Which of the following statements is true
A. Students were becoming more and more interested in business fields.
B. College freshmen were becoming more and more indifferent to politics.
C. Students were giving more and more support for handgun control.
D. Students were giving more and more support for legislation to out law homosexuality and marijuan
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He was so absorbed（）his work that he didn't notice me entering his mom.
A. at
B. on
C. for
D. in
目前世界上规模最大、用户最多的计算机网络Internet，下面关于Internet的叙述中： 1、Internet网由主干网、地区网和校园网(企业或部门网) 三级组成 2、WWW(World Wide Web) 是Internet上最广泛的应用之— 3、Internet使用TCP/IP协议把异构的计算机网络进行互连 4、Internet的数据传输速率最高可达10Mbps 其中正确的叙述是______。
A. 1和2
B. 3和4
C. 1，2和3
D. 1，2，3和4
常用数据备份方式包括完全备份、增量备份和差异备份，三种方式在数据回复速度方面由快到慢的顺序为（）
A. 完全备份、增量备份、差异备份
B. 完全备份、差异备份、增量备份
C. 增量备份、差异备份、完全备份
D. 差异备份、增量备份、完全备份
From the passage, we can infer that "big bang" means______.
A. the explosion happened billions of years ago, from a single point of nearly infinite energy destiny, which brought about the present universe
B. the restructuring of the securities industry which took place in London during the late 1980s
C. the financial system reform that will happen in Japan
D. a thorough reform in the system of economy or politics etc
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