不属于化妆品所致皮肤损害的是
A．刺激性接触性皮炎
B．变应性接触性皮炎
C．光变应性接触性皮炎
D．痤疮
E．脂溢性皮炎
参考答案：E
—John，when will you pay a visit to that place of interest?
—I can’t decide at present. _______.
A．It just depends
B．It’s up to you
C．Take your time
D．I beg your pardon
无线电通信为什么要进行调制？常用的模拟调制方式有哪些？
