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问题 单项选择题 A1型题

某单位有十余人吃了某冷饮店的冰棒后感染了痢疾，同时防疫站从冰棒中分离到痢疾杆菌，从而确定冰棒是（）

A.传染源

B.传播途径

C.传播媒介

D.带菌者

E.以上都不是

答案

参考答案：C

单项选择题

某银行为了加强自己的网站的安全性，决定采用一个协议，你认为应该采用______协议。

A．FTP

B．HTTP

C．SSL

D．UDP
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单项选择题

A firm ended the last period with inventory of $ 4.0 million and a last in, first out (LIFO) reserve of $175000. During the year, it made purchases of $ 2. 0 million and reported sales of $ 5.5 million with a gross margin of 0.32. At the end of the year, it reported a LIFO reserve of $ 75000. What is the value of the firm’ s cost of goods sold (COGS) on a first in, first out (FIFO) basis

A．

A. $ 384000O.

B．

B. $ 3740000.

C．

C. $ 3640000.
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