threatpractice是可数名词吗吗

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写专有名词Threat of new entrants或Threat of New Entrants 哪个对呢?还是都对?
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>>>AIDS control and prevention is a____ to China as well as to ..
AIDS control and prevention is a____ to China as well as to the whole world.&&&&
A.&& surprise&&&& B.&& challenge&&&&&& C.reaction&&&&D.threat
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据魔方格专家权威分析,试题“AIDS control and prevention is a____ to China as well as to ..”主要考查你对&&名词&&等考点的理解。关于这些考点的“档案”如下:
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名词的概念:
名词(Nouns)是词性的一种,也是实词的一种,是指代人、物、事、时、地、情感、概念等实体或抽象事物的词。名词可以独立成句。在短语或句子中通常可以用代词来替代。名词可以分为专有名词(ProperNouns)和普通名词(CommonNouns),普通名词又可分为不可数名词和可数名词两大类。 名词的数:
1、名词复数的构成方法:(1)在一般情况下,加词尾-s: book/books书 pen/pens钢笔 face/faces脸 (2)以s, x, z, sh, ch等结尾的名词,通常加词尾-es:bus/buses 公共汽车 box/boxes 盒子 dish/dishes 盘子注:有些以ch结尾的名词,由于其发音不是[k]而是[tf],那么其复数形式应加词尾–s,如stomach/stomachs胃。 (3)以y结尾的名词,其复数构成要分两种情况:以“辅音字母+y”结尾的名词,将y改为ies;以“元音字母+y”结尾的名词,直接加词尾s:city/cities 城市 boy/boys 男孩 key/keys 钥匙注:以y结尾的专有名词,若在某些特殊情况下需要复数,通常加s构成: Mary/Marys玛丽 Germany/Germanys德国 (4)以o结尾的名词,有些加词尾-s,有些加-es,有些加-s或-es均可: piano/pianos钢琴 tomato/tomatoes西红柿 zero/zero(e)s零 注:有人对英语中所有以o结尾的名词作了统计,一共近200个,其中绝大部分的复数形式通过加词尾-s构成,少数加词尾es。在中学英语范围内,加词尾es的主要有以下4个:tomato西红柿,potato土豆,hero英雄,Negro黑人 (5)以f或fe结尾的名词,也有两种可能:即有些直接加词尾-s,有些则把f/fe改为ves: chief/chiefs首领 roof/roofs屋顶 knife/knives小刀&注:在中学英语范围内,要改f/fe为ves的只有以下10个词(它们都是日常生活中的常用词):wife 妻子,life 生命,knife 小刀,leaf 树叶,thief 贼,half 一半,self 自己,shelf 架子,loaf 面包,wolf 狼。&& 另外,中学英语中的handkerchief(手帕)一词的复数有两种形式:handkerchiefs/handkerchieves,但在现代英语中,以用handkerchiefs为多见。
2、单数与复数同形式的名词:中学英语中主要的有:sheep绵羊,fish鱼,deer鹿,Chinese中国人,Japanese日本人,Portuguese葡萄牙人,Swiss瑞士人,aircraft飞行器,means方法,series系列,head(牛等的)头数,works工厂,等。注:fish有时也用fishes这样的复数形式,尤其表示种类时;head若不是牲口的“头数”,而是表示“人的头”或“人数”,则要用heads这样的复数形式。
3、不规则的复数名词:有的名词单数变复数时,没有一定的规则:man/men男人 woman/women女人 child/children小孩 tooth/teeth牙齿 foot/feet脚 goose/geese鹅 mouse/mice老鼠 ox/oxen公牛注:(1)一些以man,woman结尾的合成词,在构成复数与man,woman的变化形式相同,如:policeman/policemen警察,gentleman/gentlemen绅士,Englishman/Englishmen英国人,等等。但是human(人),German(德国人)不是合成词,其复数不能仿man的变化规律,而是按规则变化,即用humans,Germans。&(2)foot表示“英尺”时,其复数可以有两种形式feet/foot,如:He is about six feet/foottall. 他大约6英尺高。 名词可数性的三个易错点:&(1)根据汉语习惯将英语的物质名词误认为是可数名词。如:汉语中的“面包”,一般认为是可数的,可以说“一个面包”、“两个面包”等,但英语中的bread却通常是不可数的,不能相应地用a bread,two breads表示以上意思。不过有趣的是,loaf 表示“面包”却又是可数的,可说a loaf, two loaves。 (2)想当然地判断名词的可数性。如:有的学生认为news (消息)和paper (纸)都不可数,于是便想当然地认为 newspaper (报纸)就一定不可数,但事实上,newspaper却是可数名词;又如:有的同学认为 tear (眼泪)即“泪水”,并将其与water(水)相联系,认为tear 是不可数的,但事实上,tear却是可数的。&(3)受名词一词多义的影响。有的名词不止一个意思,且用于不同意思时,其可数性也有不同,不要形成思维思势。如:aim表示“目的”时是可数名词,表示“瞄准”时是不可数名词;又如 experience表示“经验”时不可数,表示“经历”时则可数;再如:fortune,当它表示“运气”时,不可数(=luck),当它表示“命运”时,可数,当它表示“财产”时,不可数,但可与a连用。
