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问题 单项选择题

在原子吸收光谱分析中，当组分较复杂且被测组分含量较低时，为了简便准确地进行分析，最适用的分析方法是（）

A.工作曲线法

B.内标法

C.标准加入法

D.间接测定法

E.直接测定法

答案

参考答案：C

多项选择题

在FLASHMX中，对调色板中的颜色可以进行怎样的处理（）

A、复制调色板单个颜色

B、删除单个颜色

C、清除调色板中的颜色

D、删除调色板所有颜色
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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．loop

B．find

C．search

D．query
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