读“美国加利福尼亚州图”,下列叙述正确的是
A、该州降水量北多南少
B、该州降水量西多东少
C、该州应实施东水西调
D、该州应实施北水南调
AD
-_____ does the book ____ you?
-Can you guess? [ ]
A How many, spend
B How much , cost
C How much, spend
D How much money , pay
金属材料可分为两大类,即碳素钢和合金钢的色金属。