圆盘锯的()部位应安装保护挡板或防护罩。A.传动 B.开关 C.轴箱 D.启动

题型:单项选择题

问题:

圆盘锯的()部位应安装保护挡板或防护罩。

A.传动

B.开关

C.轴箱

D.启动

考点:安全生产管理知识安全生产管理知识题库
题型:单项选择题

在动态控制中,实现目标的途径是()。

A.目标计划值

B.目标实际值

C.纠偏措施

D.调整目标

题型:单项选择题

继长江三角洲、珠江三角洲经济快速发展后,我国又一工业密集区——环渤海经济圈已形成,它将带动北方地区经济迅速发展。读图回答问题。

(1)A表示_________工业区。从图中可看出该工业区丰富的矿产资源有__________________。

(2)图中还包含了我国另一个重要的工业区_________工业区。C是_________市,为东北的门户,著名的滨海旅游城市。

(3)“白日依山尽,黄河人海流”。黄河流入______海。除了图中的黄河流域外,我国的三大产棉区还有___________和___________。

(4)______资源短缺是制约该区经济发展的不利因素,解决这一问题的全国重要引水工程是__________工程。

题型:单项选择题

Maybe it is true that we do not know what we have got until we lose it, but it is also true that we do not know what we have been missing until it arrives.

It takes an hour to like someone, and a day to love someone, but it takes a lifetime to forget someone. Giving someone all your love is never an assurance that they will love you back. Do not expect love in return; but if it does not, be content it has grown in yours. Do not rely on one’s appearance; it can trick you. Do not rely on wealth; even that fades away. Rely on someone who makes you smile, because it takes only a smile to make a dark day seem bright.

There are moments in life when you miss someone so much that you just want to pick them from your dreams and hug them. Dream what you want to dream; go where you want to go; be what you want to be, because you have only one life and one chance to do all the things you want to do.

The brightest future will always be based on a forgotten past. You cannot go on well in life until you let your past failures and heartaches go off. May you have enough happiness to make you sweet, enough trails to make you strong, enough sorrow to keep you human, enough hope to make you happy. The happiest of people do not necessarily have the best of everything; they just make the most of everything that comes along their way. Happiness waits for those who cry, those appreciate the importance of people who have touched their lives. Always put yourself in others’ shoes. If you feel that it hurts you, it probably hurts the other person, too.

When you were born, you were crying and everyone around you was smiling. Live your life so that when you die, you are the one who is smiling and everyone around you is crying.

小题1:In this passage, the writer wants to tell us ______.

A.what to do in our life

B.where to go with other persons

C.how to treat our life

D.how to get on well with other persons小题2:Which of the following statements is true according to the passage?

A.If you give someone your love, you are sure to receive love in return.

B.We often don’t know what we have lost until it happens someday.

C.It is wise not to rely on anybody because you are likely to be cheated.

D.If it takes you a short time to love someone, you will easily forget the person.小题3:If you put yourself in another person’s position, ______.

A.you shouldn’t do what will hurt other people

B.you should put on other people’s shoes

C.you should believe in other people

D.you should depend on your imagination小题4:In the last paragraph the writer is actually telling us that a person in the world should be one who ______.

A.can accept the suggestions made by others

B.can live happily and forget the past

C.does good to other people and is respected and loved by them

D.has made a lot of money for himself before he dies

题型:单项选择题

热洗质量主要有()、()、热洗压力和排量。()、()和排量受到热洗设备的制约。

题型:单项选择题

MODEM的中文准确解释是()

A.解调器

B.调制解调器

C.调制器

D.解调调制器

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