人的听阈（听觉范围）大约是（ ） A．（20-2000）Hz B．（20-200

阅读短文，根据首字母填空。

      One day, John s__________ to his mother. " I am going to p__________ in the snow." " Okay." said his

mother. " P__________ on your jacket, boots and mitts." " Don't f__________ your hat! " said h__________

mother. John put on his hat. He played in the s__________. He m__________ a big snowman. He loved

h__________ snowman. He played w__________ the snowman. He h__________ a good time.

一般情况下，成年人脑脊液白细胞分类计数中，何种细胞所占的百分比最大（）

A.中性粒细胞

B.单核细胞

C.淋巴细胞

D.蛛网膜细胞

E.脉络膜细胞

行政给付在我国主要有下列哪些形式( )

A．救灾扶贫

B．抚恤、优待

C．补助

D．安置

变压器漏油致使油面下降，应立即停用该变压器。

适当配泻下药

A．里热兼表证
B．气分热兼血分热者
C．里热兼阴虚者
D．里热积滞者
E．兼脾胃虚弱者