作业帮这一个题怎么做
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/11/06 00:18:50
这一个题怎么做
B
大卫研究什么?
我听说他在研究声学.
另附冠词的用法：零冠词的用法
1) 国名,人名前通常不用定冠词：England,Mary；
2）泛指的复数名词,表示一类人或事物时,可不用定冠词；
They are teachers. 他们是教师.
3）抽象名词表示一般概念时,通常不加冠词；
Failure is the mother of success. 失败乃成功之母.
4）物质名词表示一般概念时,通常不加冠词,当表示特定的意思时,需要加定冠词；
Man cannot live without water. 人离开水就无法生存.
5）在季节、月份、节日、 假日、日期、星期等表示时间的名词之前,不加冠词；
We go to school from Monday to Friday. 我们从星期一到星期五都上课.
6）在称呼或表示官衔,职位的名词前不加冠词；
The guards took the American to General Lee.
士兵们把这个美国人送到李将军那里.
7）在三餐、球类运动和娱乐运动的名称前,不加冠词 如：have breakfast,play chess
8）当两个或两个以上名词并用时,常省去冠词；
I can't write without pen or pencil. 没有钢笔和铅笔,我就写不了字.
9）当by 与火车等交通工具连用,表示一种方式时,中间无冠词；by bus,by train；
10）有些个体名词不用冠词；如：
school,college,prison,market,hospital,bed,table,class,town,church,court 等个体名词,直接置于介词后,表示该名词的深层含义；
go to hospital 去医院看病
go to the hospital 去医院 (并不是去看病,而是有其他目的)
11)不用冠词的序数词；
a. 序数词前有物主代词
b. 序数词作副词 He came first in the race.
c. 在固定词组中 at (the) first,first of all, from first to last
由于汉语没有对应的词,所以学起来一定有困难.主要是把规则记住,还要活用.注意人家的习惯表达,如一些固定词组.多分析一些题目,可能有帮助.不要太迷信书上的什么口诀,任何事情都有例外.送上用法：
冠词是一种虚词,用在名词或名词词组的前面,表示名词是特指还是泛指.冠词可分为不定冠词和定冠词两种形式. 不定冠词有 a, an. 定冠词有 the. 其中, a 用在发音以辅音开头的名词之前, 而 an 则 用在 发音以元音开头的名词之前.不定冠词的用法:
1) 表示某一类人或某事物中的任何一个,经常用在第一次提到某人或某物时,用不定冠词起介绍作用,表示一个.
I gave him a book yesterday.
我昨天给了他一本书.
I am reading an interesting story .
我在读一本有趣的故事书.
I have got a ticket.
我有一张票.
There is a tree in front of my house.
我的屋前有一棵树.
2) 表示人或事物的某一种类, 强调整体, 即以其中的一个代表一类.
A horse is useful to mankind.
马对人类有用.
A bird can fly.
鸟会飞.
A steel worker makes steel.
炼钢工人炼钢.
3) 不定冠词用在事物的"单位"前,如时间, 速度, 价格等意义的名词之前,表示 "每一".
We often go to school two times a day.
我们常常一天两次去学校.
I went to the library once a week at least.
我一星期至少去一次图书馆.
The potato is sold at about 30 fen a jin.
土豆卖三毛钱一斤.
4) 不定冠词用来指某人某物,但不具体说明任何人或任何物.
A boy came to see you a moment ago.
刚才有一个小孩来找你.
I got this tool in a shop.
我在商店买的这件工具.
We need a car now.
我们现在需要一辆车.
She is ill, she has to see a doctor.
她病了,她得去看病.
5) 不定冠词用于某些词组.
a few 几个 a little 有点
She has a few friends in this city.
她在这个城市中有几个朋友.
There is a little milk in the bottle.
瓶子里有点牛奶.
Only a few students are in the classroom.
只有几个学生在教室里.
定冠词的用法.
1) 定冠词特指某(些)人或某(些)事物, 以区别于同类中其他的人或事物.
The bag in the desk is mine.
桌子里的书包是我的.
Is this the book you are looking for?
这是你要找的书吗?
Do you know the man in back?
你知道穿黑色衣服的人是谁吗?
It is not the car we are looking for.
这不是我们要找的车.
The man has found his child.
那个人找到了他的孩子.