可数与不可数名词的常用修饰语: (1)修饰可数名词的常用修饰语有:these, those, few, a few, many, a good[great] many, agreat[good]number of 等。注:a good[great]many后直接跟名词,没有介词of。&(2)修饰可数名词的常用修饰语有:this, that, a few, a little, a bit of, much, no, a great deal of 等。&(3)有些修饰语既可修饰可数名词也可修饰不可数名词:all, some, enough, a lot of, lots of, plenty of, a large amount of, a large quantity of等。&(4)有些名词形式上是复数,但却被用作不可数名词,使用much, little等修饰语:He hasn't got much brains.他没什么头脑。 He took much pains to do the work. 他费了不少心做这工作。&I said I wouldn't want much wages. 我说过我不要很多工资。It's high time you were taught a little manners.该是你学一点礼貌的时候了。
单位词与不可数名词数量表示法:单位词是表示事物个体性的词语,不可数名词通常没有复数形式,也不可以用个数计算,要表示不可数名词的个体性需借助单位词: a piece of paper一张纸 a piece of advice一条建议a piece of news一条消息 an article of furniture一件家具 a cake of soap一块香皂 a slice of meat一块a cup of tea一杯茶 a bottle of ink一瓶墨水& 注:不要按汉语习惯在不该用单位词的地方错用单位词,如“一张邮票”只能说a stamp,而不能说a piece of stamp。名词的可数性:
1、名词根据其可数性,可分为可数名词与不可数名词。一般说来,个体名词和大部分集合名词是可数的;而专有名词、物质名词、抽象名词以及少部分集合名词则通常是不可数的。但是这种区分只是大致的,原则性的,并不是绝对的。英语有些名词往往既是可数也可以是不可数的。 A:Would you like a cake? 要吃块蛋糕吗? B:No, I don't like cake.不吃,我不喜欢吃蛋糕。以上第一句用a cake,这是把cake视为一块一块的“蛋糕”,所以它是可数的;而第二句只用cake,这是把它当作物质名词看待,所以它成了不可数名词。
2、不同类别名词的可数性。 (1)专有名词的可数性。在通常情况下,专有名词具有“独一无二”的含义,因此它通常没有复数形式,即不可数。但是,专有名词的独一无二性通常是相对的,随着范围的扩大,这种独一无二性便会受到破坏。如在一个星期(week)内,只有一个星期六(Saturday),一个星期日(Sunday)等,但是在一个月中甚至一年中,便有多个星期六,多个星期日了。所以我们有时可以说:We have spent many happy Sundays there. 我们在那儿度过了许多个愉快的星期日。又如,在一个小范围内,可能只有一个Henry,但在一个较大的范围内则可能有多个Henry,因此我们有时会见到这样的句子:There are five Henrys in our school. 我们学校有五个亨利。另外,若专有名词转化成了普通名词,也可以是可数的:Thousands of LeiFengs have emerged in China.中国涌现出了千千万万个雷锋。 (2)个体名词的可数性。个体名词表示的是一个一个的人或物的个体,所以它通常是可数的。 (3)物质名词的可数性。由于物质名词在通常情况下不能分为个体,所以它通常是不可数的。但是,在某些特殊情况下(如表示种类等),有些物质名词也可以连用不定冠词或用复数形式: wine酒(不可数),a wine一种酒(可数), beer啤酒(不可数),two beers两杯啤酒(可数)&,glass玻璃(不可数),some glasses一些玻璃杯(可数) (4)抽象名词的可数性。抽象名词是表示事物性质、行为、状态、感情等抽象概念的,因此它通常是不可数的。但是,有时抽象名词也可转化为具体名词(可数),表示具有某种性质的人或事物:success成功(不可数),asuccess成功的人或事(可数) ,pleasure愉快(不可数),apleasure令人愉快的人或事(可数) (5)集合名词的可数性。集合名词表示若干个体组成的集合体,它本身通常是可数的,其复数形式表示多个集合体:a family一个家庭,three families三个家庭 a team一个队,two teams两个队 a crowd一群人,crowds多群人名词知识体系:
&特殊名词的复数形式:
