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典型的局域网可以看成由以下3部分组成：、工作站与。

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B型题上述各因素中最可能致肺癌的是（）.

A. 长期饮用含藻类毒素的宅沟水、井水
B. 职业性接触石棉
C. 人乳头状瘤病毒18型感染
D. 职业性接触联苯胺
E. 职业性接触铅

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在Excel中，要将一个工作簿中的一张工作表移动或复制到另一个工作簿中，首先必须同时打开源工作簿和目标工作簿，然后用或者命令进行。

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"Bad eyesight" A young man was called up for army service, but he didn’t want to become a soldier. When he went for his medical exam, (16) The doctor pointed to the eye chart on the wall and said," (17) " "The doctor line of what"the young man asked. " (18) "the doctor replied. "What chart"the man asked. " (19) "the doctor said. "What wall"the man said, Finally,the doctor decided that the man’s eyes were not good enough for army service. That evening the same young man was at a movie when another man came in and sat next to him in the dark. When the light went out, the young man saw that his neighbor whohad examined him earlier. Immediately he said,"Excuse,madam, (20) " 19().

A. but does this bus go to Main Street
B. The one on the wall.
C. he pretended that his eyesight was very bad.
D. Please read the top line.
E. he passed the exam.
F. Shall we go to the movies
G. The top line of the chart.

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某公司有两个投资项目，假设其未来的经济情况只有三种：繁荣、正常、衰退，有关的概率分布和预期报酬率见下表：市场情况发生概率 A项目预期报酬率(%) B项目预期报酬率(%) 繁荣 0.3 90% 20% 正常 0.4 15% 15% 衰退 0.3 -60% 10% 试计算比较两个投资项目的风险，并作出投资选择。

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典型的局域网可以看成由以下3部分组成：__________、工作站与__________。

B型题 上述各因素中最可能致肺癌的是（）.

在Excel中，要将一个工作簿中的一张工作表移动或复制到另一个工作簿中，首先必须同时打开源工作簿和目标工作簿，然后用__________或者__________命令进行。

典型的局域网可以看成由以下3部分组成：、工作站与。

B型题上述各因素中最可能致肺癌的是（）.

在Excel中，要将一个工作簿中的一张工作表移动或复制到另一个工作簿中，首先必须同时打开源工作簿和目标工作簿，然后用或者命令进行。