将代数式x2+6x+2化成（x+p）2+q的形式为______．
x2+6x+2=x2+6x+9-9+2=（x+3）2-7．
故答案为：（x+3）2-7．
阅读理解，判断正(√)误(×)。
Liu: Excuse me, is there a cinema near here?
Policeman: Yes, there is.
Liu: Where is the cinema, please?
Policeman: It's next to the hospital.
Liu: Is it far from here?
Policeman: No, it's not far.
Liu: Thank you.
Policeman: You're welcome.
( ) 1. There is a cinema near here.
( ) 2. The cinema is next to the library.
( ) 3. The hospital is not far from here.
( ) 4. The policeman doesn't tell Liu.
根据《建筑机械使用安全技术规程》（JGJ33-2012），12.7.1，对焊机的导线截面不应小于（）
A.对焊机的额定功率100KVA一次电压为220V时，导线截面为45mm2
B.对焊机的额定功率100KVA一次电压为380V时，导线截面为35mm2
C.对焊机的额定功率150KVA一次电压为220V时，导线截面为70mm2
D.对焊机的额定功率150KVA一次电压为380V时，导线截面为50mm2
