一位体检者的身高为177厘米,体重为170斤,他的体重指数计算方法为()
A. (85)2/177
B. 85/1.77
C. 85/(1.77)2
D. 85/(177)2
查看答案
If your radiotelephone fails while underway,().
A. you must visually signal oncoming vessels
B. you must immediately tie up in the nearest port until the radiotelephone is repaired
C. you must anchor until the radiotelephone is repaired
D. the loss of the radiotelephone must be considered in navigating the vessel
泵机设备正常运转率为(),并一个月考核一次。
A. 80%
B. 100%
C. 75%
D. 95%
就业补贴的补贴时限,最长不超过三年。
A. 正确
B. 错误