最新人教版八年级上册第二单元知识点
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__________________________________________________ 收集于网络，如有侵权请联系管理员删除 人教版八年级上册第二单元知识点（复习课用） 一． 词汇 1.housework---合成词，不可数名词，homework,farmwork; do the housework;help mother do/with the housework 2.hardly adv 几乎不，否定词，不与其它否定词连用，带有hardly句子，叫否定句 Eg, Garry can hardly speak Chinese,__can he__? Eg, He ______ rides a bike to school.He likes walking. A.often B.always C.usually D.hardly # 副词不能修饰名词，不能直接放在名词前。Hardly +a/an+名词单数；hardly +any +名词复数/不可数名词 Eg,I can hardly see_____ sheep on the hill. A. Some B.any C.an D.much # hardly ever=seldom 频度副词“几乎不”三词{be动词，情态动词，助动词}之后，一词（实意动词）之前 It hardly ever rains in the north of China in winter. He is hardly ever ill. __________________________________________________ 收集于网络，如有侵权请联系管理员删除 3.ever 副词，“曾经”-------反义词never; Ever 常用于疑问句中，Have you ever been to China? 4.次数表示法 1），一次once,两次twice ----不规则 2），三次 three times ,四次four times ----三次以上：基数词—+times -----twenty times I have been to Hefei three times. # 对次数提问how many times # 次数+时间段 表示频度 once a week;twice a month;three times a year.-------提问how often 5.Internet 首字母大写，前加the,在互联网上on the Internet.类似：on the radio/on TV,on the computer/on the phone 6.full 1) adj 忙碌的------free-------busy # 主语为时间Tomorrow is full for me.—I will be busy tomorrow. 2) adj 满的-------empty “空的” # be full of …里充满了… The room is full of smoke. # fill vt ,填满，装满 # be filled with…里装满了… 3)adj “饱的”----hungry “饥饿的” __________________________________________________ 收集于网络，如有侵权请联系管理员删除 Are you full? 7.maybe 与may be 区别 Maybe 副词“也许”，放在句首Maybe he is a teacher. May be 情态动词+be 动词原形“也许是，可能是”作谓语，放在主语之后，He may be a teacher. 8.least ----little-----less对比 much-----more-----most Eg, Can we do the ____work with the ____ money? A.less,more B.least ,most C.more,less D.most,least At least 至少+数字------at most 最多，至多 Less than 不到，少于；more than 超过，多于=over 9.junk food 不可数 10.coffee,juice,milk,orange,water,tea A cup of coffee 11.health n,健康------healthy adj 健康的 名词作主语宾语（主语放句首，宾语放动词或介词之后） 形容词----名前系后形容词；名词前作定语，系动词后作表语； Eg, You should eat ____ food .It’s good for your ____. Fruit and vegetables are very ____. 12.as a result 结果 __________________________________________________ 收集于网络，如有侵权请联系管理员删除 As a result, he was late for school. Here is the result. 13.10%----ten percent-----基数词+percent ,没有复数。 # 百分数做主语，谓语看百分数代替的名词。 Eg,50% of the students in our class ____ from the countryside. A. is B.are C.comes 14.shopping online;go online 15. although 连词“虽然，尽管”引导让步状语从句，不与but 连用。 Eg, _____ he is very tired,____ he still works in the field. A.Although,/ B.Although,but C./,but # =though,可以互换。 # 让步状语从句“主将从现”---主句将来时，从句一般现在时。 Eg，We will go on working although it is rainy tomorrow. 16.through----though对比 Through 介词“通过，穿过”从物体内部穿过， Across “通过，穿过”从表面经过,还含有从一边到另一边。 Eg, Go ____ the street and you can get to the post office. The light got into the room ____ the window. The boys swim across the river. __________________________________________________ 收集于网络，如有侵权请联系管理员删除 17.mind 1)n,头脑，大脑，思维，思想 Change one’s mind 改变主意 2） 动词“介意” Mind doing sth 介意做某事 Do you mind opening the door? 18. such 与so 区别 都含有“如此的，这样的…” Such adj ,修饰名词。----such a/an adj + 名词单数 Such + adj +名词复数/不可数名词 Eg , I didn’t see such a clever boy before. # so adv 修饰形容词副词。So + adj/adv Eg, The flowers are ___ beautiful. These are ____ beautiful flowers. # 例外：当形容词表示数量many/much/few/little 前面必用so. There are so many people in the supermarket. 19.play… together/let’s go together 20.die vi不及物动词“死亡”The old man died yesterday. # die of/from 死于… # die 现在分词dying,过去式died __________________________________________________ 收集于网络，如有侵权请联系管理员删除 名词death 形容词dead “死的”dying “快要死的” The old man’s ____ made his children very sad. He has been ____ for two days. He found a _ __ dog on the road last Sunday. 21. write----writer;teach---teacher;dancer;worker;singer Cleaner; 22.dentist-----doctor-----nurse-----hospital 23.however 与but 区别 都表示转折“但是，然而”however 语气弱。 However 副词，单独使用，句首，句末，句中，加逗号隔开。 She lives far from the school.However, she is never late for school. But 连词，连接并列句，放在句首，后不加逗号。 She lives far from the school，but she is never late for school. 24.than 与then Than 连词“比”比较级的标志词 He is taller than me. Then 副词“那时，然后，接着”
