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问题 多项选择题

单纯型肾病实验室检查所见应为（）

A.尿中红细胞>15个高倍视野

B.多数系选择性蛋白尿

C.尿沉渣中有较多颗粒管型

D.尿中有少数透明管型

E.血清补体下降

答案

参考答案：B, D

填空题

已知圆锥的底面直径为4，母线长为6，则它的侧面展开图的圆心角为（    ）。
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单项选择题

The major problem with E-mail is that it is (71) easy to use that people can become (72) with messages (73) they can possibly answer in a day. In addition, mail boxes require some management to (74) messages or archive those that might be required later. Senders don’t always know about your E-mail backlog and often send (75) messages.

A．too

B．so

C．very

D．much
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