由硫酸钾、硫酸铝和硫酸组成的混合溶液,其Ph=1,c(Al3+)=0.4 mol・L-1,c(SO)=0.8 mol・L-1,,则c(K+)为( ) A. 0.15 mol・L-1 B.0.2 mol・L-1 C. 0.3 mol・L-1 D.0.4 mol・L-1 答案:D_________ Mr. Rowan Atkinson acts as different comic characters , he is more famous around the world _______ Mr. Bean .A.Because ; forB.Though ; toC.Although ; asD.Even though ; by