在贷款信用收回的过程中，对于经营类贷款，逾期超过（）应进行上门催收。
A.10天
B.30天
C.60天
D.90天
参考答案：B
This machine is mainly ______ three parts. [ ]
A. made up
B. made up of
C. made of
D. made from
绿灯亮表示前方路口允许机动车通行。
