【单选题】水准测量时后视读数为1.224m,前视读数为1.974m,则两点的高差为()
【判断题】采购货物时,订购批量和订购周期的确定取决于所运用的库存控制方法
【单选题】水准测量时后视读数为1.974m,前视读数为1.224m,则两点的高差差为()
【单选题】多台塔机共同作业时,有关低位塔机的描述正确的是()。
D.
低位塔机起重臂端部与其他塔机塔身距离至少2m
【简答题】用括号内所给词的正确形式填空。 1. He _____ (slow) opened the door and went away. 2. Lots of _____ (visit) come to my hometown every year. 3. The cat's job is to catch the _____ (mouse) in the house. 4. Tom rushed in...
【单选题】水准测量时后视点A上的读数为1.226,前视点B上的读数为1.737,则A、B两点的高差为hAB=( )
【简答题】听短文,选择正确答案,短文读两遍。 1. How did Tom live? [ ] A. He lived alone. B. He lived with his wife. C. He lived with his family. 2. How often did he go to town? [ ] A. Every day. B. Every week. C. Never....
【简答题】完形填空。 Little Tom loves l to stories. His mother 2 him many good stories. Tom thinks many stories always 3 an end. That's not good. One evening little Tom asked his mother to tell him a very, very 4 on...
【判断题】1083采购货物时,订购批量和订购周期的确定取决于所运用的库存控制方法。
【单选题】以下不是经接触传播所致传染病的流行特征的选项是
A.
加强传染源管理,严格消毒制度,注意个人卫生可以减少传播
C.
流行过程缓慢,全年均可发病,无明显季节性高峰