人教版八年级上Unit2知识点学案


  Unit 2 How often do you exercise?
Section A
1.hardly adv.“几乎不;几乎没有”的用法
hardly为否定副词,一般位于行为动词前,be动词、助动词、情态动词后,常用来修饰表示能力的词。
eg:She could hardly see anything.
注:在反意疑问句中,当陈述部分含有hardly,never,few,little等否定词时,则句子为否定句,变成反意疑问句时,要用肯定形式来反问。
eg:He hardly has any money left,does he?
练习:
(  )1.He can hardly swim,______ ?
A.isn’t he  B.doesn’t he  C.can’t he  D.can he
(  )2.Maybe I have heard of the story before,but I can _____ remember it.
A.easily  B.really  C.mostly  D.hardly
(  )3.I _____ drink milk.I dislike it at all.
A.hardly ever  B.always  C.often  D.sometimes
(  )4.There is hardly any milk in the bottle,_______ ?
A.is there  B.isn’t there  C.is it  D.isn’t it
(  )5.I like English very much,so I _____ read English in the morning.
A.usually  B.hardly ever  C.never  D.don’t
(  )6.It’s raining _____ ,so he can _____ walk any more.
A.hard;hard  B.hardly;hardly  C.hard;hardly  D.hardly;hard
2.ever adv.“在任何时候;在某时;从来;曾经”的用法
⑴意为“在任何时候;在某时;从来”时,通常用于否定句、疑问句、比较结构或与if连用的句子中。
eg:①Nothing ever happens here.
  ②It was raining harder than ever.
  ③If you’re ever in Wuhan,come and see me.
⑵意为“曾经”时,常用在疑问句中的完成时态。
eg:Have you ever been to New York City?
短语:
   for ever(=forever)永远
练习:
(  )1.He was tired that he could _____ keep his eyes open.
A.ever  B.never  C.hardly  D.almost
(  )2.I like English very much,so I _____ listen to the tape in the morning.
A.usually  B.hardly ever  C.never  D.hardly
(  )3.My grandpa ____ goes to the hospital.He’s always in good health.
A.sometimes  B.ever  C.never  D.usually
(  )4.David was so excited at the good news that he could _____ say a word.
A.nearly  B.hard  C.ever  D.hardly
2.maybe adv.“大概;或许;可能”常位于句首,也可置于句中。
eg:I think maybe you’re right.
区别:maybe,may be
⑴maybe为副词,在句中作状语。
⑵may be为动词短语,在句中谓语,意为“可能是”。
eg:①She may be a teacher.
  ②Maybe she is a teacher.
练习:
(  )1.She _____ at home now.A.may  B.may be  C.may is  D.maybe
(  )2.It’s past the appointed(约定的)time._____ he isn’t coming.A.Maybe  B.May be  C.Can be  D.Must be
(  )3.—Is this blue bag yours?     —No._____ it is ______ .She has a blue bag.
A.Maybe;Jane’s  B.May be;Jane  C.Maybe;Jane  D.May be;Jane’s
3.频率副词的用
区别:always;usually;often;sometimes;hardly;never
⑴always“一直;总是”(=all the time)表示动作或状态从来没有间断过。100%。
⑵usually“通常”很少有例外。80%。
⑶often“常常”不如usually那么频繁。60%。
⑷sometimes“有时”表示动作偶尔发生。位置较灵活。40%。
⑸hardly“几乎不;几乎没有”20%。
⑹never“从来不;从来没有”0%。
练习:
(  )1.—Zhang Lili,”the most beautiful teacher”,has moved us deeply.
     —Yes,and she is _____ popular with her students.A.sometimes  B.never  C.always  D.hardly
(  )2.I usually go to school smilieid="6" border="0" alt="" />n June 1st;on Monday morning
⑵in表示在一段时间之内。也可用于习惯表达,泛指一天的上午、下午或晚上。
eg:in August;in the morning
⑶at表示某一具体时刻,也可表示多少岁,还可用在某些表示时间的固定短语中。
eg:at nine o’clock;at 12 (years old);at noon
练习:
(  )1.—Look!There are so many people in the park.     —Nobody likes to stay at home _____ Sunday morning.
A.in  B.on  C.at  D.to
(  )2.He always does his homework ______ Sunday morning.A.in  B.on  C.at  D.for
(  )3.What does Jim usually do _____ weekends?A.in  B.to  C.for  D.on
(  )4.—What does she do on _______ ?     —She often goes to the movies.
