请列举不少于4项E商贸通为现货交易类商户会员提供交易控制功能。
参考答案：付款确认，中止交易，强制付款，交易冻结，交易解冻，分次付款
On his way to the top of the mountain, the boy dropped his stick, ______he______ it. [ ]
A. and; stopped getting
B. so; stopped getting
C. /; stopped to get
D. so; stopped to get
秩和检验和f检验比较，秩和检验的优点是（）
A.检验的效率高
B.计算方法简便
C.公式更为合理
D.不受分布限制
E.易于学习掌握
