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【单选题】
采用人力推车的平巷，或无轨道设备的平巷，从轨道或巷道底板到顶板支架的高度不得小于（）m。
A.
1.0
B.
1.5
C.
1.8
D.
2.0
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Entertainment in LondonBuying Books Londoners are great readers. They buy vast numbers of newspapers and magazines and even of books especially paperbacks, which are still comparatively cheap in spite...
A.
It’s to the cast of London.
B.
It’s street of bookstores.
C.
It’s a center for second-hand books.
D.
It’s where worthless books are sold.