霓虹灯一般的工作电压为()V。
A.220—380
B.5000—10000
C.6000—15000
D.1000—5000
参考答案:C
It all depends on _______ you can speak Spanish fluently.
A.that
B.it
C.it that
D.不填
站内()须保证能通过超限货物列车。