叶片式空气流量计属()。
A.有源
B.电阻
C.电感
D.电容
参考答案:B
An analyst gathered the following information about a company:Using the dividend discount model and the other data given, the company's stock is best described as a:()
A. growth stock.
B. cyclical stock.
C. speculative stock.
政府的作用必须通过一定的程序和途径,在形式上或者实质上把自己的主张,制度,规则和政策等上升为对普遍的()的诉求。