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【判断题】
当作用上所有外力都位的纵向对称面内,梁的轴线在纵向对称平面内被弯成一条光滑平面曲线,称为平面弯曲。( )A.
正确
B.
错误
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】送礼要选择合适的礼品,投其所好是首要原则,还应该考虑对方的()
A.
经济状况、性别、年龄、
B.
年龄、身份、经济状况
C.
禁忌、性别、身份
D.
地位、经济状况、年龄
【简答题】阅读理解。 There were smiling children all the way. Clearly they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and ch...
【简答题】You will hear a recorded passage. After listening to it complete the answer to it with a word or a short phrase. 1). What is an ordinary but necessary job for secretaries in office work? ____________ ...
【简答题】阅读理解。 There were smiling children all the way. Clearly they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and ch...
【简答题】阅读理解。 There were smiling children all the way. Charily they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and ch...
【简答题】阅读理解。 There were smiling children all the way. Charily they knew at what time the train passed their homes and they made it their business to stand along the railway, wave to complete strangers and ch...
【简答题】Choose the words or expressions and complete the passage: When I was a young child, my parents often told me that a positive ( 积极的 ) heart brought a man everything. I didn ’ t understand and wondered ...
【简答题】Activity 5 Watch Part 2 again and complete the sentences. I met Phyllis Stein, a ____________________. She showed me how to prepare for an interview by _____________. I don't think that you should go ...
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