问题
单项选择题
焊接铸铁和低碳钢选择工艺参数不必考虑的项目是（）。
A.焊接过程稳定
B.焊缝成形良好
C.减少缺陷变形
D.碳当量大小
答案
参考答案：D
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焊接铸铁和低碳钢选择工艺参数不必考虑的项目是（）。
A.焊接过程稳定
B.焊缝成形良好
C.减少缺陷变形
D.碳当量大小
参考答案：D
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| It's never easy to admit (承认) you are in the wrong. We all 1 to know heart of apology (道歉) Think how often you've done wrong. Then count how many 2 you've expressed clearly you were 3 . You can't go to bed with an easy mind if you do 4 . A doctor friend, Mr. Lied told me about a man who came to, him with different kinds of signs: headaches, heart trouble and insomnia (失眠症). 5 some careful exams, Mr. Lied found nothing wrong with him and said, "If you don't tell me what's 6 you, I can't help you." The man admitted he was cheating his brother of his inheritance (遗产). Then and there the clever doctor 7 the man write to his brother and 8 his money. As soon as the letter was put into the post box, the man suddenly cried, "Thank you," he said to the doctor, "I think I've got well." An apology can not only save a broken relationship (关系), but also make 9 . If you can think of someone who should 10 an apology from you do something about it right now. | ||||
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