一道英语题

Some people fear that ________ air pollution may bring about changes in _______ weather around the world. Ks5u
A. /; the B. the; / C. an; the D. the; a

这个题选什么,解释一下,顺便讲讲有关的冠词知识,谢谢

因为air pollution 是泛指所有的空气污染,所以前面不加任何冠词,选A.

关于冠词的知识:
一.不定冠词的用法

1.泛指某一类人、事或物;相当于any,这是不定冠词a/an的基本用法。

2.泛指某人或某物,但不具体说明何人或何物。

3.表示数量,有“一”的意思,但数的概念没有one强烈。

4.表示“每一”,相当于every. 例如,I go to school five days a week.我一周上五天课。

5.用在序数词前,表示“又一”,“再一”。例如,I have three books. I want to buy a fourth one.我已经有三本书,我想买第四本。

6.用在某些固定词组中:a lot(of)许多,大量;after a while过一会儿

二.定冠词的用法

1.特指某(些)人或某(些)物,这是定冠词的基本用法。

2.指谈话双方都知道的人或事物。例如:Open the window,please.请打开窗户。

3.指上文已经提到的人或事物。例如:I have a car. The car is red.我有一辆小汽车,它是红色的。

4.指世界上独一无二的事物。 例如:Which is bigger,the sun or the earth?哪一个大,太阳还是地球?

5.用在序数词,形容词最高级前。例如:The first lesson is the easiest one in this book.第一课是这本书最简单的一课。

6.用在由普通名词构成的专有名词前。例如,the Great Wall长城,the United States美国

7.用在某些形容词前,表示某一类人。例如:the poor穷人,the blind盲人

8用在姓氏复数形式前,表示“全家人”或“夫妻俩”。例如:the Greens 格林一家或格林夫妻俩

9.用在方位词前。例如:on the left在左边,in the middle of在中间

10.用在乐器名称前。例如:She plays the piano every day.她每天弹钢琴。

11.用在表示海洋,河流,山脉,群岛及国家和党派等名词前。

例如:the Black Sea黑海,the Yangzi River长江

12.用在某些固定词组中:all the same仍然;all the time一直;at the moment此刻;at the same time同时;by the way顺便说;do the shopping/washing买东西/洗衣服;in the morning/afternoon/evening 在上午/下午/晚上;in the open air 在户外,在野外

三.零冠词的用法

1.在专有名词和不可数名词前。例如,Class Two二班,Tian’an Men Square天安门广场,water水

2.可数名词前已有作定语的物主代词(my,your,his,her等)、指示代词(this/these,that/those)、不定代词(some,any等)及所有格限制时。

例如my book(正);my the book(误)

3.复数名词表示一类人或事物时。

例如,They are teachers.他们是老师。

Tigers like meat.老虎喜欢吃肉

4.在星期,月份,季节,节日前。例如:on Sunday在周日,in March在三月,in spring在春天,on Women’s Day在妇女节

(特例:如果月份,季节等被一个限定性定语修饰时,则要加定冠词:He joined the Army in the spring of 1982.他在1982年春季参军。)

5.在称呼语或表示头衔的名词前。例如:Tom汤姆,Mum妈妈

6.在学科名称,三餐饭和球类运动名称前。例如:I have lunch at school every day.

特例:当football,basketball指具体的某个球时,其前可以用冠词:I can see a football.我可以看到一只足球。Where’s the football?那只足球在哪儿?(指足球,并非“球类运动”)

7.在表特定的公园,街道,车站,桥,学校等之前。例如:No.25 Middle School

8.某些固定词组中不用冠词。

(1)与by连用的交通工具名称前:by bus乘公共汽车;by car乘汽车;by bike骑/坐自行车;by train乘火车;by air/plane乘飞机;by sea/ship乘船,但take a bus,in a boat,on the bike前需用冠词

(2)名词词组:day and night日日夜夜;brother and sister兄弟姐妹;hour after hour时时刻刻;here and there到处

(3)介词词组:at home在家;in surprise惊奇地;at noon在中午;on foot步行;at night在晚上;on duty值日;at work在工作;on time准时;for example例如;in class在上课;on show展览;in bed在床上

(4)go短语:go home回家;go to bed上床睡觉;go to school去上学;go to work去上班;go shopping/swimming/boating/fishing去买东西/游泳/划船/钓鱼

四.用与不用冠词的差异

in hospital住院/in the hospital在医院里

go to sea出海/go to the sea去海边

on earth究竟/on the earth在地球上,在世上

in front of在……(外部的)前面/in the front of在……(内部的)前面

take place发生/take the place(of)代替

at table进餐/at the table在桌子旁

by sea乘船/by the sea在海边

in future从今以后,将来/in the future未来

go to school(church…)上学(做礼拜…)/go to the school(church…)到学校(教堂…)去

on horseback骑着马/on the horseback在马背上

two of us我们当中的两人/the two of us我们两人(共计两人)

out of question毫无疑问/out of the question不可能的,办不到的

next year明年/the next year 第二年

a teacher and writer一位教师兼作家(一个人)/a teacher and a writer一位教师和一位作家(两个人)
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第1个回答  2009-08-14
选A air pollution是泛指 不需要加the in the weather 是指地球范围内 有特指的意思 也可理解为固定短语 在天气里
A
1、不定冠词的基本用法