A.every week  B.a week  C.weekend  D.weekends
5.how短语的提问
⑴how often“多久一次”最频率副词提问。
⑵how soon“过多久;多久之后”对将来时间提问。
⑶how long“多长时间”对时间段或物体长度提问。
⑷how old“多大”对年龄提问。
⑸how many“多少”对可数名词复数的数量提问。
⑹how much“多少”对不可数名词数量提问。
练习:
(  )1.—_____ do you go for a trip with your family?     —About once a year.
A.How often  B.How soon  C.How much  D.How long
(  )2.—______ do you go to the movies?     —Once a month.
A.How long  B.How often  C.How soon  D.How much
(  )3.—How long are you going to stay there?
     —__________ .
A.In five days  B.For five days  C.Since five days ago  D.Five days ago
(  )4.—______ does your uncle play sports?     —Once a month.
A.How long  B.How soon  C.How many  D.How often
(  )5.—How many times have you been to Beijing?     —________ .
A.Third  B.Three times  C.Three times a week  D.A week three times
(  )6._____ milk do you drink?A.How many  B.How much  C.How often  D.How soon
6.How come?“怎么可能?”既可独立使用,也可接陈述语序的句子,用来询问事情的缘由或状况。
eg:①—I feel terrible.    —How come?
  ②How come Tom’s home?Isn’t she feeling well?
练习:
(  )1.—Lucy didn’t pass the exam.     —_______  She always works hard.
A.Come on.  B.Well done.  C.How come?  D.Why not?
7.What kind of+n.(不可数)/ns.(可复)?“什么样的……”常用来询问某物的种类或类型。
  a kind of一种……
  two kinds of两种……
  all kinds of各种各样的……
eg:What kind of sports do you like?
注:kind of“有点儿,有几分”后常接形容词。
eg:That made me feel kind of tired.
练习:
(  )1.There are all ______ books in the library.A.kind  B.kind of  C.kinds of  D.a kind
(  )2.—Why do you feel _____ nervous(紧张的)in the zoo?
     —Because there are many ______ dangerous animals in it.
A.kinds of;kind of  B.kind of;kinds of  C.kinds of;kinds of  D.kind of;kind of
(  )3.There are all _____ books in the library.A.kind  B.kind of  C.kinds of  D.a kind
8.help的用法
⑴作n时,[U]“帮助”[单]“帮手;帮忙者;有助益的事物”
eg:①Thank you for all your kind help.  ②Her advice is a great help.
⑵作动词时,“帮助”
               sb. (with sth.)帮助某人(做某事)
   help         (to)do sth.帮助做某事
               sb.(to) do sth.帮助某人做某事
   can’t help to do不能帮忙做某事
   can’t help doing情不自禁做某事
eg:①I often help my mother with housework.(=I often help my mother to do housework.)
  ②She was coming to help clean the machine.
练习:
(  )1.Tom often helps Mary _____ the bike.
A.mends  B.mending  C.to mend  D.mended
(  )2.—What do you want to be?
     —An actor.But my parents _____ me to be a doctors.
A.help  B.want  C.make  D.have
(  )3.Ann often helps me _____ math after school.
A.for  B.with  C.on  D.by
(  )4.My teacher always helps me ___ my English.____ her help I have caught up with the class.
A.with;Under  B.with;With  C.of;Under  D.of;With
9.区别:sometimes,some times,sometime,some time
⑴sometimes“有时,不时”表示频率
⑵some times“几次”表示次数。
⑶sometime“(过去或将来的)某个时候”表示时间点。
⑷some time“一段时间”表示时间段,常与介词for连用。
eg:①I sometimes have to work late.
  ②I have called you up some times this morning.
  ③I’ll visit you sometime next month.
  ④I waited for Mary for some time.
练习:
(  )1.My mother _____ goes to work by taxi.
A.sometime  B.some time  C.sometimes  D.some times
(  )2.He _____ goes shopping with his wife.
A.sometime  B.sometimes  C.some time   D.some times
(  )3.Mary plays football every Sunday,______ a week.
A.once  B.twice  C.sometimes  D.every two days
Section B
1.health n.[n]“健康;人的身体(或精神)状态”的用法(—healthy adj“健康的”.—healthily adj“健康地”)
短语:
    be in good/poor health健康状况良好/不好
练习:
(  )1.You should eat _____ food and look after your ______ .
