申请检验和签发乘客定额证书时,下列哪些技术资料是必须提交()
A、总布置图
B、各层甲板乘客布置图
C、稳性计算书
D、救生设备配备说明书
参考答案:A, B, C, D
It is no longer _________it was 20 years ago, ________it was so poorly equipped. [ ]
A. what; when
B. that; which
C. what; which
D. what; that
支配缝匠肌的神经是()
A.股神经
B.腓深神经
C.胫神经
D.腓浅神经
E.闭孔神经