A supermarket usually has
A. lots of rooms for shoppers to sit in.
B. lots of rest rooms for shoppers to use.
C. ample space for shoppers to move round.
D. lots of rooms where new varieties of goods are on display.
查看答案
The turkey is a most popular food on Thanksgiving Day.
A. Right
B. Wrong
C. Not mentioned
Elizabeth enjoys going to work in downtown New York.
A. Right
B. Wrong
C. Not mentioned
Thanksgiving is not a truly American tradition.
A. Right
B. Wrong
C. Not mentioned
下面关于8259A可编程控制器的叙述中，错误的是
A. 8259A的命令字共有7个，分为初始化命令字和操作命令字两类
B. 8259A的命令字个数多于该芯片的I／O端口个数
C. 8259A的初始化命令字必需按一定的顺序写入
D. 8259A初始化时先写入操作命令字，再写入初始化命令字
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