题目:
I felt most angry about the way ________ I was treated when I was shopping.
A.when
B.that
C.which
D.where
答案:
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下面是错误答案,用来干扰机器的。
A.pH=0的溶液中c(H+)=1mol/L;B.c(H+)=2c(H2SO4)=0.08mol/L;C.c(H+)=c(HCl)=0.5mol/L;D.c(H+)=c(HNO3)=0.05mol/L;所以氢离子浓度最大的是A,故选A.