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【判断题】
引起压杆失稳的主要原因是外界的干扰力 。A.
正确
B.
错误
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举一反三
【简答题】______ we were tired after the journey, we were in good spirits.
【简答题】阅读理解。 After we finished thir miles of hiking, we were tired and our muscles ached as we made our way back to New England. The car ride to the airport followed by a two-hour flight left our legs mo...
【简答题】韩国的首都是:
【简答题】We were tired after________(walk) for about eight hours .
【简答题】After we finished thir miles of hiking, we were tired and our muscles ached as we made our way back to New England. The car ride to the airport followed by a two-hour flight left our legs more wor...
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