以下作业项目属于液压支架日常维修内容的是（）A、更换漏窜液的操纵阀、液控单向阀等 B

A proverb says, “Time is money”. But in my opinion, time is even   小题1:  precious than money. Why?    小题2:  when money is spent, we can earn it back. However, when time is gone, it will    小题3:  return. It is known to all  小题4: the time we can use is limited. Therefore we should make full use of our time to study hard so as to serve our country in        小题5:  future. But it is a pity that there are a lot of people who do not realize the value   小题6:  time. They spend their precious time smoking, drinking    小题7: playing.

In a word, we should form the good habit of saving time. Do not put off   小题8: can be done today till tomorrow.

著作法制定的目的是什么？

超过借款合同期限（含展期后到期）1年（含）以上仍未归还的贷款是（）不良贷款。

资产阶级道德的主要规范是（）

A.利己主义

B.个人主义

C.自由、平等、博爱

D.人道主义

某技师在操作中发现金属基底冠喷砂粗化后其表面常有一些油脂残留，他可以选用下列哪种液体对金属基底冠进行清洗

A．汽油
B．四氯化碳
C．氢氟酸
D．盐酸
E．牙托水