A：what was it
B：why it was thi
C：how that wa
D：what it was that
H2S是一种无色、有毒的可燃性气体，其水溶液叫氢硫酸（二元弱酸）．
-- English is widely used all over the country.
-- Yeah, it is such ______ useful language that my grandma decided to buy ______ English-Chinese dictionary to learn it.
我国教育储蓄对象为在校小学四年级及四年级以上学生,存期为一年、三年、六年3种,最低起存金额为50元,本金合计最高限额为2万元。储户每月固定金额存入一次。年利率高于普通零存整取的利率,并免征利息所得税。开办这项业务对商业银行本身来说,能够( )
