初二上册英语知识点2015[1]

Unit 1: How often do you exercise?【语言目标】What do you usually do on weekends? I sometimes go to the beachHow often do you eat vegetables? Every day. Most students do homework every day.【应掌握的词组】1. go to the movies 去看电影 2. look after = take care of 照顾3. surf the internet 上网 4. healthy lifestyle 健康的生活方式5. go skate boarding 去划板 6. keep healthy=stay healthy 保持健康7. exercise=take(much)exercise=do sports锻炼 8. eating habits 饮食习惯9. take more exercise 做更多的运动 10. the same as 与什么相同11. be different from 不同 12. once a month一月一次13. twice a week一周两次 14. make a difference to 对什么有影响15. how often 多久一次 16. although = though虽然17. most of the students=most students 18. shop=go shopping=do some shopping 购物19. as for至于 20. activity survey活动调查21. do homework做家庭作业 22. do house work做家务事23. eat less meat吃更少的肉 24. junk food垃圾食物25. be good for 对什么有益 26. be bad for对什么有害27. want to do sth 想做某事 28. want sb to do sth想某人做某事29. try to do sth 尽量做某事 30. come home from school放学回家31. of course = certainly = sure当然 32. get good grades取得好成绩33. some advice 34. hardly=not nearly / almost not几乎不35. keep/be in good health保持健康 36.be stressed紧张的，有压力的37. take a vacation 去度假 48.get back 回来【应掌握的句子】1. How often do you exercise? 你（你们）多久锻炼一次身体？How often + 助动词do(does或did) + 主语 + do sth.? 疑问词how often是问频率(多久一次),（在这里助动词do(does或did) 是起帮助构成疑问的作用）与一般现在时或一般过去时连用，回答一般是用表示频率的副词，如：once, twice, three times„, sometimes, often, quite, often, never, every day, once a week ,twice a month , three times a month , three or four times a month 等。2. ―What do you usually do on weekends?‖ ― I usually play soccer.‖“周末你通常做什么？”“我通常踢足球。”第一个do为助动词, 在这起帮助构成疑问的作用；而第二个do则是实义动词。3. “What’s your favorite program?” “It’s Animal World.” “你最喜欢什么节目？”“动物世界。”4. As for homework , most students do homework every day .as for...意思是“至于；关于”，常用于句首作状语，其后跟名词、代词或动词的-ing形式（即动名词）。5. Mom wants me to get up at 6:00 and play ping-pong with her .want to do sth. 意思是“想要做某事”；want sb. to do sth.意思是“想要某人做某事”。6. She says it‘s good for my初中二年级