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【判断题】
简支梁跨中截面弯矩的影响线与跨中有集中力 P 时的 M 图相同。A.
正确
B.
错误
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【简答题】The mass production of the automobiles has affected the society history in the 20th century most of all the inventions.(翻译)
【判断题】The industrial revolution of the 18 th century made the mass production of goods impossible.
A.
正确
B.
错误
【单选题】What are the officials trying to do at the moment?
A.
To restore the normal production of the oil wells.
B.
To estimate the losses caused by the fires.
C.
To remove the oil left in the desert.
D.
To use the oil left in the oil lakes.
【单选题】In the production of freshwater from seawater through a process of heating and cooling, the cooling phase of production is usually called _____.
A.
evaporation
B.
distillation
C.
dehydration
D.
condensation
【判断题】The industrial revolution of the late 18th century made the production of goods impossible.
A.
正确
B.
错误
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