[单项选择]What's the policeman's biggest headache
A. He has to justify his arrests while unable to provide sufficient evidence in most cases.
B. He has to provide the best possible public service at the least possible expense.
C. He has to get the most desirable results without breaking the law in any way.
D. He can hardly find enough time to learn criminal law while burdened with numerous criminal cases.

[单项选择]What's the policeman's biggest headache
A. He has to get the most desirable results without breaking the law in any way.
B. He has to justify his arrests while unable to provide sufficient evidence in most cases.
C. He can hardly find enough time to learn criminal law while burdened with numerous criminal cases.
D. He has to provide the best possible public service at the least possible expense.

[单项选择]What's the biggest difference between the first and second green revolution in America

[单项选择]What's the biggest fear of older parents according to New York psychologist Joan Galst
A. Approaching of death.
B. Being laughed at by other people.
C. Slowing down of their pace of life.
D. Being mistaken for grandparents.

[单项选择]What is Mr. Toledo's biggest advantage in this year's campaign

[单项选择]The American policeman asked an English reporter some questions because he was strange.

[单项选择]What has been the biggest sticking point throughout the negotiations


A. The issue of oil
B. The issue of federalism
C. The issue of trade
D. The issue of army

[单项选择]Despite all the policeman's questions the lady continued to ______ that she was innocent.
A. affirm
B. ascertain
C. confirm
D. certify

[单项选择]The striped band round the policeman's sleeve is to _________ that he is on duty.
A. magnify
B. proclaim
C. signify
D. exclaim

[单项选择]What s the writer' s view about Madonna
A. She is an untalented singer.
B. She is already out - dated.
C. She is a symbol of rebellion in the music world.
D. She is equally popular among children and adults.

[单项选择]

What is the ’biggest city in the world That is, (21) city has the largest population This seems like (22) question to answer, but actually it isn’t.
It’s actually rather difficult to say which cities (23) the largest. There are two reasons for this difficulty. First of all, it isn’t easy to determine a city’s boundaries, that is, where a city ends. Nowadays, nearly all cities have a large (24) area around them. So when we talk about the population of a city, we often mean the population of the whole metropolitan area around the city. That means that it’s difficult to determine what the population of a city is because it’s difficult to define what a city is.
The second reason that it is difficult to (25) the population of different cities is this: it is almost impossible to get (26) about the population of all cities for the same year. For example, we might get an estimate of New Yo
A. estimated
B. count
C. calculate
D. estimate