以下属于运动员禁忌的药物是A．阿司匹林 B．苯丙醇胺 C．塞来昔布 D．萘普生 E．

CA6T150变速器中输出轴是（）.

A、第一轴

B、第二轴

C、中间轴

D、倒档轴

空气罐预消，一般在30min以上，然后关闭（）排除罐内残余的（）

A、进汽，空气

B、出料口，空气

C、进汽，积水

D、出料口，积水

肝硬化患者最严重的并发症是（）

A.低钠血症

B.肺部感染

C.肝肾综合征

D.自发性腹膜炎

E.肝性脑病

An individual sees her income rise from $ 80000 to $ 88000, and along with it, her consumption of macaroni has decreased from eight dozen packages per year to six dozen packages per year. Which of the following is closest to the income elasticity of her demand for macaroni, and should macaroni be classified as a normal good or an inferior goodIncome elasticityType of good（） ①A. -3.0 Inferior ②B. -3.0 Normal ③C. -0.33 Inferior

A. ①

B. ②

C. ③

配制抗肿瘤药物时操作者应如何进行防护？