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问题 选择题

我国三峡工程所提供的清洁、廉价、强劲、可再生的水电，相当于每年燃烧3000万吨原煤的大力发电厂产生的电能，因此三峡工程有助于控制[ ]

A．温室效应

B．氮氧化物的排放

C．白色污染

D．碳氢化合物的排放

答案

答案：A

问答题 简答题

在通货膨胀的治理中，指数化政策起什么作用？
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单项选择题

Applications put computers to practical business (67) , but below the (68) it’s the heart of an operating system-the kernel-that provides the technical wizardry to juggle multiple program, connect to networks and store (69) .
A traditional kernel provides all the functions for applications. The kernel (70) memory, I/0 devices and parcels out processor time.
The kernel also supports security and fault (71) , which is the ability to recover automatically when parts of the system fail.

A．graphics

B．data

C．text

D．image
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