外研版英语【初中英语】冠词-知识点归纳与练习
外研版英语中考英语冠词-知识点归纳与练习

外研版英语中考英语冠词-知识点归纳与练习一、初中英语冠词1.—This photo makes me think of trip to the Great Wall last year.—Yeah, we had a great time there.A. aB. anC. theD. /【答案】 C【解析】【分析】句意:——这张照片让我想起了去年去长城的那次旅行。
——是的,我们在那儿玩得很开心。
to the Great Wall last year是后置定语,修饰trip,所以特指,故选C。
【点评】考查冠词辨析。
2.According to _______ rule made in 2017, some kinds of dogs mustn't be kept since May 1st, 2018 in Dongying.A. aB. anC. theD. /【答案】C【解析】【分析】句意:根据2017制定的那项规则,自2018年5月1日以来,在东营一些种类的狗禁止饲养。
在双方都知道的事物前用定冠词the,此处特指2017年制定的那项规章制度,故选C。
【点评】此题考查定冠词用法。
3.May is fifth month of the year. It's very pleasant month.A. the; theB. the; aC. a; aD. the; /【答案】 B【解析】【分析】句意:五月是一年中的第五个月,这是一个非常愉快的月份。
第一个空,表示“第五个月”,序数词前面要用定冠词the,表第几;第二个空,指一个非常愉快的月份,very是以辅音音素开头的单词,所以用a修饰,表数量一;故答案为B。
【点评】考查冠词。
掌握序数词前用定冠词the和不定冠词a表示泛指的用法。
4.The bed piano allows a music lover to play ______ piano while he is lying in bed.A. aB. anC. /D. the【答案】 D【解析】【分析】句意:钢琴床允许音乐爱好者躺在床上时弹奏钢琴。
外研版七年级上册冠词表(最新版)

外研版七年级上册冠词表(最新版)冠词是英语中常用的一个语法部分,用于指示名词的特定性质或指代方式。
在外研版七年级上册中,我们将研究三种冠词:定冠词(the),不定冠词(a/an)和零冠词。
1.定冠词(the)定冠词 "the" 在英语中用于指示特定的名词。
它可以用于单数和复数形式的名词前,也可以用于可数和不可数名词前。
这里我们列举一些用法:用于特指的单数名词前,例如:The cat is ___.The book is on the desk.用于特指的复数名词前,例如:The children are playing in the park.___.用于特指的不可数名词前,例如:The water is cold.The air is ___.表示乐器、器官或固定短语时,例如:She can play the piano.___.表示宇宙、星球、河流、山脉等自然现象或地点时,例如:___.___ ___.2.不定冠词(a/an)不定冠词 "a/an" 在英语中用于指示一个不特定的名词。
它只能用于单数可数名词前,不能用于复数和不可数名词,这里是一些用法:用于泛指的单数名词前,例如:I saw a cat in the park.___.用于表示职业、国籍或等的单数名词前,例如:He is an engineer.She is a Chinese girl.用于表示数量的单数名词前,例如:I want to buy a kilo of apples.3.零冠词零冠词是指在名词前没有冠词的情况。
零冠词主要用于以下情况:泛指的复数名词前,例如:___.Dogs ___.用于表示一般概念、学科或饮食等的名词前,例如:I like science.___.表示姓名的名词前,例如:John is my classmate.Emily is a good student.需要注意的是,零冠词并非所有情况下都适用,具体根据上下文来决定是否使用。
(完整版)外研版初中英语知识点汇总

外研社英语七年级上册英语知识点MODULE 1一、同义句1.My name's Daming. = I'm Daming.2.I'm from England. = I come from England.3.Are you a new student?≈ Are you new?4.Nice to meet you. = Nice to see you. =Glade to meet you. = Glade to see you.5.What's your name?= May I have your name?二、特殊疑问句—What's your name?—How old are you? = Can you tell me your age?—My name is ....= What's your age?—I'm twelve years old.—Where are you from? —What class are you in?—I'm from... —I'm in Class One, Grade One.三、单词短语1.practise + ding sth.2.with&and A and B go to the bank.A withB goes to the bank.四、形容性物主代词I--my you--your he--his she--her it--itswe--our you--your they—them重难点:1. My name's Daming. = I'm Daming.2. I'm from England. = I come from England.3. Are you a new student?≈ Are you new?4. Nice to meet you. = Nice to see you. =Glade to meet you. = Glade to see you.5. What's your name?