血清钠离子浓度正常值为()

A．116～128mmol/L

B．126～138mmol/L

C．136～148mmol/L

D．146～158mmol/L

E．156～168mmol/L

All of us still remember the terrible earthquake that ________ Wenchuan several years ago.[ ]

A．attacked  

B．struck

C．knocked  

D．exploded