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问题 单项选择题

下列施工机械，其安拆及场外运费不能计算到施工机械台班单价中的是（ 　）。

A．工地间移动较为频繁的小型机械

B．移动有一定难度的大型机械

C．不需安拆且自身又能开行的机械

D．部分中型机械

答案

参考答案：C

单项选择题

望向大海，很多时间我们会发现海水呈现蓝、绿色，这是因为（）。

A．海水本身就是绿色和蓝色的

B．只有绿光才能被海水吸收并反射

C．有蓝光才能被海水吸收并反射

D．蓝光和绿光都不能被海水吸收
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单项选择题

One of the functions of the (71) is to store the applications programs or the various secondaries. The (72) may have similar or dissimilar functions. The same control code received from two different, secondaries may warrant two different actions on the part of the host computer. If the system so requires, the host computer must also provide (73) for the centralized data and the software for database management. Data information is normally stored in auxiliary memories to which the computer has ready access. The (74) peripherals connected to the host computer allow for human entry and intervention. As needs change, application programs may require additions, deletions, or changes. Data link problems also arise which are (75) the range of the computer’s programmed capabilities. In such cases, human entry is required to make the necessary changes to resolve the existing problems.

A．dose to

B．during

C．within

D．beyond
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