人教版八年级英语Unit2重点知识汇总（包括重点单词，短语，语法点以及写作范文）

Unit 2　How often do you exercise? · 重要短语 1. help with housework 帮助做家务 do housework 做家务 2. hardly ever 几乎不 eg: She hardly ever helps with housework. 3. once a week 一周一次 twice a month 一月两次 three times a week 一周三次 a few times a week 一周几次 one to four times a week一周一至四次 once or twice a week一周一两次 4. use the Internet 使用网络 eg: I use the Internet about once a week. 5. have piano lessons上钢琴课 eg: I have piano lessons twice a week. 6. at least 至少 eg: He plays soccer at least twice a week. 7. eat a healthy breakfast[吃一顿健康的早餐 8. improve one’s English 提高某人的英语 eg: We can improve our English by watching English movies. 我们可以通过看英文电影提高英语。 9. junk food 垃圾食品 10. be good for 对......有益 be bad for...对.....有害 eg: Don’t eat too much junk food because it’s not good for our health. 不要吃太多垃圾食品因为它对我们的健康有害。 11. want sb to do sth 想让某人去做某事 eg: My mother wants me to drink milk every day because it’s good for m