题目内容：
在管道工程图中，表示螺纹连接。A．正确
B．错误
参考答案：
判断题：在管道工程图中，表示螺纹连接。
- 题目分类：安全生产法及相关法律知识
- 题目类型：判断题
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A．正确
B．错误
A．正确
B．错误
Dogs have a very __________ sense of smell．
Dogs have a very __________ sense of smell．
These books should not be __________ from the library．
These books should not be __________ from the library．
请选出划线部分读音不同的选项（ ）。
请选出划线部分读音不同的选项（ ）。
In nearly every town or city center in the UK, on most days of the week you can
In nearly every town or city center in the UK, on most days of the week you can find one or more peo
My parents and I couldn't get into the house last night because__________ of us
My parents and I couldn't get into the house last night because__________ of us had the key.