下列哪些疾病可以是登革热的并发症()
A.急性血管内溶血
B.精神异常
C.心、肝、肾损害
D.急性脊髓炎
E.格林-巴利综合征和眼部病变
参考答案:A, B, C, D, E
After he became conscious ,he remembered and on the head with a rod. [ ]
A.to attack:hit
B.to be attacked; be hit
C.attacking;be hit
D.having been attacked; hit
集散系统的接地中,所有箱柜及供电装置的机壳都要安全接地,以防止电气设备一旦漏电危及人体,接地电阻( )。
A.不大于5Ω
B.不小于5Ω
C.不大于10Ω
D.不小于10Ω