熔融指数缩写?
参考答案:
MI
— What made Alice so upset?
— _____. [ ]
A. Peter's leaving without saying goodbye
B. Peter left without saying goodbye
C. Peter was leaving without saying goodbye
D. Peter had left without saying goodbye
合同买卖商品为袋装小麦,则合同项下货物买卖的重量计算通常是以毛作净。( )