— Everyone knows Canada is the second largest country in the world.— That is right. It is larger than ______ country in Asia.
A:any
B:any other
C:other
D:another
用竖式计算。
①83-9=
②23-5=
③42-7=
如果a>b,则下列各式正确的是( )
试剂/种类
碘液
苏丹Ⅲ染液
双缩脲试剂
甲
++++
++
+
乙
丙