蛔虫的成虫主要寄生在（） A.升结肠 B.空肠与回肠上段 C.回肠下段 D.十二指肠

属母病及子的是（）

A．肝病影响心

B．肝病影响肾

C．肝病影响肺

D．肝病影响脾

E．脾病影响肝

下列各项，属子满主症的是（）

A.两脚浮肿，按之凹陷，小便短少

B.两脚肿胀，随按随起，小便如常

C.自膝至脚肿，皮色不变，小便如常

D.腹大异常，通身浮肿，小便短少

E.头面遍身浮肿，皮薄而光亮，小便短少

Cans of tennis balls were purchased for the tournament at a cost of $1. 90 per can. Only

of the cans were used for the tournament, so the 24 unused cans were returned for a refund. What was the cost of the cans of tennis balls used for the tournament

脑出血的外科治疗，应根据（）、（）、（）及年龄、意识状态、全身情况决定。