A. energetic B. depressed C. cheerful D. anxious
A. discovered B. thought C. calculated D. happened
A. high B. low C. infectious D. painful
A. be pictured as B. be impressed as C. be considered as D. be celebrated as
A. interesting B. fascinating C. terrifying D. unusual
A. completely helpful B. extremely useless C. completely necessary D. extremely normal
A. completely similar B. completely different C. completely abnormal D. completely interesting
A. faint sign B. small evidence C. big sign D. big evidence
A. 锁存器 B. 触发器 C. 三态门 D. 靠电容器上的充放电荷
A. 具有RAM的特点,无ROM的特点 B. 既具有RAM的特点,又具有ROM的特点 C. 无RAM的特点,但具有ROM的特点 D. 具有寄存器的特点