将钠、钾分别投入相同质量的稀H₂SO₄中，反应结束后，两种溶液的质量仍相等而金属均无剩余，则投入的钠、钾的质量比为（ ）

A．∶

B．∶

C．∶

D．∶

It is said that there is going to ______ in the CCTV news.       [ ]

A. have something important                

B. have important something      

C. be something important                  

D. be important something