当事人未按照规定期限交纳罚款的，税务机关每日按罚款数额的（）加处罚款。
A、千分之二
B、百分之二
C、万分之五
D、百分之三
参考答案：D
I regret _______ you that the tickets ______ .
A．telling, have sold out
B．to tell, has sold out
C．to tell, have been sold out
D．telling, have been sold out
下列高聚物中结晶能力最弱的是（）
A.聚乙烯
B.聚四氯乙烯
C.聚氯乙烯
D.聚偏二氯乙烯
