参与人体的羟化和还原过程,能防治坏血病的维生素是()
A.维生素A
B.维生素B
C.维生素C
D.维生素D
E.维生素E
参考答案:C
选择括号内恰当的单词填入空白处, 使句意完整、正确。
小题1:—How long can I ( return / keep ) the book? —Two weeks.
小题2:It will be snowy tomorrow. The radio says it will be very ( hot / cold ).
小题3:—His grandfather ( took away / passed away ) last night. —I’m sorry to hear that.
小题4:It costs ( too much / much too ) to deal with the waste.
小题5:He used to ( play / playing ) soccer, but now he hates it.
客户在网点购买凭证式国债后申请出单,该交易由普通柜员操作,需()授权。
A.综合柜员
B.无需授权
C.支行长