= May I have your name?6.with&and A and B go to the bank.A withB goes to the bank.7. I--my you--your he--his she--her it--itswe--our you--your they—themMODULE 2一、单词职业:doctor manager secretary worker teacher工作地点:factory hospital hotel office school university三、语法Can do sth. I can\can't ride a bike.Can you ride a bike? Yes, I can.\No, I can't.四、句子What does your ... do?=What is\are you ...'s job?=What is your ...?He\She is a ... They're ...重难点:1. play 与不同的名词搭配时所表达的意思是不同的,play 与球类搭配时是不需要加定冠词the ,如:playfootball ,basketball ,volleyball and so on.Play 与乐器搭配时是需要加定冠词the ,如:play the piano ,the guitar and so on.2. 固定搭配:ride a bike/horse,speak English/Japanese/Chinese,sing a song,swim.3. 不定冠词a 与an 的用法4. 语法知识:Can 的用法 Can do sth Can+主语+do sth ? Yes ,主语+can./No ,主语+can ’t. I can ’t do sth.5. What does your ... do?=What is\are you ...'s job?=What is your ...? He\She is a ... They're ...MODULE 3一、单词1.buildings in school: classroom dining hall gym library office science lab2.something: blackboard book classroom computer desk dictionary football library picture television3.numbers: thirteen fourteen fifteen sixteen seventeen eighteen nineteen thirty forty fifty sixty seventy eighty ninety4.介词:next to ≈ near behind ≠ in front of in on under5. in front of:在......前面in the front of:在......里面的前面 6.right 正确的≠wrong 右边的≠left二、语音 er 、or 、ur 发/ə/ 三、语法(There be)----Are there any school offices?----Yes, there are. There are some offices. ----Is there a computer on Miss Li's desk?----No, there isn't.注意:1.就近原则:There is some meat and two apple on the desk. 2.名词所有格: Miss Li's herLily and Lucy's 两人共有的 eg: Lily and Lucy's father. Lily's and Lucy's 两人各有的 Lily's and Lucy's fathers.重难点:1.重要单词: classroom dining hall gym library office science lab blackboard book classroom computer desk dictionary football library2.介词的用法: next to ≈ near behind ≠ in front of in on under3.in front of 与 in the front of 的区别4.语法知识: ----Are there any school offices? ----Yes, there are. There are some offices. ----Is there a computer on Miss Li's desk?----No, there isn't.就近原则:5.名词所有格:MODULE 4一、family members:aunt uncle grandma grandmother grandpa grandfather mother father mum dad sister brother 二、短语句型Thank you for your email. your help. helping me.asking me.inviting me. Make a family tree for your family.----How many people are there in your family?----There are four. There are my mum and dad, my sister and me. ----Have you got an aunt?/any .....? ----Yes,I have./No,I haven't.选择疑问句)or 的用法:① 或; ② 并列否定:I don't like swimming or dancing.重难点:1.重要单词: aunt uncle grandma grandmother grandpa grandfather mother father mum dad sister brother2.重要短语:Thank you for doing sth./Thanks for doing sth.3.have got 的用法4.