只用一种试剂就能将KCl、FeCl3、AlCl3三种溶液区分开,这种试剂是( )
A.HCl
B.NaOH
C.H2SO4
D.BaCl2
答案:B
She is very dear to us. We have been prepared to do _________ it takes to save her life.
A.whichever
B.however
C.whatever
D.whoever
保险人的赔偿或给付,以()的保险利益为限。
A.估计损失
B.实际损失
C.补偿损失
D.社会损失