题干
----Jim has passed the driving test.
---- ________,and _________.
---- ________,and _________.
A：So he has; so have I
B：So did he; so did I
C：So he had; so I did
D：So had he; so I did
答案(点此获取答案解析）
A
通入一定量的氯气，再向反应后的溶液中滴加KSCN溶液，结果溶液变为红色，则下列叙述正确的是( )
能确定通入氯气后的溶液中
白色沉淀，说明原溶液中的I－、F