答案:D
The fact that she was foreign made ________ difficult for her to get a job in that country.[ ]
A. so
B. much
C. that
D. it
通常所说多少伏的晶闸管,是指它的()是多少伏。
A.阻断峰值电压
B.转折电压
C.整流电压
D.管压降