3. The waitress tells the man to __________.
A.enjoy his food
B. drink a cup of coffee after the meal
C. order shrimp fried rice
D. o
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4. Which of the following does NOT the man order?
A.Chicken.
Beer.
C. Rice.
D. o
位元件组合 K2Y4 总共包括()位。
A. 2
B. 4
C. 6
D. 8
数据寄存器D28有()位。
A. 2
B. 8
C. 16
D. 28
数据寄存器可以用于:
A. 数据的存储
B. 数据的传送
C. 改变计数器的当前值
D. 设定定时器和计数器的设定值