（）烧结时，固体消耗较低。
A、磁铁矿
B、赤铁矿
C、褐铁矿
参考答案：A
在ATM中VP交换时（）
A.VCI值变，VPI值变
B.VCI值变，VPI值不变
C.VCI值不变，VPI值变
D.VCI值不变，VPI值不变
The girl likes to buy cheap things. She often spends ______ money on ____ things.
A. more, fewer B. fewer, more C. less, more
