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【判断题】
路面按其力学特性可以分为柔性路面、刚性路面和半刚性路面。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【简答题】记账凭证既是记录经济业务发生和完成情况的书面证明，也是登记账簿的依据。 ( )
【单选题】Before the mid-1860's, the impact of the railroads in the United States was limited, in the sense that the tracks ended at the Missouri River, approximately the center of the country. At the point the...
A.
The impact of railroads was still limited.
B.
Passengers and freight had to transfer from railroads to other modes of transportation to reach western destinations.
C.
Wagon freighters continued operating.
D.
Railroad travel was quite expensive.
【单选题】Before the mid 1860's, the impact of the railroads in the United States was limited, in the sense that the tracks ended at this Missouri River, approximately the center of the country. At the point th...
A.
the track did not take the direct route from one city to the next
B.
passengers and freight had to transfer to other means of transportation to reach western destinations
C.
passengers preferred stagecoaches
D.
railroad travel was quite expensive
【单选题】Before the mid-1860’s, the impact of the railroads in the United States was limited, in the sense that the tracks ended at this Missouri River, approximately the center of the country. At the point th...
A.
the track did not take the direct route from one city to the next
B.
passengers and freight had to transfer to other modes of transportation to reach western destinations
C.
passengers preferred stagecoaches
D.
railroad travel was quite expensive
【简答题】第三部分：阅读理解（共20小题；每小题2分，满分40分） Before the mid 1860’s, the impact of the railroads in the United States was limited, in the sense that the tracks ended at this Missouri River, approximately the center of...
【简答题】关于物联网的说法，错误的是： A、万物互联将为我们的生活带来极大便利，节约沟通成本，提升资源利用效率 B、物联网与互联网存在本质区别，黑客很难攻击到诸如网络摄像头之类的物理设备 C、物联网是internet of things的意思，意即万物互联，是互联网的一部分 D、物联网中很多设备都是使用着安卓操作系统
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