单项选择题

预应力混凝土施工采用先张法或后张法，其适用范围分别是： A．先张法宜用于工厂预制构件，后张法宜用于现浇构件 B．先张法宜用于工厂预制的中、小型构件，后张法宜用于大型构件及现浇构件 C．先张法宜用于中、小型构件，后张法宜用于大型构件 D．先张法宜用于通用构件和标准构件，后张法宜用于非标准构件

A.先张法宜用于工厂预制构件，后张法宜用于现浇构件
B.先张法宜用于工厂预制的中、小型构件，后张法宜用于大型构件及现浇构件
C.先张法宜用于中、小型构件，后张法宜用于大型构件
D.先张法宜用于通用构件和标准构件，后张法宜用于非标准构件

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单项选择题

【案例分析题】
TradingHouse.com
Three Stocks to Watch
By Dallas Simon
Any traders interested in expanding their portfolio should watch how these three stocks perform.in the market this week.
Last Thursday，Reese Systems （RES）announced plans to buy Quentice Software Group for $220million.If the deal is approved，it should add $0.05earnings per share to Reese Systems’stock by Friday.
Michigan St.John （MSJ）will announce its quarterly earnings Wednesday morning.Analysts expect the securities company to be at $1.67earnings per share.
Brilliance，Inc.（BLI）matched its earnings on Monday afternoon with $0.25earnings per share.
What did Reese Systems announce the previous Thursday?（）

A．Its quarterly earnings
B．That its CEO would resign
C．That it will buy another company
D．Its projected profits for the following month

单项选择题

自然光以布儒斯特角由空气入射到一玻璃表面上，则下列关于反射光的叙述，哪个是正确的? A．在入射面内振动的完全偏振光 B．平行于入射面的振动占优势的部分偏振光 C．垂直于入射面振动的完全偏振光 D．垂直于入射面的振动占优势的部分偏振光

A.在入射面内振动的完全偏振光
B.平行于入射面的振动占优势的部分偏振光
C.垂直于入射面振动的完全偏振光
D.垂直于入射面的振动占优势的部分偏振光