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问题 单项选择题

当控制阀的开口一定，阀的进、出口压力差Δp<（3～5）ⅹ105Pa时，随着压力差Δp变小，通过节流阀的流量减少；通过调速阀的流量（）。

A、增加

B、减少

C、基本不变

D、无法判断

答案

参考答案：B

阅读理解

I have some boxes. One is small . It’s blue . One is full（满的）of books .It’s red. The third is new. There is nothing in it . There are some old bottles in a big blue box. Today, I want to put the red box in the car, but I can’t carry it. My mother helps me. And she can put the box in the car.

小题1:I have _____boxes.

A．one

B．two

C．three

D．four小题2:I want to put the____ box in the car.

A．blue

B．small

C．new

D．full小题3:The____box is empty.

A．red

B．small

C．new

D．blue小题4:The red box is ____,so I can’t carry it.

A．heavy

B．light

C．old

D．small小题5:_____helps me put the red box in the car.

A．Father

B．Mother

C． Nobody

D． My friend
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多项选择题 共用题干题

患者，女性，20岁，56kg。从五楼坠下，致右肱骨干、右股骨干、右小腿骨折，多处软组织挫伤。患者躁动不安，查BP50/30mmHg，HR135次/分，Hb88g/L，Hct26%。经输平衡液500ml、羟乙基淀粉500ml后，送手术室。准备行骨折切开复位术、内固定术。

对于上述肺氧合障碍的处理，哪些不合适（）。

A.输注抗生素

B.应用激素

C.应用利尿剂

D.带管送ICU，呼吸机治疗

E.拔除气管内插管，回病房

F.应用呼吸兴奋剂
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