题目内容
（请给出正确答案）
What does the professor say about the invention of the elevator？
A．It created design problems for architects.
B．It was useful for transporting construction materials.
C．It enabled architects to design taller office buildings.
D．It made skyscrapers more expensive to build.
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（由简答题聘请的专业题库老师提供的解答）
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A、much well
B、much better
C、a little well
D、more better
TheyshouldleavethebuildingandoftheCustodians.
A、The police officer of the public relations office should promptly explain the reason to the media.
B、The police officers should be polite.
C、The police officers should not clash against the journalists.
D、The police should cover the camera lens of the journalists before refusing.
A、Disturbing the order of government departments.
B、Disturbing the order at stations, ports, wharves or airports.
C、Disrupting the order of elections conducted according to law.
D、Gang-fighting.
A、Conversation.
B、Community.
C、Openness.
D、Participation.
A、Federal Bureau of Investigation.
B、U.S. Coast Guard.
C、Bureau of Alcoho, Tobacco, Firearms and Explosives.
D、U.S. Secret Service.
A、Ensuring and promoting mutual assistance between all criminal police authorities.
B、Protecting people according to the Universal Declaration of Human Rights.
C、Establishing and developing all institutions likely to contribute effectively to the prevention and suppression of ordinary law crimes.
D、Undertaking some intervention activities of a political.
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