有一块长方形菜地,长7米,宽2米.要在菜地四周围上篱笆,篱笆长多少米?

题型:解答题

问题:

有一块长方形菜地,长7米,宽2米.要在菜地四周围上篱笆,篱笆长多少米?

考点:长方形的周长
题型:解答题
直线y=x+1与y=-x+3交于点A,分别交x轴于点B和点C,则△ABC的面积为(  )
A.6B.4C.3D.2
题型:解答题

小儿急性肾炎出现严重循环充血、肺水肿时,下列的治疗措施哪一项是错误的()

A.严格限制水、钠摄入量

B.使用强利尿剂(呋塞米)

C.硝普钠静滴

D.使用镇静剂,但忌用吗啡

E.使用西地兰或毒毛旋花子苷K静注

题型:解答题

《城市区域环境振动测量方法》(GB/T10071—1988)中,无规振动的测量量、读数方法和评价量分别是什么?

题型:解答题

非资产型物流企业比资产型物流企业的抗资信风险的能力强。

题型:解答题

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.

The word "couriers" underlined in Paragraph 1 means ______.

A. general mail service

B. persons sending mails
C. emergency mail service

D. international mail service

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