A:以勇气闻于诸侯
B:而君幸于赵王
C:为降虏于蛮夷
D:尤致思于天文阴阳历算
现有一杯20℃的饱和硝酸钾溶液,欲改变其溶质质量分数,下列方法可行的是( )
下图是1950﹣1970年主要资本主义国家经济年均增长统计图。由此我们可以得出的正确信息是( )
pigs cows cats ducks rabbits sheep
My uncle has a farm. It's big. On the farm, you can see two ____ . There are twenty ____ and eighteen ____ on the farm. You can see eleven ____ , thirteen____ and fifteen____ .