问题
单项选择题
曝光量过度，影片密度反而下降，其原因是胶片的
A．互易律失效
B．间歇曝光效应
C．反转现象
D．静电效应
E．压力效应
答案
参考答案：C
解析：曝光量过度，影片密度反而下降，其原因是胶片的反转现象。反转现象的产生是潜影溴化的结果。
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曝光量过度，影片密度反而下降，其原因是胶片的
A．互易律失效
B．间歇曝光效应
C．反转现象
D．静电效应
E．压力效应
参考答案：C
解析：曝光量过度，影片密度反而下降，其原因是胶片的反转现象。反转现象的产生是潜影溴化的结果。
| 35．Applications put computers to pratical business (1) , but below the (2) it’s the heart of an operating system—the kernel that provides the technical wizardry to juggle multiple program, connect to networks and store (3) . A traditional kernal provides all the functions for applications. The kemal (4) memory, I/O devices and parcels out processor time. The kernel also supports security and fault (5) , which is the ablity to recover automatically when parts of the system fail. |
(5)
A．addition
B．combination
C．difference
D．condition