emos系统登陆口令应（）。A、定期更换 B、不定期更换 C、专人专用，不须进行更换

下列各数中是方程x²-5x-6=0的解是（　　）

A．-1

B．-2

C．-3

D．-6

男性，30岁，酒后驾车发生车祸，右上腹受伤致肝破裂。神志清楚，上腹部明显压痛，面色苍白，四肢湿冷，脉搏130次／分，血压10.7／8kPa（80／60mmHg），尿少，口渴，过度换气。

下列治疗原则中哪一项是正确的（）

A.立即手术处理肝破裂

B.先快速补液，待血压正常时手术

C.快速补液、输血，用止血药，不手术

D.先积极抗休克治疗，如病情无好转再手术

E.积极抗休克治疗，同时迅速手术

一个数由7个亿，7个万，7个一组成，这个数写作（    ）。

常见皮肤化学性灼伤的化学物质是（）。

A.氢氧化钠

B.氧化钙

C.焦油、沥青

D.苯酚

E.氯化锌

With respect to tangible fixed assets, SFAS 143 requires that the capitalized value of an asset:（）

A. be recorded on the balance sheet based on the market value at the time of acquisition less the cost associated with any ARO (asset retirement obligation).

B. should include the future value of any ARO which is also recorded as a liability at the time of acquisition.

C. should include the present value of any ARO which is also recorded as a liability at the time of acquisition.