由于水能能使催化剂发生永久性中毒，因此在其它条件相同的情况下，原料中的水含量越低，催化剂的活性就越高。（）
参考答案：错
一 What did she say?
— She said _______. [ ]
A．that she is having a surprise party for Lana
B．that the earth moves around the sun
C．why did she want to do that
D．if she will go to her house
汇总记账凭证账务处理程序的主要特点是定期地将所有记账凭证汇总，编制汇总记账凭证，再根据汇总记账凭证登记总分类账。( )