2、定冠词的基本用法

3、不加冠词的基本规则以及冠词的习惯用法

冠词是一种虚词,只能附着在名词上帮助说明名词的含义。

冠词分为定冠词(the)和不冠词(a或an)两类,定冠词表示特指,不定冠词表示泛指。

a用于读音以辅音开头的词前面,an用于读音以元音开头的词前面。

如:a university, a useful book, an umbrella, a horse, an honest man.

一、不定冠词的基本用法

1.表示"一"的含义。

Give me a pen please.

We go shopping twice a week.

2.泛指某个人或东西。

Yesterday we visited an English secondary school.

She picked up a magazine and began to read.

3.表示一类人或东西。

He works as a language teacher in that university.

As a writer, he is successful.

Even a child can answer this question.

可数名词单数出现,泛指用不定冠词,特指用定冠词。一个可数名词的单数不能自己单独出现。

二、定冠词的基本用法

1.表示特定的人或东西。

Give me the magazine.

Have you decided on the prices yet?

The book on the table is an English dictionary.

Beijing is the capital of China.

2.复述前文提到的人或东西。

Last week, I saw a flim. The film is about a love story between two middle-aged people.

The old man saw a house in the field. He went into the house and found a beautiful girl sitting there and singing.

3.用于形容词前面,代表一类人或东西。

the poor 穷人 the rich 富人 the wounded 受伤的人

the sick 生病的人 the beautiful 美丽的事物 the old 老年人

the young 年青人

4.用于表示世界上独一无二的东西的名词前面。

the moon, the sun, the earth

The moon moves aroud the earth.

We have friends all over the world.

Don't build castles in the air.

5.用于序数词、方位名词、形容词与副词的最高级前面,副词最高级前面的the 可以省略。

January is the first month of the year.

The sun rises in the east.

Japan lies to the east of China.

Beijing lies in the north of China.

Ireland lies on the Great Britain.

At the Children's Palace, some children learn to play the piano, others learn to play the violin.

Last week we went to the theatre.

Among the three girls she speaks English the best.

"东、南、西、北"作副词时,前面不加冠词。

We are walking south.

形容词最高级前若有物主代词,就不加定冠词。

Monday is my busiest day.

6.用于姓氏的复数形式前,表示一家人或夫妇俩。

The Lius have moved to Guangzhou.

The Simths came to China for visit in 1996.

7.不可数名词前面通常不加定冠词,但若有限制性定语修饰,或表示特定部分、特定内容时,前面需加定冠词。

Drink some water.

Is the water in the well fit for drink?

What do you think of the music?

He can't take the advice his mother gives him.

三、不加冠词的基本规则

1.季节、月份、日期前一般不加冠词。

If winter comes can spring be far behind?

We have few classes on Sunday.

10.1 is National Day.

2.表示球类、棋类、三顿饭的名词前通常不加冠词,但乐器前需加定冠词。

What did you have for lunch?

Dinner is ready.

Let's go and watch them play chess.

My elder brother likes to play football.

The boys are learnig to play the guitar.

play the piano

play the violin

3.有些固定词组中的名词前不加冠词。

at noon at night at dawn at midnight in the morning

in the afternoon in the evening in the daytime in town

in front of (at the back of) at distance (in the distance)

as a whole on the whole to catch cold to have a cold

冠词考试重点

冠词所占比例不大,一般是1分或2分。

1、什么时候加定冠词。

2、可数名词单数出现,必须用a或an或定冠词修饰,不能单独出现。

3、什么情况下,不用加冠词。

冠词易考:

1、冠词修饰名词。

Please go _____ upstairs after you have finished the lunch.

upstairs是副词,前面不需要加冠词。

2、可数名词单数泛指,前面加不定冠词。an用于读音以元音开头的单词前。

Reading English story books is a good way of improving your English.

I have been waiting for him for half an hour.

3、名词特指时,前面加定冠词。

He is enjoying his stay in Denmark, but has some difficulty with the language.

Is the water from the tap fit for drink?

4、可数名词的复数和不可数名词泛指,前面不加冠词;大部分专有名词前也不加冠词。

As we know, the most dangerous enemies are those who pretend to be friends.

They left for work after supper.

The film includes some recently discovered newsreels of World War II .(the Sencond World War)

5、冠词在固定词组中的特定用法。

Without any news from Tom for a long time, his father left for Shanghai to see him.

They will travel by air.

I will help you for the sake of your sister.(for the sake of 因为)

I will go to school on foot.

My mother is in hospital.

He has been in prison for two years.