A.healthy;healthy  B.health;health  C.healthy;health  D.health;healthy
(  )2.Miss Liu is very ______ ,because she exercises every day.
A.health  B.healthy  C.unhealthy  D.unhealthily
(  )3.I think I’m kind of______ ,because I don’t look after my _____ .
A.healthy;health  B.unhealthy;health  C.unhealthy;healthy  D.healthy;healthy
2.percent n.“百分之……”的用法
结构为:基数词+percent of+n.“百分之几的……”作主语时,谓语动词的形式由of后的名词的单复数决定。
eg:Sixty percent of the children play computer games.
练习:
(  )1.Only fifty-five percent of the farmers here ______ illiterate(文盲的)twenty years ago.
A.are  B.was  C.were  D.is
3.mind的用法
⑴作名词时,为[C],意为“头脑;心智”
eg:She has a quick mind.
短语:
make up one’s mind(to do sth.)做出决定(做某事)
never mind没关系
change one’s mind改变主意
⑵作动词时,为vt.,意为“介意”,后接(doing)sth.或从句。
eg:①I wouldn’t mind a drink.
  ②I wouldn’t mind having a drink.
4.such adj.&pron.“这样的;那样的;类似的”的用法
常用来修饰名词,起强调作用。作定语时,要置于a/an之前;all,no,several,some,any等之后。另外,such as“例如”,表示举例,并且表示举例时,such和as可以分开使用,但它并不列举完全部例子。
eg:①They are rude.I can’t understand such people.
  ②She’s such a beautiful girl.
  ③There are no such things now.
区别:so……that与such……that“如此……以致于……”的区别
⑴二者都可引导结果状语从句。
⑵so为adv,such为adj。
⑶二者结构分别为:
   so+adj/adv原级+that
   so+adj+a/an+n(可单)+that                   such+a/an+adj+n(可单)+that
   so+many/few+ns(可复)+that                 such+adj+ns(可复) +that
   so+much/little(少的)+n(不可数)+that          such+adj+n(不可数)+that
(注:只修饰形容词、副词时,只可用so。
      修饰单数名词时,二者可以互换。
  修饰复数和不可数名词时,多多少少用so,不多不少用such.)
练习:
(  )1.There was _____ snake across the road just now.
A.so scary  B.such scary  C.so a scary  D.such a scary
(  )2.Jim wants to buy some fruits,such _____ apples,pears and bananas.
A.to  B.for  C.as  D.with
(  )3.It’s _____ nice dress that she can’t help stopping.
A.so  B.such  C.so a  D.such a
(  )4.He bought a lot of fruit,_____ apples and oranges.
A.such as  B.for example  C.same as  D.so as
(  )5.—Why do you speak in _____ a loud voice?
     —Because I want to make myself ______ clearly.
A.such;hear  B.so;heard  C.such;heard  D.so;hear
5.die v.“死亡;灭亡;消失”(—dead adj.“死的,无生命的”—death n.“死亡”)
die为短暂性动词,不可与一段时间连用。
短语:
die away逐渐减弱
die out消失;灭绝
die of/from死于;因……而死
die for...为……献出生命
eg:①Our love will never die.
  ②The cat died yesterday.
练习:
(  )1.He was born in 1874 and _____ in 1913.A.death  B.dead  C.died  D.die
6.almost adv.“几乎;差不多”
位置通常在实义动词前,系动词、助动词后;修饰形容词、副词时,通常位于被修饰词前。近义词为nearly。
eg:①It was almost midnight.
  ②The story is almost certainly true.
练习:
(  )1.—How often do you exercise?    —_____ ever.Because I am very busy with my work.
A.Nearly  B.Hardly  C.Almost  D.Always
7.none,no one的区别
㈠no one(=nobody)"没有人",范围不确定;只可代人;不与of短语连用;回答Who提问。
㈡none"没有一个人",范围确定;既可代人,又可代物;可与of短语连用;回答How many和How much提问。
练习:
(  )1._____ of the books is mine.A.None  B.No one  C.Both  D.All
(  )2.—Don’t be angry with your kid when he makes a mistake again,will you?
     —No,I won’t.I know that _____ of us are perfect after all.
A.none  B.neither  C.each  D.all
(  )3.______ wants to be laughed at.A.Either  B.Both  C.All  D.None
8.be good短语
                       at擅长……(=do well in)
                       to对……好(=be friendly/kind to)
         be good        for对……有益(=do good to)
                       with对……有办法;善于应付……的
练习:
(  )1.Doing morning exercises _________ our health.
