--I lost my purse on my way to school this morning.--_________________ .
A:Take care
B:Excuse me
C:What a pity
D:You're welcome
小明用如图甲所示的电路,探究电源暗箱(图中虚线框所示)中电阻R0的阻值.
Her illness____ something ____ ____ ____her eating habits.