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问题 单项选择题

用户的热介质油管线渗漏，可能会导致热油系统的多种故障现象，下面说法不正确的是（）

A、热油膨胀罐压力升高

B、热介质油乳化

C、热介质油输送泵入口压力降低

D、热介质油输送泵气蚀

答案

参考答案：C

选择题

The police are in _____ search of the missing boy, who may be in _____ great danger. [ ]

A. the; the

B. 不填; 不填

C. the; 不填

D. 不填; the
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单项选择题

Although the bulk of industry resources and energies have focused on developing the fastest (11) or slickest (12) , more and more mindshare is turning to the evolution of the computer interface. Advancements in the areas of input devices, (13) processing and virtual reality could lead to fundamental changes in the way human and computer interact. The technological battlefield of the future will be adding layers between the user and the raw machine to make the (14) as invisible as possible. (15) represents the next evolutionary step for the interface.

A．microprocessor

B．operating systems

C．voice

D．virtual reality
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