作用持续时间最长的局麻药为()
A.普鲁卡因酰胺
B.地布卡因
C.卡波卡因
D.丁吡卡因
E.丙胺卡因
参考答案:D
—I thought he hated TV.
—You are right, ______. he still watches the program.
A.besides
B.also
C.then
D.yet
邮资机符志应标有邮政铭记及(),一般与日戳组合直接加盖在邮件上,相当于已贴邮票。