保险上的风险是指某种事件损失发生的______。 A．可能性 B．不确定性 C．结

每套学生装用布2.2米，现有布60米，可以做多少套这样的服装？（结合实际取近似值）

某患者因急性阑尾炎穿孔手术，切除术后6天，腹部胀痛不适，呈持续性，伴恶心、呕吐，未排便、排气。查体：全腹膨胀，肠鸣音消失。腹部X线平片：小肠及结肠均有多量充气及液气平面。进一步应采取（）

A.全胃肠钡餐透视

B.剖腹探查

C.胃肠减压支持疗法

D.腹腔穿刺，灌洗

E.以上均不合适

健脾丸的功用是（）

A.健脾和胃，消食止泻

B.健脾消痞

C.消痞除满，健脾和胃

D.消食和胃

E.分消酒湿，理气健脾

串是一种特殊的线性表，其特殊性体现在 (36) 。

A．可以顺序存储

B．数据元素是一个字符

C．可以链接存储

D．数据元素可以是多个字符

Shigeo Kishiro recently purchased an American put option and Lendon Grey recently wrote an American call option on the same underlying stock, Tackel Sports (currently trading at $40 per share). Kishiro paid $2.75 for an exercise price of $38.00 and Grey received $3.75 for a strike price of $42. Assume that there are no transaction costs to exercise. At a stock price of $43:()

A. if Grey exercises, he will have gained a total of $4.75. 

B. the intrinsic put value is $0 and the put is at-the-money. 

C. the intrinsic call value is $1.