以互联网支付和移动支付为代表的新兴支付市场规模持续扩大，支付呈现哪些趋势（）
A.智能化
B.无卡化
C.钱包化
D.高效化
参考答案：A, B, C
—We all had a lot of fun at the barbecue yesterday. Pity you weren’t there.
— I really should have gone with you, but I ________ on some remaining problems.
A．was working
B．would work
C．worked
D．had worked
水果中有肌酸的作用不包括（）
A.刺激消化液分泌
B.促进钙的吸收
C.保护维生素C的稳定性
D.增强感官作用
E.抑制膳食纤维作用