1、复合名词的复数形式。通常是将其主要名词变为复数:passer-by/passers-by 过路人 shoe-maker/shoe-makers 鞋匠&& looker-on/lookers-on 旁观者 on-looker/on-lookers 旁观者 father-in-law/fathers-in-law 岳父 若没有主要名词,则通常在最后一个词加s:go-between/go-betweens中间人,媒人 know-all/know-alls 万事通注:由man/woman用于另一名词前构成的合成名词,两者均变为复数:man doctor/men doctors男医生&& woman writer/women writers 女作家 2、字母、文字、数字、符号等的复数形式。原则上加词尾-'s: There are two i's in the word"skiing". skiing.这个词里有两个字母i。 如:Mind your p's and q's. 要谨言慎行。&&&&&&&& All the–'s should be changed to+'s. 所有的正号应改为负号。注:若不至于发生混淆,也可只加词尾s。如:He was born in the 1930(')s. 他出生在20世纪30年代。 &&&&&&& Your 3(')s look like 8(')s. 你写的3看起来像似8。 3、度量衡单位的缩写词的复数形式。一般不加词尾-s: m(meter, meters)米 km(kilometer, kilometers)千米 kg(kilogramme, kilogrammes)千克 cm(centimeter, centimeters)厘米;有的缩写词也加s:hr(hours)/hrs(hours)小时 No(number)/Nos(Numbers)号码;有个别缩写词采用重复最后一个字母的方式构成复数形式:p.10(page10)第10页 pp.10(pages10through15)第10至15页
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2016届高考英语二轮复习专题练习:名词和冠词
2016届高考英语二轮复习专题练习:名词和冠词
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  Section 1 名词和冠词  两年高考真题演练  1.(2015·江苏高考)Some schools will have to make ________(adjust)in agreement with the national soccer reform.  2.(2015·江苏高考)—Go and say sorry to your Mom, Dave.  —I'd like to, but I'm afraid she won't be happy with my ________(apologize).  3.(2015·浙江高考)One of the most effective ways to reduce ________(stressful)is to talk about feelings with someone you trust.  4.(2015·湖北高考)When he was running after his brother, the boy lost his ________(balanced)and had a bad fall.  5.(2015·安徽高考)There is no need to tell me your answer now.Give it some ________(think)and then let me know.  6.(2015·江苏高考)—Why didn't you invite John to your birthday party?  —Well, you know he's ________ wet blanket.  7.(2015·浙江高考)Jane's grandmother had wanted to write ________ children's book for many years, but one thing or another always got in ________ way.  8.(2015·重庆高考)I just heard ________ bank where Dora works was robbed by ________ gunman wearing a mask.  9.(2015·陕西高考)________ more learned a man is, ________ more modest he usually becomes.  10.(2015·四川高考)Brian is gif he is very likely to be ________ Beethoven.  来源:11.(2017·安徽高考)—Why not buy a second-hand car first if you don't have enough money for a new one?  —That's a good ________(suggest).  12.(2017·湖北高考)Her ________(motivate) for writing was a desire for women to get the right to higher education.  13.(2017·浙江高考)The paper is due next month,and I am working seven days ________ week,often long into________night.  14.(2017·陕西高考)________ village where I was born has grown into ________ town.  15.(2017·江西高考)They chose Tom to be ________ captain of the team because they knew he was ________ smart leader.  16.(2017·天津高考)Life is like ________ ocean:Only the strong-willed can reach the other shore.  17.(2017·重庆高考)I can't tell you ________ way to the Wilsons' because we don't have ________ Wilson here in the village.  一年模拟试题精练  1.