异丙肾上腺素的作用是A．收缩血管、舒张支气管、增加组织耗氧量 B．收缩血管、舒张支气

Traditional Internet access methods like dial-up were so slow that host computers were connected to the dial-up （71） at the customer premise over slow （72） ports.PPP was designed to run directly over these serial links. But with the advent of broadband Internet（73） technologies such as ADSL and cable modems there has been a considerable increase in the bandwidth delivered to the end users. This means that the host computers at the customer premise connect to the （74） or cable "modem" over a much faster medium such as Ethernet. It also means that multiple （75） can connect to the Internet through the sameconnection.

A．FDDI

B．HDSL

C．ADSL

D．CDMA

读印度气候图分析回答问题：

（1）图甲为印度旱季，每年      月至         月，盛行风向为     风;

（2）图乙为印度雨季，每年      月至         月，盛行风向为     风。

观察二次谐波的调制边带，扫频仪的扫频宽度应大于（）倍fm（fm为调制信号频率）。

A、4

B、6

C、2

D、1

Word创建表格的基本方法有哪些？

以下争议可以申请行政复议的是（）

A、认为行政机关侵犯合法经营自主权的

B、申请行政机关履行保护人身权利，行政机关没有履行的

C、对具体行政行为所依据的部分规定合法性产生争议的

D、不服行政机关对民事纠纷作出的调解