外科治疗门静脉高压症的主要目的是A．预防肝癌的发生 B．改善肝

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问题单项选择题

外科治疗门静脉高压症的主要目的是

A．预防肝癌的发生

B．改善肝功能，防止肝功能衰竭的发生

C．切除功能亢进的脾脏，调节免疫功能

D．治疗顽固性腹水

E．防治食管胃底曲张静脉破裂所致的大出血

答案

参考答案：E

阅读理解

读短文，判断正(T)误(F)。

The summer is coming. The summer is hot. Li Ming's favourite season is summer. In summer, he usually

goes swimming. He puts on his shorts, T-shirt and sandals. Sometimes he goes for a walk with his parents and

he plays with his friends. He is very happy. He thinks the summer is so fun.

( ) 1. The summer is hot.

( ) 2. He doesn't like the summer.

( ) 3. Li Ming usually goes swimming.

( ) 4. He doesn't like to go for a walk.

( ) 5. Li Ming's favourite season is spring.

单项选择题

对于平流沉淀池，设计中设计日产水量为Q_d=100000m³/d，取水厂用水量占设计日用水量的百分比k=5%，沉淀池的个数，n=2个，则设计流量为（）m³/s。

A．0.507

B．0.608

C．0.852

D．0.688