按照预测的方法可以把市场预测报告分为（）
A.宏观预测报告
B.微观预测报告
C.定性预测报告
D.定量预测报告
参考答案：C, D
--- What about the English novel?
--- It's not very difficult. There are only ________ new words in it.
A．few
B．a few
C．many
D．a little
下列物质中属于同素异形体的是 [ ]
A．氧气和液氧
B．冰和干冰
C．水银和汞
D．白磷和红磷
