对于收款人拒绝接受的汇款,汇入社(行)应立即办理退汇。汇入社(行)对于超过()仍无人支取的汇款应主动办理退汇。
A.2个月
B.1个月
C.30天
参考答案:A
下列物质中属于含碳量最高的有机物是[ ]
A.CO2
B.醋酸C2H4O2
C.淀粉(C6H10O5)n
D.葡萄糖C6H12O6
.
Written English is more or less the same in both British and American English _______ the differences in spelling.
A.except for
B.except that
C.except
D.besides