下列选项中，关于局域网交换机技术特征的描述不正确的是( )。 A．局域网交换机工作

信息传递已进入数字化时代，数字信号与模拟信号相比有许多优点，如 ______、______、______．

判断脊柱骨折脱位是否并发脊髓损伤，下列哪项检查最重要（）。

A.X线摄片

B.CT

C.MRI

D.神经系统检查

E.腰穿做奎肯试验及脑脊液生化检查

根据旬意及首字母提示补全单词。

1.I think in 100 years, people will study on computers, not on p___________.

2.People don't need to work at home. We can buy a r__________ to help with all the housework.

3.Be careful. I don't think everyone can do e_______ well this time.

4.Look at that new b         over there. We'll soon move into it.

5.F       people write with their left hand than with their right, do they?

通常把岩屑从井底返至地面所需要的时间叫做岩屑的（）时间。

A、上返

B、返出

C、到达

D、迟到

A CFA charterholder is asked to review her firm’s soft dollar practices. As part of the review, she notes that her firm has failed to disclose the practices to the firm’s clients in writing as required by law. She does not report the firm’s violation to the appropriate regulatory authority, has the charterholder violated any CFA Institute Standards of Professional Conduct（）

A. No.

B. Yes, because she failed to act in the best interest of her employer.

C. Yes, because she is required to report legal violations to the appropriate authority.