非水碱量法测定Kb<10-10的极弱碱时,为增加其碱性应将其溶解在
A.金属指示剂B.吸附指示剂C.酸碱指示剂D.自身指示终点法E.永停指示终点法
参考答案:B
——You don’t go to that supermarket quite often, do you?
—— No, I only go there ______ because it’s too far away from my house.
A.eventually
B.constantly
C.occasionally
D.frequently
在证券投资中,收益和风险形影相随,收益以风险为代价,风险用收益来补偿。()