《素问·六节藏象论》所说的“封藏之本”,是指()
A.肺
B.脾
C.肾
D.肝
E.心
参考答案:C
It's time _____ lunch. [ ]
A. to
B. for
C. have
某船船长140m,首吃水7.11m,尾吃水7.13m,MTC=9.181³230kN²m/cm,xf=0,现将500t货物分装于中前39.188m及中后50.112m的舱内,问应在两舱分别装()t和()t使首尾吃水相等。
A.330,170
B.304,196
C.356,144
D.283,217