输油臂输油作业中,不得切断控制柜的电源,确保输油臂超过工作范围时能够及时报警。
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支气管肺炎抗生素的用药时间应持续至体温正常后_________;临床症状基本消失后__________。
单位投保团意险时,其投保人数必须占在职人员的()以上,且投保人数不低于()人。
A. 75%;8
B. 75%;5
C. 70%;10
D. 75%;10
患者,男,40岁,头痛、呕吐、近三天症状加重,检查视乳头水肿,下列情况最可能的是()
A. 脑震荡
B. 颅内压增高
C. 蛛网膜下隙出血
D. 颅内动脉瘤
E. 高血压性脑病
When navigating a vessel,you().
A. Can always rely on a buoy to be on station
B. Can always rely on a buoy to show proper light characteristics
C. Should assume a wreck buoy is directly over the wreck
D. Should never rely on a floating aid to maintain its exact positio