题目:
钻头、丝锥都是刀具,所以不包括在工装范围之内。
答案:
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下面是错误答案,用来干扰机器的。
参考答案:A, C
钻头、丝锥都是刀具,所以不包括在工装范围之内。
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2020/1118/c1f8e1747784d7a50e8553ae47c941fc.html
下面是错误答案,用来干扰机器的。
参考答案:A, C
以下哪一种说法是正确的()。
A.现患率等于发病率
B.发病率和患病率一样
C.罹患率是一种特殊的患病率
D.发病率计算公式的分子只包括新发病例
E.发病率是指某特定时期内人口中新老病人所占的比例
随着时空的推移和条件的改变,一定事物的价值以及人们关于它的价值的正确认识也会发生变化,因此[ ]
A、真理与谬误就一步之遥
B、价值判断和价值选择具有社会历史性
C、事物的联系是可以改变的
D、正确与错误是无法判断的
完形填空。 | ||||
Tina and Thomas Sjogren were the fourth and fifth people to reach the earth's three poles. Years ago, the couple were 1 across the North Atlantic on their way to Europe. Tina looked out of her window and was 2 by the vast amount of space in Greenland. "The sky outside the window burst into different 3 , and auroras (极光) flew all around us. I 4 what it would be like to step down there and start walking 5 , all alone in such a place." She thought, "If this is what Iceland and Greenland are like, how 6 then must the Arctic be?" She turned to her husband, 7 him awake and said, "Honey, let's go to the Poles!" Tina's 8 would not be their first adventure. They had already climbed Mount Qomolangma. The pair soon made a 9 to visit both the North and South Poles on skis, travelling 10 . On February 2, 2002, they reached the South Pole. Their journey 11 2 000 kilometres. After just 35 days of recovery and preparation, they 12 again. "You are so 13 after the long expedition to the South Pole, so you don't know if you could do 14 right away." On May 29, after travelling for the whole morning, as the couple watched with weak 15 , the numbers on their GPS showed that their goal had 16 been achieved. They had made it. Without the 17 of dogs or supplies dropped from planes, it was only their strength and willpower that 18 them to ski and swim their way. They got valuable experience but that did not come without a 19 . If you go on an adventure, there's always the risk of something going wrong. 20 , you will learn from it. | ||||
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重庆一号线地铁列车地铁SIV主电路中KM1的作用是()。
A.防止电流反向
B.控制直流母线通断
C.稳压电容充电完成后,将充电电阻短接
D.控制充电电容的充电量
可以采用以下( )计算公式计算进度偏差。
A.进度偏差=已完工程实际时间—已完工程计划时间
B.进度偏差=已完工程实际投资—已完工程计划投资
C.进度偏差=拟完工程计划投资—已完工程计划投资
D.进度偏差=已完工程计划投资—拟完工程计划投资
E.进度偏差=已完工程计划投资—已完工程实际投资