将以下4个标有相同电压但功率不同的灯泡，串联起来接在电路中，最亮的应该是（）。
A.15W
B.60W
C.40W
D.25W
参考答案：A
---- I' m surprised to hear that Sue and Paul have __ .
----So am I. They seemed very happy together when I last saw them.
A. broken up B. finished up C. divided up D closed up
根据我国税法规定，寿险业务和长期健康保险业务可以税前扣除保险保障基金。（）
A．对
B．不对
