问题
多项选择题
采煤机截割部的完好标准有（）。
A、水管接头牢固，截止阀灵活，过滤器不堵塞，水路畅通、不漏水
B、摇臂千斤顶无损伤，不漏油
C、离合器动作灵活可靠
D、摇臂升降灵活，不自动下降
E、齿轮传动无异响，油位适当，在倾斜工作位置，齿轮能带油，轴头不漏油
答案
参考答案：B, C, D, E
搜题请搜索小程序“爱下问搜题”
采煤机截割部的完好标准有（）。
A、水管接头牢固，截止阀灵活，过滤器不堵塞，水路畅通、不漏水
B、摇臂千斤顶无损伤，不漏油
C、离合器动作灵活可靠
D、摇臂升降灵活，不自动下降
E、齿轮传动无异响，油位适当，在倾斜工作位置，齿轮能带油，轴头不漏油
参考答案：B, C, D, E
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| Mr. Turner works in a middle school. As a good __1__, he is friendly to his students, And he is always strict __2__ himself. He often tells his students to do their best __3__ the persons __4__ trouble. One Saturday morning, Mr. Turner went to see his friend who was ill in hospital. As something was wrong __5__ his car, he had to take a bus. After he got on the bus, he found a seat and sat down. But soon __6__ people got on the bus and some had to stand. He looked __7__ and saw a woman behind. He stood up and gave his seat to her. The woman said __8__ and sat down. Her behaviour made Mr. Turner __9__. "It's necessary for her to be taught how __10__ polite," he said to himself. Then he asked, "What did you say, Madam?" "I didn't say anything," answered the woman. "I thought you said THANK YOU. " When the woman heard this, her face turned red. | ||||
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