2) 定冠词用来指上文中已提到过的人或事物.
I bought a book from Xinhua book-shop. The book costs 15 yuan.
我从新华书店买了一本书. 这本书值十五元.
I saw a film yesterday.The film was ended at eight o'clock.
我昨天看了一场电影.电影八点钟结束的.
Lucy bought a radio yesterday, but she found something was wrong with the radio.
露西昨天买了一台收音机,但是她发现收音机有问题.
3) 定冠词用于表示世界上独一无二的事物或用于自然界现象或方位名词之前.
the sun the moon the earth
the sky the world the winter night
The sun is bigger than the moon.
太阳比月亮大.
I can see a bird in the sky.
我能看到天空中有一只小鸟.
I like to have a walk with the bright moon light in the evening.
我愿晚上在明亮的月光下散步.
4) 定冠词与单数名词连用,表示这一类人或物.
The dog is not too danger.
狗不太危险.
The cat is an animal.
猫是一种动物.
The umbrella in the shop is very cheap in this season.
这个季节商店里的雨伞很便宜.
5) 定冠词与某些形容词连用,使形容词名词化, 表示某一类人.
the poor, the rich, the wounded, the sick, the deaf.
The wounded were brought to the hospital.
受伤者被送到了医院.
He always helps the poor.
他经常帮助穷人.
The deaf can go to this special school.
耳聋者可以进这所特殊学校上学.
6) 用在序数词, 形容词最高级和表示方位的名词前.
This is the biggest city in China I have ever visited.
这是我在中国参观的最大的城市.
I saw a plane coming from the east.
我看见一架飞机从东方飞来.
He is the last one to help me.
他不会来帮助我的.
7) 定冠词用在演奏乐器的名称和文艺活动,运动场所的名称前.
The little girl likes to play the violin.
小女孩喜欢拉小提琴.
They are going to the cinema tonight.
他们今晚要去影院看电影.
The theater was on fire last week.
剧院昨天着火了.
8) 定冠词用在报刊,杂志的名称的名词之前.
I am reading the China Daily now.
我现在正读中国日报.
Have you got the Evening Paper yet?
你拿到晚报了吗?
The Times is a foreign newspaper.
泰晤士报是一家外国报纸.
The Peking Review is on the desk.
北京周报在桌子上放着.
9) 定冠词用在江河,海洋,山脉,群岛的名称之前.
We live near the Yellow River.
我们住在黄河边上.
The Changjiang River is the biggest one in China.
长江是中国最大的河.
The Himalayas is located in Tibet.
喜马拉雅山位于西藏.
10) 定冠词用在姓名复数之前,表示一家人.
The Greens is very kind to us.
格林一家人待我们很好.
The Whites like the classic music.
怀特一家喜欢古典音乐.
不用冠词的场合.
1) 专有名词,抽象名词和物质名词之前一般不用冠词.
China is a largest country in the world.
中国是世界上最大的国家.
I think water is a kind of food, too.
我认为水也是一种食物.
Cotton feels soft.
棉花摸起来柔软.
2) 表示日常餐食名词之前不用冠词,但如果指具体的饮食时用定冠词 the.
It's time for breakfast.
该吃早饭了.
What do you have for lunch?
你午饭吃点什么?
The dinner I had at that restaurant was expensive.
我在那家饭店吃的饭很贵.
3) 在季节,月份,星期,节日.球类运动,棋类游戏的名词之前不用冠词.
Summer is hot and winter is cold here.
这儿夏天热冬天冷.
New Year's Day is coming.
新年就要到啦.
Today is the first day of May.
今天是五月的第一天.
We are going to play basketball this afternoon.
今天下午我们要去打篮球.
We don't like bridge very much.
我们不太喜欢桥牌.
4)语言的名称前不用冠词.
Can you speak English?
你会讲英语吗?
It's difficult to learn Chinese well.
要学好中文很难.
Tom knows English but he doesn't know French.
汤姆懂英语但不懂法语.
5) 某些固定词组不用冠词.
by air, on foot, at night, after school, at home, go to class, in
fact, from morning till night.
I'm going to Chicago by air next week.
下周我要乘飞机去芝加哥.
I go to school on foot .
我步行去学校上学.
In fact, I don't know him at all.
实际上,我一点也不认识他.
He is at home today.
