八年级上册英语第二单元知识点复习（2019版）

　　八上unit 2知识点复习
　　一：重点单词
　　housework,hardly,ever,once,twice,internet,program,full,maybe,least,health,result,percent,online,television,
　　although, through, mind, such as, die, dentist, however, than, more than, almost, none, less, less than, point. habit
　　afraid, exercise, free, full, spend ,afraid
　　二：重点词组及固定搭配
　　1;频率副词：always>usually>often>sometimes>hardly ever>never(从不)
　　对频率副词提问用（how often:多久一次）
　　2；看电视：watch tv
　　3；锻炼：exercise
　　4；帮忙做家务：help with housework
　　5:在周末（泛指）：on weekends
　　6:在工作日（指从周一到周五）:on weekdays
　　7；某人有空：sb be free=sb have time
　　8:至少：at least //至多：at most
　　9:垃圾食物：junk food
　　10:喝牛奶/咖啡/茶：drink milk/coffee/tea
　　11;对….有好处：be good for…
　　对…..有害处：be bad for…
　　对某人友好：be good to sb
　　对某人不友好：be bad to sb
　　擅长….:be good at sth/doing sth
　　和….相处得好：be good with…..
　　12；询问某人某事：ask sb about sth
　　13;一点也不：not…at all
　　14：喜欢做某事：like to do sth/like doing sth
　　15;例如：such as.
　　16:it is +adj+(for sb)+to do sth:(对某人来说)做某事是…
　　17：although：尽管，即使，不能与but连用
　　18:熬夜到很晚：stay up late
　　早点睡觉：go to bed early
　　19:多于: more than
　　少于：less than
　　20:(辨析)how often；多久一次。用来询问频率
　　how long：多长。可以询问多长时间，也可问某物有多长。
　　how far：多远。用来询问距离
　　how soon: ＂还要多久＂，是对从某个基本时间到将来某动作结束或某动作发生这段时间提问，常用在一般将来时态的句子中，其答语通常是＂in + 一段时间＂。
　　21:去看电影：go to the movies=see a film
　　22；百分比构成：基数词+percent。
　　23；（1）spend …on ….:在某方面花费时间和金钱
　　spend…(in)doing sth:花费…做某事
　　spend time with sb:和某人共度时光
　　(2)it takes sb.  时间 to do sth： 做某事花了某人多少时间
　　(3)sth. costs (sb.)  金钱: 某物花了（某人）多少钱
　　(doing) sth. costs (sb.)  时间：某物（做某事）花了（某人）多少时间
　　(4)pay (sb.) money for sth：付钱（给某人）买……
　　24：go to the dentist:去看牙医
　　see the doctor:看医生
　　25：be afraid to do sth:害怕做某事
　　be afraid of sb/sth:害怕某人/某物
　　26：in one’s free time:在某人的空余时间
　　27：最受欢迎的：the most popular
　　28: use the internet:用互联网
　　surf the internet/go online:上网
　　29: how about…?/what about…?....怎么样？
　　30：通过做某事：by doing sth
　　31：start doing sth:开始做某事
　　start with..: 以…开始
　　32；want sb to do sth:想要某人做某事
　　33；照顾：look after/take care of
　　三：重点句子
　　1：how often do you exercise？你多久锻炼一次？
　　2；twice a week:一个星期两次
　　3：what do you usually do on weekends?
　　what does she do on weekends?
　　4：how may hours do you usually sleep at night?晚上你通常睡几个小时？
　　5：next week is quite full for me .下周对我来说非常忙
　　6: and twenty percent do not exercise at all.
　　7：it is good to relax by using the internet or watching games shows, but we think the best way to relax is through exercise
　　8：old habits die hard:旧习难改
　　9:(辨析)jane is a 16-year-old student.简是一个16岁的学生。
　　jane is 16 years old.简是16岁。
　　10: jane has a lot of good habits. however, she has some bad habits, too.
　　四：练习题
　　ⅰ.单项填空（每小题1.5分，满分15分）
　　1.________ he is ill, ________he goes to school.
　　a. although; but b. /; / c. although; / d. but; although
　　2. they watch tv________.
　　a. one a week b. once a week c. one the w eek d. once week
　　3. the old man is well because he often_______.
　　a. exercises b. drinks  c. sleeps  d. play
　　4.—________do you read english books?
　　—twice a day.
　　a. how many b. how much  c. how long d. how often
　　5. lily usually starts the day ________breakfast.
　　a. with b. from  c. at d. of
　　6. nancy is because she has a good habit.
　　a. tall b. busy c. interesting d. healthy
　　7. xiao zhang watches tv. he likes surfing the internet.
　　a. hard ever b. hardly ever c. doesn’t hard ever d. doesn’t hardly ever
　　8. eating a lot of vegetables good for your health.
　　a. am b. is c. are d. be
　　9. the boy is too young to himself.
　　a. look at b. look after c. look on d. look up
　　10. he late for school.
　　a. is often b. often is c. does often  d. often does
　　ii.词汇运用（每小题1分，满分10 分）
　　a.根据句意及汉语提示完成句子。
　　51. grandma is very healthy because she (锻炼) every day.
　　52. please speak aloud, i can (几乎不) hear you.
　　53. we (尽力) to eat a lot of vegetables to keep healthy.
　　54. walking helps you to keep in good (健康).
　　55. there are some (不同) between the tiger and the cat.
　　b.用所给单词的正确形式填空。
　　56. some students watch tv (two) a week.
　　57. most of them play sports three or four (time) a week.
　　58. she looks pale(苍白). i think she i s kind of (health).
　　59. our teacher wants us (read) english every morning.
　　60. can you find five (different) in the two pictures?
　　iii.句型转换（每小题1分，满分5分）
　　61. my sister is ill. i must take care of her at home.（改为同义句）
　　my sister is ill. i must______ ______ her at home.
　　62. we usually go to the movies on weekends.（对画线部分提问）
　　________ ______ ______ ______ ______ on weekends?
　　63. tom goes to bed at ten in the evening.（改为否定句）
　　tom ______ _______ to bed at ten in the evening.
　　64. they always see a film on saturdays.（改为同义句）
　　they always _______ _______ ________ _______ on saturdays.
　　65. i sleep nine hours every night.（对画线部分提问）
　　________ ________ _______ do you sleep every night?