重难点: or 的用法:① 或; ② 并列否定:I don't like swimming or dancing.MODULE 5-6一、单词1. orange 橙汁 have some orange [U ] 橙色 the oranges are orange [C ] 橙子 This is an orange [C ]2.Kind 善良 He is very kind.种类=type a kind / type of fruit two kinds /types of fruits1. 重要单词:orange 三个不同的含义,health(n.)与healthy(adj.)的区分.2. 重要短语与句型:详见知识点概括MODULE 7一、短语get up≠go to bedgo home≠leave home(for)study science/history/chemistry/maths/...二、语法 ①时间表达法:②一般现在时(1)【No. 1】一般现在时的功能usually 、always 、often 、never + n.be + usually 、always 、often 、never1.表示事物或人物的特征、状态。
外研版英语冠词-知识点归纳与练习

外研版英语冠词-知识点归纳与练习一、初中英语冠词1.We often have three meals ___day. And we usually have ___breakfast at 8: 00 every morning.A. a, theB. a, aC. a,/D. /,the【答案】 C【解析】【分析】句意:我们经常一天吃三顿饭,我们通常每天早上八点吃早饭。
three meals a day,一天三顿饭,固定搭配;吃早饭用have/eat breakfast,固定搭配,故选C。
【点评】考查冠词用法,注意平时识记three meals a day和have breakfast。
2._______moon is very bright at night.A. AB. AnC. TheD. /【答案】C【解析】【分析】句意:月亮在晚上很明亮。
moon表示独一无二的事物,所以前用定冠词the,故答案为C。
【点评】考查冠词的用法,在表示独一无二的名词前用the。
3.There is _______ umbrella behind the door.A. aB. anC. theD. 不填【答案】 B【解析】【分析】句意:在门后面有一把伞。
名词umbrella为第一次出现,单数形式,且为元音音素发音开头,应用不定冠词an。
故选B。
【点评】考查不定冠词,注意区分定冠词和不定冠词、不定冠词a和an的用法。
4.—Mum, I'm going on a picnic with my friends today.—Have good day.A. aB. anC. /【答案】 A【解析】【分析】句意:——妈妈,今天我将和朋友去野餐。
——玩得高兴。
a和an是不定冠词,/是零冠词;day是单数,good以辅音音素开头,所以用a,have a good day,玩得高兴,固定搭配,故选A。
【点评】考查冠词用法,注意平时识记固定搭配,理解句意。
外研版8年级上册冠词默写(含音标和翻译)

外研版8年级上册冠词默写(含音标和翻译)Unit 1Exercise 1:1. a book [ə bʊk] - 一本书a book [ə bʊk] - 一本书2. an apple [ən ˈæpl] - 一个苹果an apple [ən ˈæpl] - 一个苹果3. the cat [ðə kæt] - 这只猫the cat [ðə kæt] - 这只猫4. a dog [ə dɔːɡ] - 一只狗a dog [ə dɔːɡ] - 一只狗5. the girl [ðəɡɜːr] - 这个女孩the girl [ðəɡɜːr] - 这个女孩6. a pencil [əˈpensl] - 一支铅笔a pencil [əˈpensl] - 一支铅笔7. a pen [ə pen] - 一支钢笔a pen [ə pen] - 一支钢笔8. an umbrella [ən ʌmˈbrelə] - 一把雨伞an umbrella [ən ʌmˈbrelə] - 一把雨伞Exercise 2:1. I have a cat. [ə] - 我有一只猫。
a cat. [ə] - 我有一只猫。
2. She has an apple. [ən] - 她有一个苹果。
an apple. [ən] - 她有一个苹果。
3. I saw the dog. [ðə] - 我看见了那只狗。
the dog. [ðə] - 我看见了那只狗。
4. This is a book. [ə] - 这是一本书。
a book. [ə] - 这是一本书。
5. The girl is playing. [ðə] - 这个女孩在玩。
The girl is playing. [ðə] - 这个女孩在玩。
6. Here is a pencil. [ə] - 这里有一支铅笔。
(完整版)初中英语冠词用法总结归纳

初中英语冠词用法总结归纳及综合练习一、不定冠词1.不定冠词a,anA用于以辅音因素或半元音因素/j/,/w/开头的单词。
An用于元音因素开头的单词注意:元音因素开头的单词,首字母不一定就是元音字母例如,hour,honest等单词,看起来是以辅音字母开头,但是发音时辅音字母h没有发音,而是以元音开头,因此前面应加不定冠词an。
而有些单词如university,uniform等单词,是以元音字母u开头,但是读音时u发半元音/j/开头,所以前面应加a。
2.不定冠词的用法。
(1)用于可数名词的单数前,表示数量“一”,如:I have a new pen.(2)表示一类人或物,如:An elephant is big and strong.(3)第一次提到的人或物,如:Look, a dog is running to us.(4)表示“每一”的意思,如:I go shopping once a week.3.不定冠词的固定搭配have a look 看一下 have a good time 玩得愉快take a break 休息一下 take a walk 散步in a hurry 急匆匆地 half an hour 半小时a lot of 许多,大量 a great deal of 大量 +不可数名词a number of 许多 +可数名词 a few 一些 +可数名词a little 一些 +不可数名词二、定冠词1.定冠词the的用法(1)特指某些人或物,例如:The woman in red dress is my mother.(2)特指前面提到过的人或物,例如:I have a dog. The dog is cute.(3)指谈话双方都知道的人或事物。