(2015·河南洛阳一高月考)On the other hand, chopsticks reflect ________(gentle) and kindness.  中华资源库2.(2015·广东揭阳一中、潮州金山中学联考)So are most of the ________(express) made with the word hot.  3.(2015·河北石家庄二中开学考)Actually we can encourage ourselves to work efficiently, full of ________(determine).  4.(2015·宁夏银川一中月考)I named them “cookies” because I always feel that children can bring great happiness and ________(excite) to my life.  5.(2015·烟台联考)The entrance of the underground is five ________(minute) walk from here.  6.(2015·广东“十二校”联考二)And save it for poor Arabian or African countries struggling in water ________ (short).  7.(2015·黑龙江大庆一中段考)He wants to be a ________(write).  8.(2015·黑龙江大庆铁人中学模拟)All life ________ (challenge) bring about an ending and the chance for ________(begin).  9.(2015·河南濮阳市二模)It's still a useful and pleasant form of ________ (communicate).  10.(2015·山西太原五中月考)Unfortunately,my experience is common,and ________(accident) between bikes and cars occur far too often.  11.(2015·贵州贵阳一中月考)She took me from a poor,unhappy college student and brought me into her world;a world of smiles,love and ________(warm).  12.(2015·黑龙江佳木斯一中三模)In keeping a diary in English,we certainly run up against many ________(difficult).  13.(2015·甘肃嘉峪关市一中六模)The Oolong,green and black ________ (vary) are most notable for their high quality.  14.(2015·福建福州八中质检二)TV series Where Are We Going, Dad have made an________(impress) on kids since it was broadcast on Hunan TV.  15.(2015·湖北武汉二中月考)Scientists have found________(substitute) for oil as fuel. Coal, natural gas, solar power, nuclear power and even water can replace it as sources of energy.  16.(2015·浙江重点中学摸底)At the press conference,a government spokesman expressed his great________(concerned) for the safety of the three trapped workers.  17.(2015·咸宁三校联考)When asked how he came up with the excellent idea, he said one of his childhood experiences was the original________(inspire) to begin his story.  18.(2015·南京师大附中模拟)The dentist gave me a shot which took ________(affect) almost immediately and I didn't feel a thing.  19.(2015·广州海珠区摸底)In the forest, I really want to see ________ elephant close up.  20.(2015·山西太原五中月考)The small damage may not seem worth all ________ trouble, but what if I had been seriously injured?  21.(2015·黑龙江双鸭山一中月考)Scott was ________ much better student than his sister, and has been working so hard for the last few months.  22.(2015·云南玉溪一中月考)First start by making ________ quick list of how you can show respect at school.  23.(2015·黑龙江哈三中一模)I usually surf ________ net,read news and anything I am interested in,check e-mails or chat with other people.  24.