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【单选题】
只读存储器（），芯片上有一个透明窗口，可通过紫外线擦除其中内容，可多次改写。
A.
PROM
B.
EPROM
C.
EEPROM
D.
Flash Memory
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Space is a dangerous place, not only because of meteors (流星) but also because of rays from the sun and other stars. The atmosphere again acts (67) our protective blanket on (68) . Light gets through, ...
A.
from
B.
than
C.
as
D.
away