肾病综合征小儿常见并发症是（）
A.原发性腹膜炎
B.低钠血症
C.低钙血症
D.肾静脉血栓
E.感染
参考答案：A, B, C, D, E
解剖学的基准线不包括（）
A.垂直线
B.水平线
C.正中矢状线
D.听鼻线
E.冠状线
An anchor winch should be equipped with mechanical brakes capable of holding（）.
A.half the breaking strength of the mooring line
B.the full breaking strength of the mooring line
C.the maximum expected tension of the mooring line
D.50% over the working tension of the mooring line
