x=8是方程.______. (判断对错)
x=8,既含有未知数又是等式,具备了方程的条件,因此是方程;
故答案为:正确.
---What does your uncle do ?
--- . [ ]
A.He makes a car
B.His name is Alan
C.He is fine
D.He is a bus driver
关于俗称“落枕”的颈椎病类型,错误的是()
A.交感型颈椎病
B.脊髓型颈椎病
C.神经根型颈椎病
D.颈型颈椎病
E.椎动脉型颈椎病