问题
问答题 简答题
电阻焊与其它焊接方法相比有什么特点？
答案
参考答案：
电阻焊具有生产效率高、焊接变形小、劳动条件好、不需要另加焊接材料、操作简便、易实现机械化等优点。但设备较一般熔焊复杂、耗电量大、适用的接头形式与可焊工件厚度受到限制。
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电阻焊与其它焊接方法相比有什么特点？
参考答案：
电阻焊具有生产效率高、焊接变形小、劳动条件好、不需要另加焊接材料、操作简便、易实现机械化等优点。但设备较一般熔焊复杂、耗电量大、适用的接头形式与可焊工件厚度受到限制。
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用方框中所给单词的适当形式填空,使短文完整正确。(每个单词限用一次)
age. At the age of eight, Bethany took part in her first surf competition and 2 . This started a love for surf competition in her. On October 31, 2003, while she 3 surfing, a big shark(鲨鱼) came over to Bethany suddenly. The shark got her left arm, and hurt her 4 . Luckily, she tried her best and swam back to the land. Bethany lost over 60% of her blood and was 5 to hospital. The doctors saved her life. The girl was brave and strong-minded. Though she lost her arm, she 6 still surf. Later, Bethany returned to the water. She didn't give up 7 dream of becoming a surfer, but she had to practice 8 than before. The next year, Bethany got the first place in an important surf competition. As time went by, people all over the world began to 9 about Bethany and her story. In 2011, a movie about her was made. She is one many good 10 to teenagers through the story of a brave girl with strong mind and hope. |