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潜水泵可以应用在各种场合，能适应不同环境。它与通常的水泵比较，具有哪些特点和优点？

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You are the network administrator for your company. The network contains a Windows Server 2003 Web server named WebServer1. WebServer1 is connected to the Internet by means of a dedicated link. You are responsible for monitoring the bandwidth utilization of WebServer1. You run a System Monitor log on WebServer1， which monitors the Bytes Total/sec counter on the Network Interface object. The sample rate for the counter is set to 15 seconds. The log is archived once each day.The size of the System Monitor log is becoming too large for the available disk space. You need to reconfigure the System Monitor log settings to reduce the amount of data that is captured. What should you do？（）

A. Retain the current counter， but set the sample rate to 5 seconds.
B. Retain the current counter， but set the sample rate to 60 seconds.
Change the counter to Total Bytes， and set the sample rate to 15 seconds.
D. Change the counter to Current Bandwidth， and set the sample rate to 60 seconds.

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违反《药品管理法》的规定，擅自进行临床试验的，对承担药物临床试验的机构，依照《药品管理法》（）的规定给予处罚。

A. 非临床安全性评价研究机构未按照规定实施药物非临床试验质量管理规范的
B. 药物临床试验机构未按照规定实施药物临床试验质量管理规范的
C. 生产、销售假药
D. 生产、销售劣药情节严重

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FMC是指将两个通信网络溶合，它是指（）。

A. 固网与移动网
B. 接入网和核心网
C. PDH传输网与SDH传输网
D. 光纤网与铜线网

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广州市建成区绿地构成统计中，占31%的是（）。

A. 单位附属
B. 公共绿地
C. 风景林地
D. 防护绿地

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