泵的封闭运转会造成（）。
A、泵的出口压力过大
B、泵壳温度升高
C、泵的负荷增大
参考答案：B
Li Lei isn't ____ Liu Ming. [ ]
A. tall as
B. as taller as
C. as tall as
D. as the taller as
下列哪项不是慢性盘状红斑狼疮的病理表现
A．有时可见角质栓塞
B．基底膜不清晰
C．基底细胞发生液化变性
D．上皮基底膜区域有免疫球蛋白和补体沉积
E．黏膜固有层有密集的淋巴细胞浸润带
