一条线段长19厘米,一条射线长10厘米.______.(判断对错)
根据线段、射线的含义,可知一条线段长19厘米,一条射线长10厘米,说法错误;
故答案为:×.
Do you think everything _______was true?
A.what he said
B.he said
C.which he said
D.as he said
连铸保护渣的类型有().颗粒.预熔.发热四种类型。