问题
多项选择题
以下是有关“钳形电流表”使用的描述．其正确的包括（）。
A.钳形电流表可带电测量裸导线、绝缘导线的电流
B.钳形电流表可带电测量绝缘导线的电流而不能测量裸导线
C.钳形电流表在测量过程中不能带电转换量程
D.钳形电流表铁芯穿人三相对称回路中三相电源线时，其读数为“三相电流数值之和”
答案
参考答案：B, C
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以下是有关“钳形电流表”使用的描述．其正确的包括（）。
A.钳形电流表可带电测量裸导线、绝缘导线的电流
B.钳形电流表可带电测量绝缘导线的电流而不能测量裸导线
C.钳形电流表在测量过程中不能带电转换量程
D.钳形电流表铁芯穿人三相对称回路中三相电源线时，其读数为“三相电流数值之和”
参考答案：B, C
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| Scotland lies in the northern part of Britain, with England in the south, the North Sea in the east and the Atlantic Ocean in the west. The country is made up of (由……组成) the mainland and many islands. Tourists come to Scotland from all over the world. The capital of Scotland, Edinburgh, is a popular tourist center. Tourists also come to see Scotland's beautiful scenery: the Loch Ness Lake, and the Gramplians Mountains, with their highest peak, Ben Nevis (1343m). The most important river in Scotland is the Clyde, which runs through Glasgow. Although Scotland is part of the United Kingdom, it has its own currency (货币), a separate educational and legal system (制度) and its own parliament. | ||||||||||
Information Card
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| 6. Does Scotland lie in the south of England? _______________________________________________________________________ 7. Can we that Scotland is between the North Sea and the Atlantic Ocean? _______________________________________________________________________ 8. Is Scotland a country next to the United Kingdom? _______________________________________________________________________ 9. Where do the tourists to Scotland come from? _______________________________________________________________________ 10. From this passage, how do you know the United Kingdom has more than one type of currency? _______________________________________________________________________ |