ANUG指的是()
A．急性坏死性溃疡性龈炎
B．青春期牙龈炎
C．急性坏死性溃疡性牙周炎
D．侵袭性牙周炎
E．妊娠期龈炎
参考答案：A
—My brother is unhealthy. He eats vegetables.
—You should tell him to eat more vegetables.
A．always
B．usually
C．often
D．hardly ever
与血的生成关系最密切的脏腑是（）
A.肝肾
B.肝脾
C.脾胃
D.肺肾
E.心肺
