仅有瘙痒症状而无原发性皮肤损害者为（）
A.湿疹
B.瘙痒症
C.痒疹
D.结节性痒疹
E.妊娠痒疹
参考答案：B
It’s important to give her an emergency phone number ______ the children get hurt or sick.
A．unless
B．in case
C．even though
D．as long as
《天下郡国利病书》
