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【简答题】
图纸中一形状标注为M10×1.5-H7，其含义?在材料为45号钢的工件制作M10×1.5螺纹的底尺寸应是多少?制作时的注意事项
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【简答题】Monty Robert’s father was a horse trainer. As a child, Monty often went from one farm to another with his father. Sometimes they didn’t have enough money to pay for food, but Monty still kept hoping t...
【简答题】完形填空。 Monty Robert's father was a horse trainer. As a child, Monty often went from one farm to another with 1 father. Sometimes they didn't have enough money to 2 for food, but Monty still kept hoping...
【多选题】古蔡法检查砷的基本原理是( )。
A.
与锌、酸作用生成H 2 S气体
B.
与锌、酸作用生成砷化氢气体
C.
产生的气体遇醋酸铅棉花产生砷斑
D.
比较供试品砷斑与标准品砷斑的面积大小
E.
比较供试品砷斑与标准品砷斑的颜色深浅
【简答题】Monty Robert’s father was a horse trainer. As a child, Monty often went from one farm to another with his father. Sometimes they didn’t have money to pay for food, but Monty still kept hoping to own a...
【多选题】《中国药典》2005年版收载的古蔡法检查砷的基本原理是（）。
A.
与锌、酸作用生成H 2 S气体
B.
与锌、酸作用生成AsH 3 气体
C.
产生的气体遇醋酸铅棉花产生砷斑
D.
比较供试品砷斑与标准品砷斑的面积大小
E.
比较供试品砷斑与标准品砷斑的颜色强度
【单选题】Monty Robert tells the story of his childhood to _____________.
A.
show his support for fun-raising events
B.
encourage young people to stick to their dreams
C.
boast about his horse ranch and big house
D.
demonstrate to people how to run a horse ranch
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