I can convince you that he's even more h

获得性LQTS的诱因不包括（）

A.严重心动过缓性心律失常

B.低钾血症

C.低镁血症

D.低钙血症

E.口服美西律

葡萄霜霉病叶背白色的霜霉状物是（）。

A.孢囊梗和孢子囊

B.分生孢子梗和分生孢子

C.子囊和子囊孢子

D.担孢子和冬孢子

其他酚及酚醇的卤化等衍生物

隧道光面爆破的技术措施有哪些？

In case Customs duties are short--levied or not levied on import or export, the Customs may, within ______ after the date of payment of Customs duties or the date of relesse of the goods, recover the amount of Customs duties short-levied or not levied.

A．six months
B．one year
C．two years
D．four years