满意就选最佳吧 谢了O(∩_∩)O哈!
第2个回答  2009-08-14
A
1、不定冠词的基本用法

2、定冠词的基本用法

3、不加冠词的基本规则以及冠词的习惯用法

冠词是一种虚词,只能附着在名词上帮助说明名词的含义。

冠词分为定冠词(the)和不冠词(a或an)两类,定冠词表示特指,不定冠词表示泛指。

a用于读音以辅音开头的词前面,an用于读音以元音开头的词前面。

如:a university, a useful book, an umbrella, a horse, an honest man.

一、不定冠词的基本用法

1.表示"一"的含义。

Give me a pen please.

We go shopping twice a week.

2.泛指某个人或东西。

Yesterday we visited an English secondary school.

She picked up a magazine and began to read.

3.表示一类人或东西。

He works as a language teacher in that university.

As a writer, he is successful.

Even a child can answer this question.

可数名词单数出现,泛指用不定冠词,特指用定冠词。一个可数名词的单数不能自己单独出现。

二、定冠词的基本用法

1.表示特定的人或东西。

Give me the magazine.

Have you decided on the prices yet?

The book on the table is an English dictionary.

Beijing is the capital of China.

2.复述前文提到的人或东西。

Last week, I saw a flim. The film is about a love story between two middle-aged people.

The old man saw a house in the field. He went into the house and found a beautiful girl sitting there and singing.

3.用于形容词前面,代表一类人或东西。

the poor 穷人 the rich 富人 the wounded 受伤的人

the sick 生病的人 the beautiful 美丽的事物 the old 老年人

the young 年青人

4.用于表示世界上独一无二的东西的名词前面。

the moon, the sun, the earth

The moon moves aroud the earth.

We have friends all over the world.

Don't build castles in the air.

5.用于序数词、方位名词、形容词与副词的最高级前面,副词最高级前面的the 可以省略。

January is the first month of the year.

The sun rises in the east.

Japan lies to the east of China.

Beijing lies in the north of China.

Ireland lies on the Great Britain.

At the Children's Palace, some children learn to play the piano, others learn to play the violin.

Last week we went to the theatre.

Among the three girls she speaks English the best.

"东、南、西、北"作副词时,前面不加冠词。

We are walking south.

形容词最高级前若有物主代词,就不加定冠词。

Monday is my busiest day.

6.用于姓氏的复数形式前,表示一家人或夫妇俩。

The Lius have moved to Guangzhou.

The Simths came to China for visit in 1996.

7.不可数名词前面通常不加定冠词,但若有限制性定语修饰,或表示特定部分、特定内容时,前面需加定冠词。

Drink some water.

Is the water in the well fit for drink?

What do you think of the music?

He can't take the advice his mother gives him.

三、不加冠词的基本规则

1.季节、月份、日期前一般不加冠词。

If winter comes can spring be far behind?

We have few classes on Sunday.

10.1 is National Day.

2.表示球类、棋类、三顿饭的名词前通常不加冠词,但乐器前需加定冠词。

What did you have for lunch?

Dinner is ready.

Let's go and watch them play chess.

My elder brother likes to play football.

The boys are learnig to play the guitar.

play the piano

play the violin

3.有些固定词组中的名词前不加冠词。

at noon at night at dawn at midnight in the morning

in the afternoon in the evening in the daytime in town

in front of (at the back of) at distance (in the distance)

as a whole on the whole to catch cold to have a cold

冠词考试重点

冠词所占比例不大,一般是1分或2分。

1、什么时候加定冠词。

2、可数名词单数出现,必须用a或an或定冠词修饰,不能单独出现。

3、什么情况下,不用加冠词。

冠词易考:

1、冠词修饰名词。

Please go _____ upstairs after you have finished the lunch.

upstairs是副词,前面不需要加冠词。

2、可数名词单数泛指,前面加不定冠词。an用于读音以元音开头的单词前。

Reading English story books is a good way of improving your English.

I have been waiting for him for half an hour.

3、名词特指时,前面加定冠词。

He is enjoying his stay in Denmark, but has some difficulty with the language.

Is the water from the tap fit for drink?

4、可数名词的复数和不可数名词泛指,前面不加冠词;大部分专有名词前也不加冠词。

As we know, the most dangerous enemies are those who pretend to be friends.

They left for work after supper.

The film includes some recently discovered newsreels of World War II .(the Sencond World War)

5、冠词在固定词组中的特定用法。

Without any news from Tom for a long time, his father left for Shanghai to see him.

They will travel by air.

I will help you for the sake of your sister.(for the sake of 因为)

I will go to school on foot.

My mother is in hospital.

He has been in prison for two years.本回答被提问者采纳
第3个回答  2009-08-14
A;air pollution 是一种常见的现象,不用特指,不用加冠词;weather 则是特指around the world的天气,所以加冠词the。
第4个回答  2009-08-14
A
空气污染是整件事情,不用特指
第二个是特指世界范围内的气候,所以要加the