下列可导致牙龈增生的药物不包括()
A.环孢素A
B.苯妥英钠
C.硝苯地平(心痛定)
D.维拉帕米
E.硝酸异山梨醇酯(消心痛)
参考答案:E
下列真菌用于酿造啤酒的是 [ ]
A.酵母菌
B.酵母菌和霉菌
C.曲霉
D.曲霉和青霉
When anchoring,it is a common rule of thumb to use a length of chain().
A.five to seven times the depth of water
B.seven to ten times the depth of water
C.twice the depth of water
D.twice the depth of water plus the range of tide