A.is good at  B.are good at  C.is good for  D.is good with
(  )2.I know you are good _____ maths but I don't know what your brother is fond ______ ?
A.at;at  B.of;of  C.at;of  D.of;at
(  )3.Mother says eating more fruits are good _____ my health.A.with  B.at  C.for  D.to
(  )4.Enough sleep ____ health.If you stay up for your favorite TV programs,you will feel sleepy.
A.is good for  B.is good at  C.is good to  D.does well in
9.not...at all“一点也不;完全不”
eg:I don’t like at all.
练习:
(  )1.—Don’t be angry with your kid when he makes a mistake again,will you?
     —No,I won’t.I know that _____ of us are perfect after all.
A.none  B.neither  C.each  D.all
10.全倒装的用法(不借助于be动词,助动词,情态动词,且主语为名词)
  表示方位的副词here,there,in,out,up,down,away,off表示顺序的first,next或表示时间的now,then位于句首,且主语为名词时。
eg:①Here comes the bus.
  ②Now comes your turn.
  ③Out ran all the students.
  注:当主语为代词时,不用全倒装。
eg:Here you are.
练习:
(  )1.Hey,Nick.____comes the last bus!Hurry up,or we’ll have to walk home.A.This  B.There  C.That  D.It
(  )2.Here ____ in the classroom.A.are ten students  B.ten students are  C.ten students is  D.is ten students
11.result n.[C]“结果;后果”的用法
搭配:as a result of“因为;由于”
  as a result“结果……”
  with the result that...“结果……”
  the result of...“是……的结果”
eg:①Here are the results of your Chinese exam.
  ②I’m late as a result of the rain.
  ③Mary wasn’t at school last week,with the result that she missed the important test.
练习:
(  )1.Here _____ the results ______ the student activity survey.A.is;with  B.are;of  C.is;of  D.are;with
12.to介“……的”表示所属。
the way 路
the answer答案
the key钥匙                        to
the solution解决办法
the ticket票
the entrance入口
the identity身份
the approach方法
练习:
(  )1.It’s very nice of you to help me find the key _____ the door.A.of  B.for  C.to  D.on
(  )2.Here is the answer _____ your question.A.at  B.of  C.to  D.for
(  )3.Mr Smith always comes up ______ good solutions ________ our math problem.
A.with;to  B.with;of  C.at;to  D.of;of
(  )4.It’s very nice of you to help me find the key _____ the door.A.of  B.for  C.to  D.on
13.although连词“尽管;虽然;即使”的用法
不可与but,and,so等连用,但可与yet,still等词连用,且可与though换用。
eg:Although/Though he is not rich,(yet)he is happy.
练习:
(  )1.—You bought the car about ten years ago?     —Yes.______ it’s old,it still runs well.
A.Because  B.Since  C.Although  D.But
(  )2._____ he has little knowledge,the old worker has a lot of experience.A.Although  B.Because  C.If  D.As
(  )3.Maybe I’m not very healthy,_____ I have healthy habits.A.and  B.although  C.because  D.so
(  )4._____ he is young,_____ he is clever.A.Although;but  B.Although;/  C.Though;but  D.Because;so
14.however adv.“然而;不过”表示语意的转折,放在句首、句中或句末,通常用逗号与句子其他成分隔开。
eg:①His father,however,did not agree.
  ②However,she has some bad habits.
练习:
(  )1.Mary is a good girl.______ ,she also has some bad habits.
A.But  B.However  C.And  D.So
(  )2.Li Hai studies very hard.______ ,he doesn’t do well in all his subjects very much.
A.However  B.But  C.And  D.So
(  )3.He was ill,_____ ,he still went to work.
A.but  B.because  C.so  D.however
15.more than“多于;超出”的用法(反义词为:less than“少于”)
搭配:
                       adj./adv.原级/分词(=very) “非常,很,十分”
        more than       数词(=over)  “超出,超过”
                        n “不止是”
eg:①I was more than (a little)pleased with his deeds.
注:more than one +n “不止一个”作主语时,谓语动词应用单数形式。
注:more than一般都放在所修饰成分的前面。
练习:
(  )1.She usually watches TV for___ three hours a day.It’s such a bad habit.
A.more B.less C.more than D.less than
(  )2.Your teacher looks so young.She doesn’t looks___30 years old.
A.more than B.less than  C.than  D.at least

 
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