未经国家烟草专卖局批准的卷烟、雪茄烟（）规格一律不准生产。
A、商标
B、名称
C、牌号
D、品名
参考答案：C
At first driving requires a lot of concentration, but over time, it just becomes __________. [ ]
A. authentic
B. available
C. automatic
D. awake
下列哪项不属于月经期的正常表现【】
A．恶心、呕吐
B．下腹坠胀
C．腹痛
D． * * 胀痛
E．头痛
