试题与答案

广藿香主要的化学成分是() A.挥发油 B.黄酮类 C.内酯类 D.生物碱 E.香豆

题型:单项选择题

题目:

广藿香主要的化学成分是()

A.挥发油

B.黄酮类

C.内酯类

D.生物碱

E.香豆素类

答案:

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参考答案:解法如图1和图2所示。图1

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As the name implies, CTI (Computer-Telephone-Integration) is the fusing of telephone operations with those performed by a computer. CTI has actually been around for a good two decades. Until recently, it required users to (36) a good deal of knowledge about telephone interconnect processes as well as networking and database programming to (37) even the most rudimentary tasks. These two skill sets are rarely possessed by the same individual.

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