Skilled computer criminals can break into a computer system______.
A. quite easily
B. without any risk
C. more easily than an armed robber can gain access to a bank vault and with far less risk
D. without being punished
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工程监理企业应根据( )的规定实施监理。
A. 有关工程建设的法律、法规
B. 委托监理合同
C. 国家批准的工程建设文件
D. 委托监理合同和有关建设工程合同
( )直接关系到建设工程的质量，是建设工程的决定性环节。
A. 设计质量
B. 施工质量
C. 监理质量
D. 建设质量
What is following is the cause that will make the Olympic Games suspect and no longer worth watching
A. The participation of cheaters
B. The untested EPO-use
C. Lack of new world records
D. Unannounced and out-of-competitive test
According to the second paragraph, it can be found by researchers that______.
A. Only educated people suffer from brain shrinkage
B. The more the brain shrinks, the more abnormal people's cognition and memory become
C. People might loss no mentality even with brain shrinkage
D. No brain-tissue loss will be induced by indulgence in alcohol
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