端电压高了对发电机有哪些影响（）。
A.转子绕组温度升高；
B.励磁电流降低；
C.铁芯温度升高；
D.损耗没有影响。
参考答案：A, C
准政策性贷款
Berlitz established the first Berlitz school in the U. S. in 1878 and used a method which is known as ______ which was one school of Direct Method.
A．Berlitz Method
B．the S Method
C．Oral Method
D．Concrete Method
