主页
学科
搜索
账户
常见问题
当前学科:机电工程管理与实务
题目:
单选题
进口的计量器具,必须经()以上计量行政部门检定合格后销售使用。
A
县级
B
地市级
C
省级
D
国务院
答案:
<查看本题扣1积分>
查看答案
答案不对?请尝试站内搜索
推荐知识点:
孕妇血清耐热性碱性磷酸酶的产生部位是()
在下列项目中,能较好地反映血栓性疾病的诊断和疗效评价的是()。
多立柱杉槁脚手架搭设遇到门洞通道时,应设置()。
As Christmas is coming, there are presents to be bought, cards to be sent, and rooms to be cleaned. Parents are ___1___ with difficult jobs of hiding presents from curious young children. If the gifts are large, this is sometimes a real ___2___. On Christmas Eve, young children find the excitement almost unbearable. They are torn between the wish to go to bed early so that Father Christmas will bring their presents quickly and the wish to stay up late so that they will not miss the fun. The wish for gifts usually proves stronger. But though children go to bed early, they often lie awake for a long time, hoping to get a short ___3___ at Father Christmas. Last Christmas, my wife and I successfully hid a few large presents in the storeroom. I ___4___ the moment when my son, Jimmy, would ask me where that new bike had come from, but ___5___ he did not see it. On Christmas Eve, it took the children hours to go to sleep. It must have been nearly ___6___ when my wife and I went quietly into their room and began filling stockings. Then I pushed in the ___7___ I bought for Jimmy and left it beside the Christmas tree. We knew we would not get much sleep that night, for the children were ___8___ to get up early. At about five o’clock the next morning, we were woken by loud sounds coming from the children’s room — they were shouting excitedly! Before I had time to get out of bed, young Jimmy came riding into the room on his new bike, and his sister, Mary, followed close behind pushing her new baby carriage. Even the baby arrived. He moved ___9___ the hands and knees into the room dragging a large balloon behind him. Suddenly it burst. That woke us up ___10___. The day had really begun with a band! ___5___内应选()
智商是智力测验中的一个重要概念,简称IQ,其公式表述为()。
糖尿病患者饮食注意事项主要包括哪几点?
确定研究主题之后通过广泛收集各类报刊杂志等刊发的信息和内容比较分析最后提出研究结论的方法是()。A、文献研判法B、总和量表法C、内容分析方法D、语义差异法
分馏岗位的主任务是什么?
运用重车在运送途中发生倒装作业,一车倒装两车时,计算增加使用车一辆。()
现代新儒家指什么?