问题
填空题
曳引钢丝绳曳引受力时，绳芯油脂向外（）。停止受力时、绳芯油脂向内（）。
答案
参考答案：渗油；吸油
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曳引钢丝绳曳引受力时，绳芯油脂向外（）。停止受力时、绳芯油脂向内（）。
参考答案：渗油；吸油
| 完形填空。 Modern students usually have many 1 . They love music and sports. They like reading and watching TV. A two-day weekend can get them 2 from too much school work, and they can do what they like.But still teachers do not think about it. 3 they have too much school work, they have no time to enjoy themselves. Students are really tired of their weekend homework. So they usually don't do their weekend homework 4 Sunday night. And there is not enough time for much work, students have to finish it 5 .The weekend homework makes teachers angry. Things always get 6 without right ideas. Too much school work makes students lose interest in learning, it's also bad for their health. A horse runs faster after a 7 . But for students only rest is not enough. So such a condition should be 8 to give students both pleasure and knowledge. Please give students less homework and leave them more free time. | ||||
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