What do you think of the novel?(4)指宇宙间独一无二的东西,如:The moon is bright at night.(5)用于单数名词前表示一类人或物,如:The horse is a useful animal.(6)用于序数词前,如:、January is the first month of the year.(7)用于形容词的最高级前面,如:John is the tallest student in my class.(8)用于方位和位置前,如:At the top of at the back of at the bottom of at the middle of(9)用于某些专有名词前,如:the Yangtze River the Great Wallthe United Nations the Summer Palace(10)用于姓氏复数前,表示一家人,如:The Wangs are having dinner now。
八年级英语上册知识讲义-语法讲解(冠词)(附练习及答案)-外研版

初中英语冠词知识梳理【教材原句】The population of China is about 1.37 billion.【概念】冠词分为定冠词和不定冠词,定冠词是the,不定冠词是a和an。
在使用时要注意用法的不同。
【用法和例句】1. 第一次提到的事物,一般来讲用不定冠词来修饰。
There is an apple on the desk.I have a pen.2. the可以指前面提到过的事物。
I bought a book yesterday. The book is very interesting.There is an eraser on the desk. Is the eraser yours?3. a和an的区别:注意元音音素前面用an,而辅音音素前面则用a。
a pen, an umbrella, a university, an “S”4. 球类,棋类,三餐前面不加the。
play basketball, play chess, have dinner, have breakfast5. 乐器前面就要加the。
play the piano, play the guitar, play the violin6. the还可以表示说话人与听话人都知道的事物。
Can you open the window?Please take the desk to that room.7. 序数词前面用定冠词。
She is always the first one to come to school.【考题链接】单项选择:1. I read ______________story. It is ______________interesting story.A. a, anB. a, aC. the, theD. /, an2. Britain is ____________ European country and China is _______________ Asian country.A. an, anB. a, aC. a, anD. an, a答案:1. A 2. C思路分析:注意冠词的一些基本用法。
初一下册外研版中英语冠词的用法归纳总结

初一下册外研版中英语冠词的用法归纳总结一、选择题1.不定冠词的用法不定冠词有两个,a 和 an。
a用在辅音开头的单词前面;an用于以元音开头的单词前。
如:a book, an apple。
1)不定冠词用在但数可数名词前表示“某一个”。
如:There is a policeman at the door.门口有个警察。
2) 不定冠词用在单数可数名词之前,表示“任何,每个”。
如:A car must be insured.汽车一定要上保险。
A soldier must obey orders.军人必须服从命令。
3) 不定冠词用于头一次出现的单数名词之前。
如:There is a box in the room. The box is heavy.房间里有个箱子。
这个箱子很重。
4) 不定冠词和名词连用作表语或同位语,主要说明某个人或东西所属类别。
如:She is a teacher. 她是个老师。
We all thought him a suitable person for the job.我们都认为他是适合做这个项目的人。
5)定冠词用在价格、速度、比率等短语中。
如:six kilometers an hour 每小时60公里3 times a day 每天三次6) 不定冠词用在专有名词前。
如:He wants to buy a Kodak.他想买架柯达相机。
7)不定冠词用于某些固定短语中。
如:have a try试一下 take a break 休息一下 have a good time 玩得痛快make a living 谋生 as a matter of fact 事实上 in a word 总而言之2.Life has ________ value only when ________ has something valuable as its purpose. A.an; / B.the; it C./; one D.a; it 3.Thailand is ________ Asian country and it is a good place to visit.A.a B.an C.the D./4.He who has never been to the Great Wall is not ________ true man.A.an B.a C.the D./5.— What are you reading, Jim?