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【多选题】
控制和改善焊接接头性能的方法有( )A.
材料匹配
B.
选择合适的焊接工艺方法和工艺参数
C.
控制熔合比
D.
进行焊后热处理
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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】下列相关作家国籍的搭配,有误的一项是( )
A.
托尔斯泰——俄国 雨果——法国
B.
奥斯汀——英国 川端康成——日本
C.
卡夫卡——奥地利 海明威——美国
D.
莎士比亚——法国 歌德——德国
【简答题】影响问题解决的因素有哪些
【单选题】在建设项目招投标中，投标单位被没收投标保证金的情况有( )。
A.
投标文件未密封
B.
投标人未提供投标保证金
C.
投标单位在投标有效期内撤回标书
D.
投标单位未参加开标会议
【单选题】The old farmer had his leg _______ but he had his tractors _______ day and night.
A.
hurting; working
B.
hurting; worked
C.
hurt; working
D.
hurt; worked
【简答题】The thing was a hot one! A farmer had shot two wolves on purpose. He had seen the wolves on his farm and decided to get them before they caused trouble. He knew wolves were a kind of protected animals...
【简答题】任务型阅读。 There was a farmer. He had four sons. 2 The farmer was very worried about his sons, but he didn't know what to do. The man grew old and fell ill. When he was dying (垂死的), he told all his sons t...
【简答题】Farmer John and Farmer Bob were neighbors. For more than 30 years, they had been getting along very well. Then their good relationship broke. It began with a small thing, then bitter words, and then w...
【简答题】Farmer John and Farmer Bob were neighbors. For more than 30 years， they had been getting along very well. Then their good relationship broke. It began with a small thing， then bitter words， and then w...
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