铝箔封口机运行后,由于某种原因,感应器与输送带前后高低不一,此时封盖效果会()
A、盖子铝箔会过热烧坏
B、与原来封盖效果不变
C、封口效果变差
D、无法确定
参考答案:C
合同法的基本原则是( )。
A.平等原则
B.互惠互利原则
C.公平原则
D.可变更原则
— How much farther shall we have to go?
— Another five miles until we reach the mountain______. [ ]
A. for a distance
B. in a distance
C. at distance
D. in the distance