英国学者（）提出了两种文化的问题。
A、斯诺
B、多尔
C、沃森
D、亨特
参考答案：A
Today Xiao Li is absent ___the class. He ___ ill.
A．for; could have been
B．with; should have been
C．at; could have been
D．from; may have been
选择性货币政策工具主要包括优惠利率、再贴现利率、消费信用控制和贷款额度控制4种。()
