A：热量由铝球传给铜球
B：热量由铜球传给铝球
C：它们之间不发生热传递.
D：缺少条件，无法确定
Can you____ ____ a story in ten minutes?
俄国二月革命最主要成果是（ ）
When I passed this afternoon, I saw a little boy was lying on the grass, his hands _____ under his head.
