影响尿路结石形成的因素不包括() A.感染 B.梗阻 C.异物 D.肾损伤 E.体质

题型:单项选择题 A1型题

问题:

影响尿路结石形成的因素不包括()

A.感染

B.梗阻

C.异物

D.肾损伤

E.体质的强弱

考点:整形外科主治医师泌尿外科学泌尿外科学题库
题型:单项选择题 A1型题

Questions 61-70 are based on the following passage.


While some international couriers are showing signs of exhaustion, EMS (Express Mail Service), the generic name for the courier services of post offices, seems to be finding its stride. Known as Datapost in Britain, as Chronopost in France, and as A1-Barid al-Mumtaz in Saudi Arabia, EMS is now second in the international courier business (jointly with TNT Skypack). Last year it delivered 5.6 million items, weighing less than 20 kilograms each, across borders. That and its annual growth rate of around 5 percent have worried DHL, the market leader, enough for it to counter-attack in the Courts.
On October 26, a Dutch judge ruled against DHL on all three counts filed against the Dutch post office: that the three-initial name was too close to DHL’s; that the orange lines in the EMS logo were too similar to DHL’s dark red ones; and that the claim to the widest route system in the world was unfounded. DHL has threatened the Swiss post office with similar action, but it may reconsider after the Dutch ruling.
EMS has some advantages over the private couriers. One is a dense ready-made network of offices, especially in Europe, the avowed target area of the private couriers. Another advantage is a long tradition of working with customs authorities. In a business where minutes count, it pays to have good friends at customs. That advantage particularly irritates the private couriers because there is no legal way to combat such unquantifiable coziness.
The private courier services are also annoyed because in countries like Switzerland and Italy, where the post office is officially a monopoly, they pay it a fee. In Switzerland DHL says it pays more than SFr lm ($ 708,000) "to the competition" each year. In France the couriers have won a battle for exoneration.
Although governments are under little pressure to keep prices artificially low, EMS is often cheaper than the private couriers, but not always. A recent test in Britain (on a domestic route) showed Datapost about halfway between the least and the most expensive, but gave it full marks for speed and service.
Each national EMS is free to set its rates and follow its own rules on things like bulk discounts. The Universal Postal Union, based in Berne, determines how costs and revenues are split between sending and receiving countries, and standardizes procedures. More than 100 postal administrations have linked into the system—and more are coming, including Russia’s. That makes the feisty EMS particularly happy since its rivals have not been allowed to serve anywhere in Russia.

Which of the following questions is answered according to the passage

A. What advantages does EMS have over the private couriers
B. When was EMS set up
C. How many countries have started EMS
D. What items are not allowed in EMS

题型:单项选择题 A1型题

承包商按投标时业主接受的合同价格一笔包死,在合同履行过程中,如果业主没有要求变更原定的承包内容,承包商在完成承包任务后,不论其实际成本如何,均应按合同价获得工程款的支付。这种合同计价模式属于()。

A.固定总价合同

B.可调总价合同

C.单价合同

D.成本加酬金合同

题型:单项选择题 A1型题
若(x+
1
x
n展开式的二项式系数之和为64,则展开式的常数项为(  )
A.10B.20C.30D.120
题型:单项选择题 A1型题

美陆军的信息化装备和海、空军的信息化装备各占其装备总量多少?

题型:单项选择题 A1型题

使用原型法开发管理信息系统时,重要的外部条件是

A.仿真摸型

B.迭代修改

C.开发工具

D.建立原型

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