埋地长输管线下沟后,应进行的管道施工工序不包括()。
A.通球扫线
B.测径
C.试压
D.防腐蚀
参考答案:D
阅读下面的短文,然后根据汉语或英语首字母提示写出所缺英语单词的正确形式。
I had a very unusual experience on小题1:星期天。At around ten o’clock in the morning, I was walking down the street when a UFO landed in 小题2:f_____ of me. You can imagine how小题3:奇怪的it was! An alien got out and walked down the Center Street. I 小题4:跟随it to see where it was going, and I was very surprised when it went into a souvenir shop. While it was looking at the souvenirs, the assistant called the 小题5:p_______.
下列有关肺癌淋巴转移的描述哪项是错误的()。
A.淋巴转移是鳞癌和小细胞癌较早发生的转移途径
B.一般沿肺段-肺叶-同侧肺门-同侧气管旁-同侧锁骨上途径
C.由于解剖学上的原因不可能转移到上腹部主动脉旁淋巴结
D.可以转移到对侧纵隔和颈部淋巴结
E.侵入胸壁后可转移至腋下淋巴结