他今天在家.
打字不易,如满意,望采纳.
大卫研究什么?
我听说他在研究声学.
另附冠词的用法：零冠词的用法
1) 国名,人名前通常不用定冠词：England,Mary；
2）泛指的复数名词,表示一类人或事物时,可不用定冠词；
They are teachers. 他们是教师.
3）抽象名词表示一般概念时,通常不加冠词；
Failure is the mother of success. 失败乃成功之母.
4）物质名词表示一般概念时,通常不加冠词,当表示特定的意思时,需要加定冠词；
Man cannot live without water. 人离开水就无法生存.
5）在季节、月份、节日、 假日、日期、星期等表示时间的名词之前,不加冠词；
We go to school from Monday to Friday. 我们从星期一到星期五都上课.
6）在称呼或表示官衔,职位的名词前不加冠词；
The guards took the American to General Lee.
士兵们把这个美国人送到李将军那里.
7）在三餐、球类运动和娱乐运动的名称前,不加冠词 如：have breakfast,play chess
8）当两个或两个以上名词并用时,常省去冠词；
I can't write without pen or pencil. 没有钢笔和铅笔,我就写不了字.
9）当by 与火车等交通工具连用,表示一种方式时,中间无冠词；by bus,by train；
10）有些个体名词不用冠词；如：
school,college,prison,market,hospital,bed,table,class,town,church,court 等个体名词,直接置于介词后,表示该名词的深层含义；
go to hospital 去医院看病
go to the hospital 去医院 (并不是去看病,而是有其他目的)
11)不用冠词的序数词；
a. 序数词前有物主代词
b. 序数词作副词 He came first in the race.
c. 在固定词组中 at (the) first,first of all, from first to last
由于汉语没有对应的词,所以学起来一定有困难.主要是把规则记住,还要活用.注意人家的习惯表达,如一些固定词组.多分析一些题目,可能有帮助.不要太迷信书上的什么口诀,任何事情都有例外.送上用法：
冠词是一种虚词,用在名词或名词词组的前面,表示名词是特指还是泛指.冠词可分为不定冠词和定冠词两种形式. 不定冠词有 a, an. 定冠词有 the. 其中, a 用在发音以辅音开头的名词之前, 而 an 则 用在 发音以元音开头的名词之前.不定冠词的用法:
1) 表示某一类人或某事物中的任何一个,经常用在第一次提到某人或某物时,用不定冠词起介绍作用,表示一个.
I gave him a book yesterday.
我昨天给了他一本书.
I am reading an interesting story .
我在读一本有趣的故事书.
I have got a ticket.
我有一张票.
There is a tree in front of my house.
我的屋前有一棵树.
2) 表示人或事物的某一种类, 强调整体, 即以其中的一个代表一类.
A horse is useful to mankind.
马对人类有用.
A bird can fly.
鸟会飞.
A steel worker makes steel.
炼钢工人炼钢.
3) 不定冠词用在事物的"单位"前,如时间, 速度, 价格等意义的名词之前,表示 "每一".
We often go to school two times a day.
我们常常一天两次去学校.
I went to the library once a week at least.
我一星期至少去一次图书馆.
The potato is sold at about 30 fen a jin.
土豆卖三毛钱一斤.
4) 不定冠词用来指某人某物,但不具体说明任何人或任何物.
A boy came to see you a moment ago.
刚才有一个小孩来找你.
I got this tool in a shop.
我在商店买的这件工具.
We need a car now.
我们现在需要一辆车.
She is ill, she has to see a doctor.
她病了,她得去看病.
5) 不定冠词用于某些词组.
a few 几个 a little 有点
She has a few friends in this city.
她在这个城市中有几个朋友.
There is a little milk in the bottle.
瓶子里有点牛奶.
Only a few students are in the classroom.
只有几个学生在教室里.
定冠词的用法.
1) 定冠词特指某(些)人或某(些)事物, 以区别于同类中其他的人或事物.
The bag in the desk is mine.
桌子里的书包是我的.
Is this the book you are looking for?
这是你要找的书吗?
Do you know the man in back?
你知道穿黑色衣服的人是谁吗?
It is not the car we are looking for.
这不是我们要找的车.
The man has found his child.
那个人找到了他的孩子.
2) 定冠词用来指上文中已提到过的人或事物.
