飞行关键阶段限制乘务员进入驾驶舱,但机长要求时除外。()
参考答案:对
—Excuse me, do you have a pen?
—Sorry, I don’t have one.
—_____ .
A. The same to you.
B. Thank you all the same.
C. You are welcome.
病理性毛发脱落的原因有()
A.甲状腺功能减退症
B.应用抗癌药物(环磷酰胺)
C.斑秃
D.脂溢性皮炎
E.肠伤寒