变压器的额定电流为通过（）的电流，即为线电流的有效值。
A、铁芯
B、绕组线端
C、套管
D、分接开关
参考答案：B
看图填空，完成短文。
Welcome to my home. Here is my bedroom. There is a 1___________ , a
2___________ and a 3___________ . And under the chair there is a
4___________. The books and dictionaries (字典) are all on the 5___________ .
I don't often watch 6___________ in the evening. I often do some reading or
do my homework here.
如果想让页面具有相同的页面布局，那么最好使用哪种技术（）。
A.库
B.模板
C.库或模板均可
D.每个页面单独设计
, a 
and a 3___________ 
. And under the chair there is a 
. 
in the evening. I often do some reading or