The girl______ (teach) us English on Sundays.
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She and I _______(take) a walk together every evening.
There_______ (be) some water in the bottle.
1.通过紫外线照射实现擦除的芯片是()
A. DRAM
B. SRAM
C. EEPROM
D. EPROM
下列哪一个是以电容作为存储元的,需要定时刷新()。
A. DRAM
B. SRAM
C. PROM
D. EPROM