企业实际的检验活动可分为三种类型，即进货检验、工序检验和完工检验。( )

最早将《四书》和《五经》作为教学的基本教材和科举考试的依据的是下列哪个朝代( )

A．明代
B．汉代
C．宋代
D．元代

男性，56岁。肝炎后肝硬化病史9年，5小时前无明显诱因突然出现呕吐新鲜血，并排柏油样便，共约1500ml。半小时前出现意识障碍，躁动不安，尿少。查体：BP98/50mmHg，P110次/分，血常规HGB60g/L，血清白蛋白28g/L，血氨135mmol/L，血钾5.3mmol/L，血钠126mmol/L，血氯98mmol/L。

关于止血治疗错误的是（）。

A.应用生长抑素

B.急诊内镜对曲张静脉套扎

C.急诊内镜对曲张静脉注射硬化剂

D.急诊手术

E.应用质子泵抑制剂

是一系列不同粘度的低分子量聚二甲氧基硅氧烷的总称（）

A.普流罗尼

B.硅橡胶

C.压敏胶

D.硅油

Automotive accidents are one of the leading causes of death in children. Child safety advocates argue that harsh penalties should be imposed on drivers who fail to place children under 30 pounds in rear-facing children’s seats in the rear of the car whenever a car is in motion. Such penalties, they argue, will help save children’s lives.All of the following statements support the argument of the child safety advocates EXCEPT:（）

A. The rear seats of a car are safer for all passengers, both adults and children, in the event of an accident.

B. Studies have shown that children in rear-facing seats have been shown to sustain less serious injuries in accidents than children in front-facing seats.

C. Studies have shown that children under 30 pounds can sustain serious injuries in even minor accidents if they are not properly restrained.

D. Studies have shown that children between 60 and 90 pounds are safest in a car when using both a seat belt and a properly sized booster seat.

E. Some drivers will not abide by regulations unless they are forced to do so by the threat of harsh penalties.

泵的气蚀现象又称为空蚀现象或空泡现象，它是水力机械或某些与（）有关的机器中特有的现象。

A.气体晶体

B.液体

C.固体

D.晶体