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【单选题】
室外给水管网中,采用铸铁管承插连接时,捻口用的油麻填料必须清洁,填塞后应捻实,其深度应占整个环形间隙的( )?
A.
1/2
B.
1/3
C.
2/3
D.
3/4
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A.
.   删除文本
B.
.   将文本变为空格
C.
.   只更改文本格式
D.
.   更改文本内容和格式
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A.
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B.
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A.
punctual
B.
acute
C.
vacant
D.
fundamental
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A.
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B.
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C.
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D.
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E.
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A.
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B.
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A.
正确
B.
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A.
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C.
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D.
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【单选题】Which of the following is true about the 11th-century metalworking site recently discovered in the city of York?
A.
It was an ironwork recycling center far away from the battlefield.
B.
Weapons and other utensils were reprocessed here by the Vikings.
C.
Evidence shows that the weapons recycled here were left by the enemy in the battle.
D.
The pieces of ironwork found in this site are being analyzed in order to know what exactly they were made of.
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