(2015·甘肃民乐一中诊断)One day,about ten years ago,I saw ________ elderly couple come in with a little girl in a wheelchair.  25.(2015·贵州铜仁一中模拟)She programs us with all________ possible moves she has seen.  26.(2015·宁夏大学附属中学二模)Our local Community Youth Club is very popular with young people in my town.I have been ________ member for four years now.  27.(2015·黑龙江哈三中二模)The clever curiosity is never about unimportant things which have little or nothing to do with the happiness of ________public.  28.(2015·河南洛阳一高月考)Hi,Mr.Lee,I am ________ reporter from the New York Times.  29.(2015·广东揭阳一中、潮州金山中学联考)The issues must be treated carefully,or they will be difficult and painful if ________ elected official has to deal with them.  30.(2015·贵州六校联盟联考二)Alfred Alder,a famous psychiatrist,had __________ interesting experience.  31.(2015·黑龙江大庆一中段考二)You have made ________ mistake.That is White Carl.My son is Brown Carl.  32.(2015·甘肃天水一中诊断一)New fuel can be used to take ________ place of gas.  33.(2015·福建清流一中段考)Mary heard________strange sound at midnight outside her house and got scared.  34.(2015·安徽安庆望江中学月考)Gottlieb Daimler,________German engineer, is normally believed to have invented________car.  35.(2015·四川成都高新区月考)A few stars from the entertainment industry, such as Ke Zhendong and Fang Zuming, have recently been arrested, which shows that drug taking is becoming________increasingly serious threat to society.  36.(2015·重庆一中模拟)The most important thing to keep in mind when dealing with________emergency is to stay calm.  参考答案  Section 1 名词和冠词  【两年高考真题演练】  1.adjustments [句意:为了与国家足球改革相一致,一些学校将做出调整。固定表达make adjustments 做出调整。]  2.apology/apologies [句意:——去和你的妈妈说对不起,Dave?——我想,但我怕妈妈不会接受我的道歉。作介词with的宾语和my的修饰语要用名词形式。]  3.stress [句意:减少压力最有效的方法之一是与信任的人谈谈你的感受。作动词reduce的宾语要用名词形式,stress压力,紧张,为不可数名词。]  4.balance [句意:追赶哥哥时,小男孩失去了平衡,重重摔了一跤。作动词lose的宾语要用名词形式。lose his balance失去平衡。]  5.thought [句意:现在没有必要告诉我你的答案。思考一下,然后让我知道。some后应跟名词,thought想法。]  6.a [句意:——为什么你没邀请约翰参加你的生日聚会?——唉,你知道他是一个令人扫兴的人。固定表达a wet blanket 令人扫兴的人或物。]  7.a;the [句意:琼的奶奶多年来一直想写一本儿童书,但总有这样那样的事情阻碍她不能实现。考查冠词。第一空表泛指,故用不定冠词a;第二空为固定表达get in the way妨碍,阻碍。]  8.the;a [句意:我刚听说Dora 工作的银行被一位蒙面持枪歹徒抢劫了。第一空为特指,表示“Dora 工作的那家银行”,第二空为泛指,表示“一位蒙面持枪歹徒”。]  9.The;the [句意:一个人的知识越是渊博,他通常就越谦虚。考查固定句式the more...the more...越……越……。]  10.a [句意:Brian在创作音乐上极有才华,他很有可能成为一个像贝多芬那样的人才。不定冠词用在人名前,表示“一个像……那样的人”。]  11.suggestion [句意:——如果你没有足够的钱买辆新车的话,为什么不先买一辆二手车呢?——那是个好建议。根据句子结构可推知设空处需用名词形式,设空处前有不定冠词,故设空处填suggestion。]  12.motivation [句意:她写作的动机是渴望为妇女争取接受高等教育的权利。形容词性物主代词后需用名词形式,此外后面的谓语动词为 was,故设空处需用名词单数形式。]  13.a;the [句意:论文下个月要上交了。我现在每周工作七天,经常工作到深夜。第一空填a相当于one;第二空是固定搭配long into the night。]  