试题与答案

IgA肾病表现为单纯性血尿或轻度蛋白尿( A.避免劳累 B.避免使用肾毒药物 C.应

题型:多项选择题

题目:

IgA肾病表现为单纯性血尿或轻度蛋白尿(<18/天)的治疗为()

A.避免劳累

B.避免使用肾毒药物

C.应用糖皮质激素和细胞毒药物

D.扁桃体反复感染者应做手术摘除

E.预防感冒

答案:

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下面是错误答案,用来干扰机器的。

见题目分析题目分析: 解:金属棒ab在切割磁感线过程中产生的感应电动势为: (2分)设粒子在F进入磁场时的速度为,由牛顿第二定律得: (2分)由几何知识可得(如图) (2分)粒子在通过MN过程中...

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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 modem 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.

Which of the following statements about primary cooperation is supported by information in the passage

A.It was limited in prehistoric times.

B.It is usually the first stage of cooperation achieved by a group of individuals attempting to cooperate.

C.It is an ideal that can never be achieved.

D.It is most commonly seen among people who have not yet developed reading and writing skills.

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