哪个牙具有近中面沟
A.中切牙B.上颌尖牙C.第三磨牙D.上颌第一磨牙E.上颌第一前磨牙
参考答案:E
连词成句。
1. you who are (?)
2. many how are tree under apples there the (?)
3. her is doctor father a (.)
4. at come and pictures my look (.)
5. a he baseball is player (.)
上交所交易系统接到投资者发出的证券锁定指令后,优先锁定()的标的证券份额
A.T-1日买入
B.持仓时间最长
C.持仓时间最短
D.当日买入