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问题 单项选择题 A1/A2型题

对HIV感染确诊最及时的检测方法是（）

A.HIV抗体检测

B.HIV抗体Westernblot检测

C.HIV病毒核酸检测

D.HIV病毒载量检测

E.临床诊断

答案

参考答案：C

选择题

—There is a smile on Miss Gao's face. She must be _______ with Sam's work.

—I think so. No one did as _______ as him in our class. [ ]

A. angry: well

B. pleasing; good

C. strict, good

D. pleased; well

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多项选择题

（）网络型数字视频安防监控系统接入层交换交换机技术指标满足全线束、全双工其端口带宽：

A、全千兆

B、接入百兆，上行千兆

C、全百兆
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