If you want to advance yourself in your studies, you will first have to ________ yourself of those s

题干

If you want to advance yourself in your studies, you will first have to ________ yourself of those shortcomings that can become barriers to progress.

A：remove

B：react

C：rid

D：reduce

上一题下一题 0.0难度选择题更新时间:2014-06-05 08:50:28

C

序号	实验事实	结论
A	SO₃的水溶液可以导电	SO₃是电解质
B	向某溶液中加入BaCl₂溶液和稀HNO₃，若有白色沉淀生成	原溶液中含SO₄²^﹣
C	Ca（ClO）₂溶液中通入CO₂产生白色沉淀	酸性：H₂CO₃＞HClO
D	用铂丝蘸取某溶液在酒精灯火焰上灼烧直接观察火焰颜色，未见紫色	原溶液中不含K⁺