The maximum number of passengers a T-Boat may carry().
A. is stated on the vessel's Certificate of Inspection
B. is the number authorized in the Navigation Rules
C. depends on the number of lifejackets you carry
D. is the number authorized by your license
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用电动吸引器洗胃时,洗胃液一次流入胃内_________,吸引器负压保持在_________。
文献流通率指用于公开借阅的书库和阅览室的文献被用户借阅的数量所占的()
A. 百分比
B. 百分数
C. 百分率
D. 百分点
糖化血红蛋白与患者过去一段时间的血糖浓度有密切关系,这段时间是多长()
A. 24小时
B. 3天
C. 1周
D. 4周
E. 8周