牙本质发育不全的遗传方式为()
A.常染色体显性遗传
B.常染色体隐性遗传
C.X连锁
D.Y连锁
E.性染色体显性遗传
参考答案:A
客户修改借记卡密码,应持()一同交给银行经办员办理有关手续。
A、有效身份证件和借记卡
B、有效身份证
C、借记卡
D、以上选项都正确
Uncle Mike _______ to bed ______ he finished his work last night.
A.not went; before
B.didn’t go; after
C.doesn’t go; until
D.didn’t go; until