车站接近闭塞分区、站台区域和第一离去闭塞分区间的线路叫()。
A、发车进路
B、通过进路
C、接车进路
D、接近进路
参考答案:C
用单词的适当形式补全句子。
1. There are thirty-two ______________ (girl) in my class.
2. My father is ______________ (read) a book now.
3. ______________ (this) are my good friends.
4. Li Ming ______________ (arrive) in Kunming at 3 o'clock in the afternoon.
5. How many ______________ (people) are there in your family?
音响在发动机工作后产生电流噪音可能原因为发电机的干扰和()的干扰等。
A.点火系统
B.变速箱
C.电动门窗
D.仪表台