杜仲的主治病证是()。
A.妊娠恶阻,胎动不安证
B.妊娠胎漏下血,胎动欲坠
C.妊娠胎热,胎动不安证
D.妊娠肝肾亏虚,胎动不安证
E.妊娠脾虚气弱,胎动不安证
参考答案:D
– Amazing! You _____ have won the first prize in the national English speech contest!
– I’m lucky that all my efforts have finally paid off.
A.must
B.may
C.can
D.should
国家标准《危险货物分类和品名编号》及《危险货物品名表》,根据运输的危险性将危险货物分为()类。
A、7
B、8
C、9