98克纯硫酸完全溶于水后加水稀释至1升,其摩尔浓度是()。
A、0.1M
B、1M
C、0.04M
D、0.05M
参考答案:B
A: Is it her watch?
B: ________. [ ]
A: No, it's not my watch
B. Yes, it's a watch
C. No, it's not her watch
D. Yes, it's my watch
日喀则地区的藏舞在藏舞的排列中归属于下面哪一项()
A、卫藏地区藏舞
B、安多地区藏舞
C、康巴地区藏舞
D、西南地区藏舞