焦炭的（）波动会导致高炉冶炼行程不稳，影响产量和焦比。
参考答案：成分和性能
He was not _____ to the club because he wasn't a member.
A．allowed
B．admitted
C．permitted
D．approved
一家酒店12月份的营业额是300万元．如果按营业额的5%缴纳营业税，那么这家酒店12月份应缴纳税款______．
