矿石的还原性取决于矿石的（）、（）、（）和（）等因素。
参考答案：矿物组成；结构致密程度；粒度；气孔度
根据图片信息回答问题。（共5小题，每小题1分，共5分）
96 97 98 99 100
× √
小题1:Is it a banana?
小题2:Can he play soccer ball?
小题3:What kind of fruit do you like?
小题4:Where are your books?
小题5:What time does he eat breakfast?
The manager showed the new employee ______ to find the supplies.
A．what
B．where
C．that
D．which
97 
98 
99 
100
