寻常型天疱疮水疱位于基底层；大疱性类天疱疮水疱位于（）
参考答案：表皮
They wouldn’t let us through without examining our passports very carefully,_______?
A．will you
B．shall we
C．would they
D．don’t we
试述客运值班员的岗位职责和岗位能力的内容？
