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问题 单项选择题

患者男性，26岁，因腿部被生锈的铁钉刺伤在家自行消毒，未注射TAT，1周后突然出现全身肌肉强直性收缩，阵发性痉挛，诊断为破伤风。

导致患者死亡的常见原因是

A．休克

B．窒息

C．肺部感染

D．肾衰竭

E．脱水、酸中毒

答案

参考答案：B

选择题

石油被称为“工业的血液”，下列有关石油的说法正确的是[ ]

A.石油是一种化石燃料

B.石油是一种化合物

C.石油的蕴藏量是无限的

D.石油可直接用作飞机燃料

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单项选择题

"What does the middleman do but add to the price of goods in the shops " Such remarks are aimed at the intermediate operations between manufacturers and final customers. This practice usually attracts a lot of attention from the public and the press and the operation most talked about is what is often called wholesaling.The wholesaler buys goods in large quantities from the manufacturers and sells them in smaller parcels to retailers, and for this service his selling price to the retailer is raised several percent higher. But his job is made more difficult by retail demand not necessarily running level with manufacturers’’ production. Because he adjusts or regulates the flow of goods by holding stock until required, he frees the manufacturer, to some extent, from the effect on production of changing demand and having to bear the whole risk.The manufacturer can then keep up a steady production flow, and the retailer has no need to hold heavy stocks, who can call on the wholesaler for supplies any time. This wholesale function is like that of a valve in a water pipe. The middleman also bears part of the risk that would otherwise fall on the manufacturer and also the retailer.The wholesaler provides a purely commercial service, for which he is too well rewarded. But the point that is missed by many people is that the wholesaler is not just someone adding to the cost of goods. It is true one could eliminate the wholesaler but one would still be left with his function: that of making sure that goods find their way to the people who want them.

A middleman’s work may become difficult because________.

A．manufacturers run their production on a much higher level

B．market demand may not be the same as industrial production

C．retailers are not necessary in running their retailing business

D．retailers demand lower levels than those demanded by manufacturers
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