搜题请搜索小程序“爱下问搜题”
问题 问答题 简答题

L型空气压缩机轴瓦温度过高的原因和排除方法？

答案

参考答案：

（1）轴承质量欠佳，应更换；

（2）配合间隙小，重新校准；

（3）油质不好，供油不良，应更换油品及检查供油系统温度。

解答题

宁宁看一本356页的故事书，平均每天看21页，看了13天后，还剩多少页没有看？
查看答案
完形填空

第三节回答问题(共3小题；每小题2分，满分6分)

阅读下面短文，根据第58至第60小题的具体要求，简要回答问题。

Nearly all American students in colleges and universities pay for their education. There are many expenses. First of all, there is tuition. At some schools, the tuition is very high, ten thousand dollars a year or more. At other schools, it may only be a few hundred dollars a year. At some community colleges, tuition is free. There are other expenses as well. Many students leave their homes to go to schools in other cities. They may live in dormitories or apartments, and they must pay for it. Finally, students must buy textbooks for their courses. Some families start saving money for their children’s education when the children are small. Many students work to save money for tuition. They can also get loans from the government. They pay the money back to the government when they finish their education.

58. How much is the higher tuition? (no more than 7 words)

___________________________________________________________

59. Why do many students live in dormitories or apartments? (no more 7 words)

___________________________________________________________

60. When do many students pay back their loans from the government? (no more than 5 words)

___________________________________________________________         
查看答案