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【单选题】
计算机启动后，由()管理计算机的所有资源。A.
机房管理员
B.
操作者本人
C.
应用程序
D.
操作系统
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Why will business transformation remain a buzzword of the moment?
A.
Because channel firms of all stripes continue to assess the direction of their companies in the age of cloud computing, mobility, managed services, big data, social median and other market and technology forces.
B.
Because each segment of this technology framework has contributed to economic growth and the well being of society.
C.
Because the magnificent advances in medicine, transportation, safety, manufacturing, agriculture, media and communication are almost difficult to comprehend.
D.
Because globalization, driven largely by technology, becomes ever more pervasive and influential with each passing year.
【简答题】 地球水源十分充足,海洋面积十分广阔,约有362,000,000平方公里的面积,占地球表面积的 %,含有五千多万立方千米的水,约占地球总水量的97%。