The new school is _____ our previous one. [ ]

A. as three times big as         

B. three times so big as            

C. three times the size of               

D. three times as bigger as

关于以下毒性弥漫性甲状腺肿合并周期性麻痹的描写哪项正确

A．大量出汗，钾离子从皮肤丢失

B．大量钾离子从肠道排出

C．大量钾离子从尿中排出

D．血中钾离子向细胞内转移

E．甲亢高代谢，而钾的摄入不足