佝偻病（）
A．下部量过短
B．前囟凹陷
C．前囟饱满
D．前囟迟闭或过大
E．前囟早闭或过小
参考答案：D
Before GMDSS, if the radio officer on board is serious ill,（）.
A.someone else will take his place
B.the captain will take charge of his work
C.nobody will be capable of doing his work
D.anyone else will use the radio equipment
有关正常成人肾脏，描述正确的是（）
A.左肾体积较右肾略大，右肾位置较左肾低
B.左肾体积较右肾略大，右肾位置较左肾高
C.右肾体积较左肾略大，右肾位置较左肾高
D.右肾体积较左肾略大，右肾位置较左肾低
E.右肾体积与左肾等大，右肾位置较左肾高
