在地面热补或冷补的橡套电缆()耐压试验,应为2倍额定电压加1kV,持续5min不被击穿为合格。
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If a weather bulletin shows the center of a low pressure system to be 100 miles due east of you,what winds can you expect in the Southern Hemisphere?().
A. South-southwesterly
B. North-northwesterly
C. South-southeasterly
D. North-northeasterly
女,31岁。近期腰痛,白带多。病理检查确诊为宫颈乳头型重度糜烂。应首选下列哪项处理()
A. 宫颈锥形切除
B. 硝酸银腐蚀法
C. 激光治疗
D. 干扰素栓外用
E. 全子宫切除
流动比率用于判断企业的偿债资格和能力。
A. 正确
B. 错误