据报道,某地出土了下图所示的文物,其中青铜壶的表面还附有绿色固体物质。 试回答: (1)图中出土文物不属于合金的是 。 (2)考古人员还惊喜地在一个铜壶中发现了特殊的液体,闻起来有一股酒香味。 ①小明从微粒性质的角度分析,能闻到酒香味,说明 。 ②为了证明这种液体是酒,有人提出了下面三种方法,你认为较科学的是 (填序号)。 A.喝一口品尝 B.使用酒精
Each of the 400 people received from their boss ________ gift — “Who moved my cheese?” — ________ best-seller in the US — to understand how to deal with changes in their lives and work.
[ ]
A.the;不填
B.a;不填
C.a;a
D.the;a