I bought a book from Xinhua book-shop. The book costs 15 yuan.
我从新华书店买了一本书. 这本书值十五元.
I saw a film yesterday.The film was ended at eight o'clock.
我昨天看了一场电影.电影八点钟结束的.
Lucy bought a radio yesterday, but she found something was wrong with the radio.
露西昨天买了一台收音机,但是她发现收音机有问题.
3) 定冠词用于表示世界上独一无二的事物或用于自然界现象或方位名词之前.
the sun the moon the earth
the sky the world the winter night
The sun is bigger than the moon.
太阳比月亮大.
I can see a bird in the sky.
我能看到天空中有一只小鸟.
I like to have a walk with the bright moon light in the evening.
我愿晚上在明亮的月光下散步.
4) 定冠词与单数名词连用,表示这一类人或物.
The dog is not too danger.
狗不太危险.
The cat is an animal.
猫是一种动物.
The umbrella in the shop is very cheap in this season.
这个季节商店里的雨伞很便宜.
5) 定冠词与某些形容词连用,使形容词名词化, 表示某一类人.
the poor, the rich, the wounded, the sick, the deaf.
The wounded were brought to the hospital.
受伤者被送到了医院.
He always helps the poor.
他经常帮助穷人.
The deaf can go to this special school.
耳聋者可以进这所特殊学校上学.
6) 用在序数词, 形容词最高级和表示方位的名词前.
This is the biggest city in China I have ever visited.
这是我在中国参观的最大的城市.
I saw a plane coming from the east.
我看见一架飞机从东方飞来.
He is the last one to help me.
他不会来帮助我的.
7) 定冠词用在演奏乐器的名称和文艺活动,运动场所的名称前.
The little girl likes to play the violin.
小女孩喜欢拉小提琴.
They are going to the cinema tonight.
他们今晚要去影院看电影.
The theater was on fire last week.
剧院昨天着火了.
8) 定冠词用在报刊,杂志的名称的名词之前.
I am reading the China Daily now.
我现在正读中国日报.
Have you got the Evening Paper yet?
你拿到晚报了吗?
The Times is a foreign newspaper.
泰晤士报是一家外国报纸.
The Peking Review is on the desk.
北京周报在桌子上放着.
9) 定冠词用在江河,海洋,山脉,群岛的名称之前.
We live near the Yellow River.
我们住在黄河边上.
The Changjiang River is the biggest one in China.
长江是中国最大的河.
The Himalayas is located in Tibet.
喜马拉雅山位于西藏.
10) 定冠词用在姓名复数之前,表示一家人.
The Greens is very kind to us.
格林一家人待我们很好.
The Whites like the classic music.
怀特一家喜欢古典音乐.
不用冠词的场合.
1) 专有名词,抽象名词和物质名词之前一般不用冠词.
China is a largest country in the world.
中国是世界上最大的国家.
I think water is a kind of food, too.
我认为水也是一种食物.
Cotton feels soft.
棉花摸起来柔软.
2) 表示日常餐食名词之前不用冠词,但如果指具体的饮食时用定冠词 the.
It's time for breakfast.
该吃早饭了.
What do you have for lunch?
你午饭吃点什么?
The dinner I had at that restaurant was expensive.
我在那家饭店吃的饭很贵.
3) 在季节,月份,星期,节日.球类运动,棋类游戏的名词之前不用冠词.
Summer is hot and winter is cold here.
这儿夏天热冬天冷.
New Year's Day is coming.
新年就要到啦.
Today is the first day of May.
今天是五月的第一天.
We are going to play basketball this afternoon.
今天下午我们要去打篮球.
We don't like bridge very much.
我们不太喜欢桥牌.
4)语言的名称前不用冠词.
Can you speak English?
你会讲英语吗?
It's difficult to learn Chinese well.
要学好中文很难.
Tom knows English but he doesn't know French.
汤姆懂英语但不懂法语.
5) 某些固定词组不用冠词.
by air, on foot, at night, after school, at home, go to class, in
fact, from morning till night.
I'm going to Chicago by air next week.
下周我要乘飞机去芝加哥.
I go to school on foot .
我步行去学校上学.
In fact, I don't know him at all.
实际上,我一点也不认识他.
He is at home today.
他今天在家.
打字不易,如满意,望采纳.