— ______ introduction to the art festival written by ______ university student.A.An; a B.An; an C.A; the D.A; an 6.Among all kinds of traditional Chinese art, I like_______ Beijing Opera best because it is really ________fun.A./;a B./;/ C.the;/ D.the;a7.—What________exciting news report Tom wrote! I think I should read it to all of you.—Really? What________good advice it is!A.\; a B.an; a C.an; \ D.\; \8.The film is worth seeing________second time—it reminds me of ________happy old days I spent in the country.A.the; 不填B.a; the C.a; 不填D.the; the9.Life is one-way road. No matter how you change, it will not go back.A.the B.a C.an D.\ 10.—Look, the young woman who is playing _______ guitar is _______ university teacher.—Her performance is quite pleasant.A.the ; an B./; an C.the; a D./ ; a11.When I carry _______ umbrella in ______ fine weather, they’ll laugh at me and say I’m stupid.A.an;such B.an;so C.a;such D.a;so12.We went right round to the west coast by sea instead of driving across continent。
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外研版英语【初中英语】冠词-知识点归纳与练习一、初中英语冠词1.We can't see ________ sun at night.A. aB. anC. the【答案】 C【解析】【分析】句意:我们在晚上不能看到太阳。
世界上独一无二的事物前,用定冠词the修饰,sun,太阳,独一无二的,故选C。
【点评】此题考查定冠词。
注意定冠词the的使用规则。
2.The bed piano allows a music lover to play ______ piano while he is lying in bed.A. aB. anC. /D. the【答案】 D【解析】【分析】句意:钢琴床允许音乐爱好者躺在床上时弹奏钢琴。
play后跟乐器,乐器前用定冠词the。
故答案为D。
【点评】考查冠词的用法。
3.—My daughter seldom has breakfast.—It's ________unhealthy habit. Breakfast is very important to health.A. aB. anC. the【答案】B【解析】【分析】句意:—我女儿很少吃早饭。
—那是一个不健康的习惯,早饭对健康非常重要。
根据句意可知是表示数量一,用不定冠词a/an,一个。
a用于辅音音素开头的单词前,an用于元音音素开头的单词前;unhealthy是元音音素开头的单词,故选B。
【点评】考查冠词辨析,注意不定冠词和定冠词的词义和用法。
4._______moon is very bright at night.A. AB. AnC. TheD. /【答案】C【解析】【分析】句意:月亮在晚上很明亮。
moon表示独一无二的事物,所以前用定冠词the,故答案为C。
【点评】考查冠词的用法,在表示独一无二的名词前用the。
5.There is _______ umbrella behind the door.A. aB. anC. theD. 不填【答案】 B【解析】【分析】句意:在门后面有一把伞。
名词umbrella为第一次出现,单数形式,且为元音音素发音开头,应用不定冠词an。
故选B。
【点评】考查不定冠词,注意区分定冠词和不定冠词、不定冠词a和an的用法。
6.—This photo makes me think of trip to the Great Wall last year.—Yeah, we had a great time there.A. aB. anC. theD. /【答案】 C【解析】【分析】句意:——这张照片让我想起了去年去长城的那次旅行。
——是的,我们在那儿玩得很开心。
to the Great Wall last year是后置定语,修饰trip,所以特指,故选C。
【点评】考查冠词辨析。
7.I want to be____ English teacher because English is ____useful language.A. a; aB. an; aC. a; anD. an; an【答案】 B【解析】【分析】句意:我想成为一名英语老师,因为英语是一门有用的语言。
a/an均表示一,表泛指,表泛指一名英语老师和一名有用的语言,用不定冠词,a/an,English以元音音素开头,第一空用an,useful以辅音音素开头,用a,故选B。
【点评】考查冠词的辨析。
注意冠词的用法。
8.Hide-and-seek isn't ________ interesting game for children.A. aB. anC. theD. /【答案】 B【解析】【分析】句意:捉迷藏对孩子们来说不是什么有趣的游戏。
game是可数名词单数,前面用不定冠词a/an,表示泛指,interesting为元音音素开头的单词,故用不定冠词an,故选B。
【点评】考查冠词辨析,注意不定冠词an表示泛指的用法。
9.There is ________ map of China on the wall in my bedroom.A. aB. anC. the【答案】 A【解析】【分析】句意:我卧室墙上有一张中国地图。
