如果工件被油污带入电泳槽内，会严重影响电泳质量，产生( )等。
A．缩孔，气泡
B．气泡、针孔
C．缩孔，针孔
D．气泡、橘皮
参考答案：C
句型转换。
1. How much is the album? (同义句)
How much _____ the album _____?
2. He watches CCTV news every day. (改为否定句)
He _____ _____ CCTV news every day.
3. He does morning exercises from Sunday to Friday? (改为一般疑问句)
_____he _____morning exercises from Sunday to Friday?
4. The girl walks to school every day. (同义句)
The girl goes to school_____ _____every day.
5. The red card is for his English teacher. (对划线部分提问)
_____ _____ is for his English teacher?
在伪满的学校系统之外，还有两所特殊的教育机构（）。
A、“宣抚班”
B、国民学舍
C、国民义塾
D、“大同大学”
E、“建国大学”
