锅炉辅机基础进行二次灌浆时，地脚螺栓的垂直度允许偏差为螺栓长度的1/100，且最大不大于（）mm。
A、8
B、10
C、12
参考答案：B
完成反意疑问句。
1. The Morse Code is rarely used today, _____________?
2. He made few mistakes in the test, ____________?
3. Nothing is more important than learning, ____________?
4. He could hardly remember me, ____________?
5. There is a little milk in the bottle, _____________?
宾夕法尼亚大道1600号是哪个国家总统官邸的地址？