map,地图,单数,用不定冠词表示数量一,map以辅音音素开头,因此用a,故填a。
【点评】考查冠词的辨析,注意冠词的用法。
10.Don't tell a lie. You are __________ honest boy.【答案】 B【解析】【分析】句意:不要说谎,你是一个诚实的男孩。
boy,男孩,可数名词单数,前面加冠词a/an,表示数量“一",honest,诚实的,音标是[ˈɒnɪst],以元音音素开头,因此前面用an,故选B。
【点评】此题考查不定冠词用法。
11.Learning is ________ lifelong journey because every day brings something new.A. /B. aC. the【答案】 B【解析】【分析】句意:学习是人生的旅程,因为每一天都会带来新的东西。
journey,旅行,可数名词单数,此处表示泛指,其前要用不定冠词,其前有lifelong以辅音音素开头的词,要用不定冠词a,故选B。
【点评】考查冠词的用法。
根据句子结构和表示的含义选择正确的冠词。
12.We usually go swimming in _____summer. But in ______summer of 2018, we didn't.A. /; /B. a; aC. /; theD. a; /【答案】 C【解析】【分析】句意:我们通常在夏天去游泳。
但是2018年的夏天,我们没去。
第一空泛指夏天,不加冠词;第二空特指2018年的夏天,用the。
故选C。
【点评】考查冠词的用法。
13.Benjamin has learned that it is not polite to make _____ fun of others.A. aB. anC. theD. /【答案】 D【解析】【分析】句意:本杰明已经知道了取笑别人是没有礼貌的。
make fun of,取笑……,固定搭配,故答案是D。
【点评】考查零冠词,注意识记固定短语make fun of的用法。
14.Mr. Brown has ________ eight-year-old daughter. She is very lovely.A. aB. anC. the【答案】 B【解析】【分析】句意:Mr. Brown有一个8岁大的女儿,非常可爱。
不定冠词表示一,eight-year-old以元音因素/ei/开头,故用an修饰;a修饰以辅音因素开头的单数名词前;定冠词the表示特指,均不符题意,故选B。
【点评】此题考查冠词的用法。
注意冠词的使用规则。
15.—Do you know 2019 is the year of the Pig?—Sure. The pig is ________ twelfth sign in the Chinese zodiac cycle (生肖).【答案】 C【解析】【分析】句意:——你知道2019年是猪年吗?——当然,猪是十二生肖表中的第十二个。
twelfth 是序数词,序数词前应使用定冠词the,故答案是C。
【点评】考查定冠词的用法,注意序数词前面应使用定冠词。
16.Bill bought ________ useful book. ________ book is very interesting.A. a; TheB. a; AC. an; TheD. an; A【答案】 A【解析】【分析】句意:Bill买了一本有用的书。
这本书很有趣。
表示泛指一本有用的书,且useful以辅音音素开头,用不定冠词a,第二次出现book,表特指,用the,故选A。
【点评】考查冠词的用法。
注意定冠词和不定冠词的用法。
17.As _______volunteer at the Beijing Expo 2019 (园艺博览会),Lu Ming understands _________idea of green life better than before.A. a; anB. a; theC. the; anD. the; the【答案】 B【解析】【分析】句意:作为一个2019北京园艺博览会的志愿者,陆明比以前更能理解绿色生活的概念。
第一空根据可数名词单数voluntee“志愿者”,可知应用不定冠词a,表“一个”;第二空根据可数名词单数idea后的定语of green life “绿色生活的”,可知为特指,应用定冠词the,故选B。
【点评】考查冠词。
注意不定冠词用于泛指,定冠词用于特指。
18.He has _____ i-phone and now he is reading _____ useful e-book on it.A. a; aB. the; aC. an; aD. an; the【答案】 C【解析】【分析】句意:他有一个i-phone,现在他在上面读一本有用的电子书。
根据不定冠词a/an一个,通常用于泛指,a同于辅音因素开头的单词前,an用于元音因素开头的单词前;定冠词the这个,那个,通常用于特指;这里两个空都是泛指,因此用a/an,i-phone元音因素开头,因此用不定冠词an;useful辅音因素开头,因此用不定冠词a,故选C。
【点评】此题考查不定冠词用法。
注意不定冠词的使用规则。
19.I had egg and some milk for breakfast this morning.A. aB. anC. theD. /【答案】 B【解析】【分析】句意:今天的早饭,我吃了一个鸡蛋喝了一些牛奶。
a和an是不定冠词,the是定冠词,/是零冠词;egg,可数名词单数,因此要用不定冠词,表示数量一,egg是以元音音素开头的单词,因此用an,故答案是B。
【点评】考查冠词辨析,注意以元音因素开头的单词前面使用不定冠词an。
20.______ new study says that going to _______ bed late is harmful to our health.A. /, /B. A, /C. A, theD. The, the【答案】 B【解析】【分析】句意:一项新研究说晚睡觉对我们的健康是有害的。
study是单数,new 以辅音音素开头,所以用a;go to bed,去睡觉,固定搭配,故选B。
【点评】考查冠词辨析及固定搭配,注意平时识记,理解句意。