近代以来中国先进分子的共同理想是()。
A.民族独立
B.国家独立
C.人民自由
D.振兴中华
参考答案:D
哌替啶的不良反应包括
A.惊厥
B.抑制呼吸
C.颅压升高
D.心动过速
E.血压升高
The presence of which of the following is mostly likely to result in the overproduction of the efficient quantity of goods of services in a market economy()
A. Perfect competition.
B. Taxes on sales.
C. Monopoly.