铁运[2006]200号《钢轨探伤管理规则》规定对重点处所应怎样探伤?
参考答案:
对重点处所进行钢轨探伤时,要慢速推行,并注意观察波形显示,必要时要结合手工检查。
---Where is the manager? I have something important to discuss with him.
--- He is at the airport now. He _________ for Beijing.
A.has left
B.leaves
C.left
D.is leaving
用单词的适当形式填空。
1. My opinion is different from_____ (you).
2. Can you see any_____ (different) between these two pictures?
3. Mr 13rown____________(go) to his office by bike every day.
4. Why not_____ (go) to the zoo by bus?
5. It _____ (take) about 15 minutes to walk.
6. There _____ (be) many deer in the forest now.
7. Kate walks to her home_____ (quick).