;秋千 swing dance摇摆舞 11. maybe adv. 大概;或许;可能 may be中的may是情态动词其后加动词原形 12. least adv.最小;最少 adj.最小的;最少的 at least至少;不少于;起码 13. junk food垃圾食品 14. coffee U.咖啡 15. health n.健康;人的身体或精神状态 healthy adj.健康的 keep ~=keep in good health保持健康 16. result n.结果;后果 C as a result结果 17. percent =per cent n.百分之 20% 20percent 基数词+percent+of+n.做主语时,谓语动词的单复数由名词来决定。 Twenty percent of the students are boys. Thirty percent of the