完全混合式曝气池它是由（）四部分组成。A、曝气区、导流区、沉淀区、回流区 B、曝气区、

阅读短文，判断下列句子是否符合短文内容，符合的写"T"，不符合的写"F"。

     Jim lives in a city with his wife. He is a car designer (汽车设计师). He works in 8 car company.

It is not far from his home, so he goes to work on foot every day. His wife is a worker, and she works

in a factory. It's far from her home, so she goes to work by car. When she drives the car, she is very

careful. When the light is red, she stops. When the light is yellow, she waits. She won't go until the light

is green. She always says that we must obey the traffic rules.

( )1. Jim and his wife live in a city.

(     )2. Jim and his wife are workers.

(     )3. Jim goes to work by car.

(     )4. Jim's wife goes to work by car.

(     )5. We must obey the traffic rules.

恶性高血压与急进型高血压的区别要点是（）。

A．眼底有无视 * * 水肿

B．舒张压的高低程度

C．有无肾功能不全

D．有无心功能不全

E．有无脑功能障碍

黄埔军校与一切旧式军校根本不同的地方是特别注重[ ]

A、军事训练

B、培养学生的爱国思想和革命精神

C、培养学生独立作战能力

D、政治教育

总体中的每个个体都有均等地被抽到的机会，用正确的术语描述以上抽样步骤是()

A．系统抽样 

B．配对抽样 

C．整群抽样 

D．分层抽样 

E．单纯随机抽样 

以下关于共同海损陈述错误的是：

A．共同海损是海商法特有的一项制度

B．最早见于《罗得海法》

C．法律设定船主和货主是自然合伙关系，双方对海损共同承担责任

D．直到近现代，才出现了这一制度