【简答题】在50克含盐10%的盐水中,加入5克盐与10克水,盐水的浓度不变.______.
【简答题】在76克水中加入24克盐,盐占盐水的______%.
【简答题】talk turkey 2 face the music 3 eat crow 4 keep up with the Joneses 5 red tape 6 a white elephant 7 a willing horse 8 separate(tell) the sheep from the goats 9 a lion in the way ( path ) 10 once in...
【判断题】科索沃战争的直接诱因是美国霸权主义。( )