依据《民用爆炸物品安全管理条例》的规定,销售民用爆炸物的企业,应将购买单位的许可证、

题型:单项选择题

问题:

依据《民用爆炸物品安全管理条例》的规定,销售民用爆炸物的企业,应将购买单位的许可证、银行账户转账凭证、经办人身份证明复印件保存备查,保存期是()。

A.3个月

B.6个月

C.1年

D.2年

考点:安全生产法及相关法律知识安全生产法及相关法律知识题库
题型:单项选择题

如图所示,在光滑的水平台面上,一轻弹簧左端固定,右端连接一金属小球,O点是弹簧保持原长时小球的位置。开始时通过小球压缩弹簧到A位置(已知AO=OB),释放小球,研究小球在在水平方向上的受力和运动情况,则

A.小球从A运动到O的过程中所受弹力方向向右、速度不断增大

B.小球从O运动到B的过程中所受弹力方向向右、速度不断减小

C.小球运动到B点时将停止运动并保持静止

D.小球在运动过程中所受弹力的方向保持不变

题型:单项选择题

深圳证券交易所决定撤销退市风险警示的,公司应当按照深圳证券交易所要求在撤销退市风险警示前一个交易日做出公告。( )

题型:单项选择题

J.Martin指出,系统开发所建立的企业模型应具有若干特性,以下哪个不在其要求之列()

A.完整性

B.适应性

C.持久性

D.灵活性

题型:单项选择题

沉淀池的形式按池内水流方向的不同,分为平流式、竖流式、()、斜流式。

A.对流式

B.回流式

C.辐流式

D.涡流式

题型:单项选择题

Cooperation is the common endeavor of two or more people to perform a task or reach a jointly cherished goal. Like competition and conflict, there are different forms of cooperation, based on group organization and attitudes.
In the first form, known as primary cooperation, group and individual unite. The group contains nearly all of each individual’s life. The rewards of the group’s work are shared with each member. There is an interlocking identity of individual, group, and task performed. Means and goals become one, for cooperation itself is valued.
While primary cooperation is most often characteristic of preliterate societies, secondary cooperation is characteristic of many modern societies. In secondary cooperation, individuals devote only part of their lives to the group. Cooperation itself is not a value. Most members of the group feel loyalty, but the welfare of the group is not the first consideration. Members perform tasks so that they can separately enjoy the fruits of their cooperation in the form of salary, prestige, or power. Business offices and professional athletic teams are examples of secondary cooperation.
In the third type, called tertiary cooperation or accommodation, latent conflict underlies the shared work. The attitudes of the cooperating parties are purely opportunistic; the organization is loose and fragile. Accommodation involves common means to achieve antagonistic goals; it breaks down when the common means cease to aid each party in reaching its goals. This is not, strictly speaking, cooperation at all, and hence the somewhat contradictory term antagonistic cooperation is sometimes used for this relationship.

According to the passage, why do people join groups that practice secondary cooperation

A. To share the happiness with others.
B. To get rewards for themselves.
C. To associate with people who have similar backgrounds.
D. To defeat a common enemy.

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