构成喉咽部的粘膜是()。
A.单层柱状上皮
B.单层立方上皮
C.复层柱状上皮
D.复层扁平上皮
E.假复层纤毛柱状上皮
参考答案:D
An investor buys 200 shares of ABC at the market price of $100 on full margin. The initial margin requirement is 40 percent and the maintenance margin requirement is 25 percent. If the shares of stock later sold for $ 200 per share, what is the rate of return on the margin transaction()
A. 250%.
B. 100%.
C. 200%.
患者外感风寒,恶寒发热,无汗,腹痛,吐泻,舌苔白腻。治疗宜选用:()。
A.麻黄
B.桂枝
C.香薷
D.防风
E.白芷