归脾汤与天王补心丹均具有的作用是()
A.补肺
B.养肝
C.滋肾
D.养心
E.健脾
参考答案:D
(6分)“物质的组成和结构决定物质性质,物质的性质决定了物质的用途”。请分析:
(1)金刚石很硬,而石墨却很软。原因是
。
(2)氢氧化钠和氢氧化钡溶液都能使无色酚酞试液变红。原因是
(3)CO具有可燃性,可以做燃料;CO具有还原性,可以用来 。
(答一点即可)
Which of the following is/are possible causes for inefficiencies in the distressed securities market Ⅰ. They do not require much due diligence Ⅱ. Emotional reactions of selling investors Ⅲ. Investment restrictions of certain institutional investors()
A. Ⅰ and Ⅱ only.
B. Ⅱ and Ⅲ only.
C. Ⅰ and Ⅲ only.