Police are now searching for a woman who is reported to __________ since the flood hit the area last Friday.（高考真題）

A. have been missing B. have got lost

C. be missing D. get lost

答案是B。這句中的police前就沒有定冠詞，為什么？

先把police的用法歸納如下：

▲police的意思是“警察”，指警察這個官方機構(gòu)。

The police are the official organization that is responsible for making sure that people obey the law.

它是單數(shù)形式的復(fù)數(shù)名詞，前面一般要用定冠詞the，但在英語報道或口語中，有時省略不用，作主語時謂語動詞用復(fù)數(shù)形式。

The police are also looking for a second car.

警方也在尋找另一輛車。

I reported the theft to the police

我向警方報告了這起盜竊案。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

The police also found a pistol

警方還發(fā)現(xiàn)了一把手槍。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

The police detained the suspected thief for further questioning.

警方拘留了盜竊嫌疑犯以作進一步審問。

《漢英大詞典》

A number of them have filed formal complaints against the police

他們中的許多人都對警方提出了正式控告。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

Shortly afterwards, police arrested four suspects

之后不久，警方逮捕了4名嫌犯。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

I had told people what he had been doing, so now the police were onto him.

我已將他的所作所為告訴了別人，因此現(xiàn)在警方正在追查他。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

The police have uncovered a scheme of robbery.

警察當(dāng)局破獲了一起陰謀搶劫案。

《漢英大詞典》

I had told people what he had been doing, so now the police were onto him.

我已將他的所作所為告訴了別人，因此現(xiàn)在警方正在追查他。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

Neighbours heard the sound of rifle fire and alerted the police.

鄰居們聽到了步槍聲，就報了警。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

The police are also looking for a second car.警方也在尋找另一輛車。

The police have caught the murderer.警察已經(jīng)抓獲殺人兇手。

A man was arrested by the police and held for questioning.

一名男子被警方逮捕并拘押訊問。

Get out of the house or I'll call the police .

滾出這所房子，不然我就叫警察了。

Police suspect a local gang.

警方懷疑當(dāng)?shù)氐囊粋€不良幫派。

His strange behavior made the police suspicious.他不尋常的舉止引起了警察的懷疑。

It's the duty of the police to preserve the public order.維護公共秩序是警察的職責(zé)。

Police sealed off all the exits from the building.　 　警方把建筑物的所有出口都封鎖住了。

Police asked passers-by if they had seen the accident.警察詢問過路的人是否目擊了這次事故。

Police had to break up the crowd.警察不得不驅(qū)散人群。

Police have appealed for witnesses to come forward.警方呼吁目擊者挺身而出。

Police say they have arrested twenty people following the disturbances.警方說騷亂發(fā)生后他們已逮捕了20人。

The police rounded up a number of suspects

警方圍捕了一些嫌疑犯。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

Her assistant was accused of theft and fraud by the police

她的助手被警方指控犯有盜竊和欺詐罪。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

After hours of questioning by police, she made a full confession.經(jīng)過警察數(shù)小時的審問，她才供認(rèn)了全部罪行。

Clashes broke out between police and demonstrators.警方與示威者發(fā)生了沖突。

▲police可以指人（即：警察）。

Police are men and women who are members of the official organization that is responsible for making sure that people obey the law.

當(dāng)police指具體的人時，可用they，their等復(fù)數(shù)代詞指代，可以受these, most, several, many, dozens of等表示不確切的量詞修飾，也可以受兩個以上的基數(shù)詞修飾，此時的police相當(dāng)于復(fù)數(shù)policemen。但不可用a或one修飾police表示單個警察。例如：

Hundreds of police in riot gear struggled to control the violence.

數(shù)以百計的警察身披防暴裝備，奮力鎮(zhèn)壓暴亂。

Two police officers arrested him and took him to Kensington police station.

兩名警察逮捕了他并把他帶到了肯辛頓警察分局。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

Soldiers and police have been put on alert.

士兵和警方都已進入警戒狀態(tài)。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

Suspicious fans exposed the racket and police arrested a man in Nottingham.

起了疑心的愛好者揭發(fā)了這一勾當(dāng)，警察在諾丁漢逮捕了一名男子。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

More than one hundred police have ringed the area.這一地區(qū)已被上百名警察包圍。

Many police have put their lives on the line.許多警察都冒著生命的危險。

There are so many police out before the gala parade.在節(jié)日游行前許多警察在崗上。

Several police hurried out in their police car.幾個警察坐著警車匆忙地趕出去了。

▲police可用在其他名詞前作定語。

I noticed a police car shadowing us.我注意到一輛警車尾隨著我們。

Terrorists bombed several police stations.恐怖分子炸毀了幾所警察局。

a police car

警車

Police marksmen opened fire.

警察中的神槍手開了火。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》

The guerrillas raided banks and destroyed a police barracks and an electricitysubstation.

游擊隊突襲了銀行，摧毀了一處警察駐地和一個變電站。

《柯林斯高階英漢雙解學(xué)習(xí)詞典》