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问题 单项选择题

男性，65岁。测血压常为180／120mmHg，同时发现血糖为8．7mmol／L，血胆固醇为7．2mmol／L，下列何种降压药物首选

A．阿替洛尔

B．卡托普利

C．哌唑嗪

D．甲基多巴

E．硝苯地平缓释片

答案

参考答案：B

单项选择题

IP multicasting is a set of technologies that enable efficient delivery of data to many locations on a network. Rather than making multiple copies of a message intended to be distributed to multiple recipients at the (71) of origin of a message, multicasting initially sends just one (72) and does not copy it to the individual recipients until it reaches the closest common point on the network, thereby (73) the bandwidth consumed. Network performance is significantly (74) because it isn’t bogged down with the processing and transmission of several large data fries; each receiving computer doesn’t have to (75) the transmitting server for the file.

A．point

B．bottom

C．head

D．sight
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多项选择题

关于担架旅客的处理，正确的是（）.

A、担架旅客必须在定座时提出申请，只要有座位就可定座

B、一般安排担架旅客先上飞机

C、办理乘机手续时，必须验收旅客的“诊断证明书”和“特殊旅客乘机申请书”

D、航班起飞后，向有关航站拍发PFS报
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