Despite the fact that there are a lot of complaints about ________  CCTV’s annual Spring Festival Gala(Chunwan),most people think it was really ________ feast for our eyes this year.

A．/; a

B．the; the

C．the; /

D． /; /

下列离子能在pH为3的水溶液中大量共存的是

A．K⁺、SO₄^2—、OH^—

B．K⁺、Cu²⁺、NO₃^—

C．Cl^—、Na⁺、CO₃^2—

D．Ba²⁺、SO₄^2—、Na⁺