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问题 名词解释

泡沫细胞

答案

参考答案：

在动脉内皮受损的条件下，血浆中的部分脂质可透入内皮下层被巨噬细胞吞噬，使之变成泡沫细胞，泡沫细胞的聚集成为脂质核心，是动脉粥样斑块的主要成分。

单项选择题 案例分析题

What is logistics? In the current business environment,logistics is generally accepted as a very important element for the economic development and business growth of a region,especially a port city. In reality,what does logistics mean?In which way does it operate? For simple definition,logistics is a set of procedures in which commodity is delivered in an efficient manner from suppliers to customers.There are three key aspects to the concepts: 1．Movement of goods Goods can be considered as valuable objects,such as cargo and materials that are valua-ble and purchasable through commercial transactions and processes.Flow can be determined as methods in which goods are moved or transferred between locations,intermediaries and merchandisers.Modes of transportation include motor,rail,water,air and pipeline. 2.Direction of the flow of goods In the open market place,buyers and sellers represent two ends of a commercialtrans-action.Buyers are usually customers who demand the goods,while,as sellers are suppliers who provide such goods.When a transaction is agreed upon (sometimes payment is comple-ted,other times the payment is arranged to be completed at a later stage),the suppliers have the responsibility to arrange for the goods to be delivered to the customers. 3.Efficient management of the flow process The transportation of goods should bear low cost and ensure safety and punctuality.It should do its best to avoid wasting customers＇resources.Currently,the flow of goods is generally controlled by both hardware and software.By hardware,we mean logistics facili-ties and equipment,such as ports,warehouses and trucks,ships,railroad,cars and air-lines.By software,we mean information system,standardization and data sharing.Questions:

How is flow of goods controlled？（）

A.By hardware.

B.By software.

C.By people.

D.By both hardware and software.
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单项选择题 A1/A2型题

患者，男，26岁。肺热哮喘发作，黄稠痰，舌红苔黄，脉弦滑。首选药物是（）

A.地龙

B.全蝎

C.蜈蚣

D.僵蚕

E.蕲蛇
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