开放性骨折GustiloⅠ型的特点（）。 A.自内而外的开放骨折 B.肌肉轻微挫伤

若D1=a1，a2，a3，D2=(b1,b2,b3，则D1×D2集合中共有元组 【16】 个。

左心衰后又发生右心衰，出现

A．腹水消失
B．下肢水肿消失
C．颈静脉怒张减轻
D．肺淤血减轻
E．肺湿啰音增加

Several years ago, Simon Ma, CFA, founded an investment club with three friends. The investment club’s account grew rapidly to a substantial size, but the club has not actively traded the account for at least a year and does not plan to resume active trading of the account. Simon’s employer requires an annual disclosure of employee stock ownership. Simon discloses all of his personal trading accounts., but does not disclose his holdings in the investment club. Has Simon most likely violated any CFA Institute Standards of Professional Conduct（）

A. No 

B. Yes, with respect to fiduciary duty.

C. Yes, with respect to confilicts of interest.

隋代的《开皇律》的篇章体例主要渊源于（）

A．《北齐律》

B．《北魏律》

C．《晋律》

D．《新律》

（）不起渗水和汇水作用，而是把路基范围内的泉水或渗沟汇集的水排到路基范围以外，使其不致在土中扩散，危害路基。

A、暗沟

B、明沟