单选题：以下对于物质的俗称、化学式、分类和用途的说法，其中不完全正确的一组是（ ）AABBCCDD

关于化学反应类型说法正确的是（）。A有单质生成的反应是分解反应B两种化合物之间的反应是复分解反应C元素存在形态发生改变的反应是置换反应D化合反应中生成物的物质的质量可能等于反应物的物质的质量和

下列物质的方程式正确的是（）。AB​​​​​​​​​​​​​​C​​​​​​​​​​​​​​D​​​​​​​​​​​​​​

The police were seeking more information to find out _______ the rich man.Awho was it that killedBwho it was that killed

This crop has similar qualities to the previous one, _______ both wind resistant and adapted to the same type of soil.Ab

Do you think _______ a good idea that he sold the vegetables at half price_______ let them go bad?Ait’s; as well asBit;