运行温度并不对变压器寿命起着决定性的作用。
参考答案：错
I'd also like to _____ you on your good work in these two years.
A．congratulate
B．celebrate
C．wish
D．hope
发出大脑后动脉的血管是（）
A.颈内动脉
B.颈外动脉
C.椎动脉
D.基底动脉
E.后交通动脉
