股票型基金的平均表现不如大盘指数的原因在于 ( )
A.承担风险过多
B.投资组合换手过度
C.现金余额不足
D.投资分散不足
参考答案:B
I’m not sure whether I will have anything else to do tomorrow.________,I will try every possible means to come to the party.
A.Even though
B.Anyhow
C.If so
D.Instead
澄清的石灰水中,溶质是______,溶剂是______.向石灰水中通入一定量的CO2后,静置一会儿就有______(填化学式)沉淀下来,这时滴加稀盐酸,待沉淀恰好完全消失,剩余溶液中______是溶质,______是溶剂.