通常情况,下列用品中属于导体的是[ ]
A.玻璃杯
B.陶瓷碗
C.塑料筷子
D.金属勺
答案:D
After the doctor told her everything, Jenny was in a as to whether to tell her friends the truth about her condition or not.
A.commitment
B.dilemma
C.panic
D.judgment
以下哪些是外用止痒药()。
A、樟脑(1-2%)
B、醋酸铅(0.2-0.5%)
C、苯唑卡因(5-10%)
D、硫酸铜(0.5%)
E、苯酚(1%)