14.The;a [句意:我出生的那个村庄已经变成一个城镇了。由village后的定语从句where I was born可知这里特指“我”出生的村庄,故第一个设空处用定冠词 the。而第二个设空处泛指一个城镇,故用不定冠词a。]  15.the;a [句意:他们选择汤姆为这个队的队长,因为他们知道他是一个聪明的领导。第一空后的名词captain是特指,特指这个队的队长,故与the 连用;第二空后的名词leader表示泛指,故与a连用。]  16.an [句意:生活就像一片海洋,只有那些意志坚强的人才能到达彼岸。ocean为可数名词,在本句中表示泛指,故用不定冠词,ocean以元音音素开头,故答案为an。]  17.the;a [句意:我不能告诉你去威尔逊家的路,因为我们村里没有姓威尔逊的。本题考查冠词。第一个空表示特指,故用the;第二个空表示泛指,表示“一个”,故用不定冠词a。]  【一年模拟试题精练】  1.gentleness [另一方面,筷子所反映的是彬彬有礼与友好。根据and连接两个并列成分以及名词kindness可知,此处要用名词作动词reflect的宾语。]  2.expressions [most of the后跟名词形式,而且此处要用复数形式。]  3.determination [介词of 后面应该用名词作宾语。]  4.excitement [该处需要excite的名词形式和happiness一起作bring的宾语。]  5.minutes' [从这里到地铁的入口要5分钟的路程。five后面接minutes,而且这里需要用名词所有格minutes' 作名词walk的定语。]  6.shortage [为因水资源短缺而争斗的贫穷的阿拉伯国家或非洲国家节约水。介词in后要接名词作宾语,此处的water为定语。]  7.writer [他想成为一个作家。writer作家。]  8.challenges [根据后面的谓语动词bring可以判断出作主语的名词应该用复数形式。]  beginning [介词for后面跟名词或动名词,故答案为beginning。]  9.communication [介词of之后要用名词形式communication。]  10.accidents [不幸的是,我的经历很常见,自行车和机动车之间的事故经常发生。根据occur可知主语是复数形式。]  11.warmth [由and可知设空处和smile,love为并列结构,故填名词形式。]  12.difficulties [many后要跟名词复数difficulties。]  13.varieties [根据句子结构可知,此处为句子的主语,故要用名词形式,再结合后面的are可知要用名词复数。]  14.impression [句意:电视真人秀节目《爸爸去哪儿》自从在湖南卫视开播以来,给孩子们留下了很深的印象。impression印象,made an impression on 对……产生影响。]  15.substitutes [句意:科学家已经发现作为燃料的油的替代品,煤、天然气、太阳能、核能、甚至水都可以取代它作为能源。substitute 代替物,根据语境可知此处要用复数形式。]  16.concern [句意:在新闻发布会上,一位政府发言人表达了他对三名受困工人安全的担心。concern关心,关注,根据语境可知此处要用名词形式。]  17.inspiration [句意:当被问到他是怎样想到那个好主意时,他说灵感来自于他童年的一次经历。inspiration 灵感,启发,根据前面的修饰词the original 及句意可知此处要用名词形式。]  18.effect [句意:牙医给我打了一针,它几乎立刻就生效了,我什么都感觉不到了。effect为动词,根据语境可知此处要用名词,effect影响,效果,固定表达take effect生效,符合语境。]  19.an [elephant为可数名词,表泛指要用不定冠词an。]  20.the [小损伤好象不值得这么麻烦。此处表示特指。]  21.a [斯科特是一个比他姐姐成绩更好的学生。此处为描述,故要用不定冠词。]  22.a [make a list of 列……的表,对……列清单。]  23.the [固定表达surf the net浏览网络,网上冲浪。]  24.an [此处泛指一对老夫妇,且elderly前要用an。]  25.the [她把看到过的所有的行动步骤都给我们进行编程。根据后面的定语从句she has seen可知,这里是特指,故要用the。]  26.a [我成为其中的一员已经四年了。表泛指要用a。]  27.the [那些不重要的事情与大众的幸福关系很少或者几乎没有任何关系。the public 表示“公众,大众”。]  28.a [……我是一名来自纽约时报的记者。此处表示身份,故要用不定冠词。]  29.an [official是可数名词,elected是以元音音素开头的单词,故要用不定冠词an。]  30.an [experience经历,为可数名词。形容词interesting是以元音音素开头,泛指“一次”要用不定冠词an。]  31.a [make a mistake犯错误。]  32.the [新能源可以取代天然气。take the place of取代。]  33.a [句意:半夜的时候,玛丽听到房子外面有一个奇怪的声音,感到很害怕。sound前有形容词strange修饰,此处是可数名词,表示泛指,用a。]  34.a;the [句意:戈特利布·戴姆勒,一位德国的工程师,被认为发明了汽车。第一空使用不定冠词a表示泛指,表示Gottlieb Daimler是一位德国的工程师,第二空使用the,特指汽车这种发明物。]  35.the [句意:来自娱乐圈的一些明星,如柯震东、房祖名被捕,这表明吸食毒品日益成为一个严重的社会威胁。the increasingly serious threat 严重的威胁,表示特指。]  36.an [emergency 紧急情况,突然事件,为可数名词,此处表泛指。]  来源:
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