痤疮最好发的年龄段为()
A.10~15岁
B.10~20岁
C.15~20岁
D.15~30岁
E.30岁以上
参考答案:D
Mrs Wang has a toothache. She wants to ________.[ ]
A. lay down and rest
B. see a dentist
C. drink a lot of water
D. drink hot tea with honey
申请企业法人开业登记,应当在主管部门或者审批机关批准后( )日内向登记主管机关提出申请。
A.15
B.35
C.30
D.10