患儿，女，10岁。主因右下颌肿痛2周，可摸到右下颌下区有活动性肿块，疼痛加重、高热2

线路电压为1～10kV的边导线外侧延伸距离应为（）m。

A.3

B.5

C.10

D.18

Bill Kimm, CFA owns an asset management firm with offices downtown. To minimize rent expenses, each year Bill ships the previous year’s research records to a nearby warehouse. There, the reports are digitized and stored in both electronic and hard-copy forms. After five years, all paper copies are destroyed and only electronic copies are retained. Are Bill’s record-retention procedures in compliance with the CFA Institute Standards of Practice()

A. Yes.

B. No, because he did not retain the copies in his offices.

C. No, because he failed to retain the original documents.

钢梁两端防爬角钢的水平肢应安装成相反方向，防爬角钢的长肢与木桥枕应用直径（）螺栓串联牢固，此处木桥枕可不安装钩螺栓。

A.18～20mm

B.20～22mm

C.22～24mm

D.24～26mm

下列各项不属于现金流量表中“现金”内容的是（）。

A.库存现金

B.银行存款

C.信用卡存款

D.企业2009年12月1日购入期限为6个月的企业债券

乡土树种