离心泵泵体顶部设有放气或加水的螺孔。

题型:判断题

问题:

离心泵泵体顶部设有放气或加水的螺孔。

考点:供水工考试初级供水工初级供水工题库
题型:判断题

Large companies need a way to reach the savings of the public at large. The same problem, on a smaller scale, faces practically every company trying to develop new products and create new jobs. There can be little hope of raising the money needed from friends and people we know, and while banks may agree to provide short-term finance, they are generally unwilling to provide money, for long-term projects. So companies turn to the public’ inviting people to lend them money, or take a share in the business in exchange for a share in future interests. This they do by issuing stocks and shares in the business through the Stock Exchange. By doing so they can put into circulation the savings of single persons and institutions, both at home and abroad.
When the saver needs his money back, he does not have to go to the company with whom he originally placed it. Instead he sells his shares through a stockbroker to some other Saver who is seeking to invest his money.
Many of the services needed both by industry and by each of us are provided by the government or by local organizations. Without hospitals, roads, electricity, telephones and railways, this country could not work. All these require continuous spending on new equipment and new development if they are to serve us properly, requiring more money than’ it is raised through taxes alone. The government, local organizations and nationalized industries therefore frequently need to borrow money to finance: major capital spending, and they, too, come to the Stock Exchange.
There is hardly a man or woman in this country whose standard of living does not depend on the ability of his or her employers to raise money to finance new development. In one way or another his new money must come from the savings of the country; The Stock Exchange exists to provide a channel through which these savings, can reach those who need finance.

The Stock Exchange makes it possible for the government, local organizations and nationalized industries ______.
A. to make certain everybody saves money
B. to borrow as much money as they wish
C. to make certain everybody lends money to them
D. to raise money to finance new development

题型:判断题

下图是某反应的微观变化过程示意图,下列分析错误的是(  )

A.化学反应前后分子种类有变化

B.示意图中的各物质都属于化合物

C.此反应属于化合反应

D.化学反应的本质是原子的重新组合

题型:判断题

电子商业汇票系统向客户提供自动签收业务申请的处理功能。客户可签约自动处理的业务包括().

A.收票签收

B.背书签收

C.提示付款签收

D.提示付款

E.提示承兑

题型:判断题

在ISDN的配置中,R参考点位于 (61) 之间。

A.非ISDN终端与TA设备

B.ISDN终端与NT2设备

C.NT1设备与NT2设备

D.ISDN交换系统与NT2设备

题型:判断题

气血亏虚,疮疡难溃难敛,宜选()

A.白芷

B.穿山甲

C.黄芪

D.黄芩

E.大枣

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