施工组织设计常用的技术经济指标有：( )
A．工期指标
B．劳动率指标
C．机械化施工程度指标
D．降低合同成本指标：
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| 用方框中所给词语的适当形式填空,完成短文。(有两个多余的单词) | |
front of you is the middle school. I __2__ there. The post office is on its left and the hospital is on its right. The library is __3__ our school. You can do a lot of reading there. There is also a big __4__ behind the hospital. I often play with my friends there on weekends. The cinema is the most popular place in my hometown. We all like __5__ films there. If you have time, please come to my hometown for a visit. | |
下面图中的火炮是多大口径的？（）
A.155毫米
B.122毫米
C.130毫米
D.140毫米
《大风歌》的作者是（）
A.刘邦
B.项羽
C.汉武帝
D.戚夫人
我厂主风机的密封属于迷宫式密封。
ITU基本原则规定，ITU的定位是只负责收集有关的知识产权信息，而不介入专利的有效性和实用性的审核。也不介入专利争端的解决。