洋务派法律思想的根本在于( )
A. 战国时期法家的法律思想
B. 西方资产阶级的法治原则
C. 魏晋时期的玄学思想
D. 中国传统的纲常名教
设有关系R＝(A，B，C)。与SQL语句SELECT DISTINCT A FROM R WHERE B＝17等价的关系代数表达式是( )。
A. ЛA(
B. ЛB=17(
C. ЛA(σB=17()
D. σB=17(ЛA()
The best title for this passage may be
A Construction Company under Fire.
B. Fears Haunted in the World.
C. A Debate on Building Upwards.
D. Skyscrapers on the Boom.
It can be inferred from Paragraph 5 that in Japan skyscrapers
A. are already under construction.
B. prove to be quake-resistant.
C. are absolutely prohibited.
D. turn out be energy-efficient.
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