下列哪项病症易与心肾不交相关 （）
A.经行发热
B.产后发热
C.脏躁
D.经行情志异常
E.妊娠心烦
参考答案：C
He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise for it. [ ]
A. that, that
B. what, that
C. that, which
D. which, what
某轮破舱进水，破洞面积为0.2m2，破洞中心在水线下3m，如舱内浸水已达破口中心以上2m时，则进水量为（）m3/s（流量系数取0.6）。
A.0.27；
B.0.53；
C.0.92；
D.0.75。
