因自由裁量的具体行政行为的适当性发生的行政复议案件,申请人和被申请人可以();复议机关也可以调解。
参考答案:和解
下列各组物质不能发生化学反应的一组是( )
A.铝和稀盐酸
B.氢氧化钠溶液和硫酸铜溶液
C.氯化钠溶液和硝酸银溶液
D.硫酸钠溶液和氯化镁溶液
— Sorry, Professor Smith. I didn't finish the assignment yesterday.
— Oh, you ________ have done it as yesterday was the deadline.[ ]
A. must
B. mustn't
C. should
D. shouldn't