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【简答题】
设某测试系统中，1号端口为测试口，所得数据是0~9之间的十进制整数；2号端口为显示口，对应于数字0~9的LED七阴显示码依次为：3FH、06H、5BH、4FH、66H、6DH、3DH、07H、7FH、6FH。编写一段送显的程序，要求：先从测试口读入一个数据，再将相应的显示码从显示口送出，如此反复进行直至读入数据“0FFH”为止。
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【单选题】If you are interested,we will send you a sample lot charge.
A.
within
B.
for
C.
free of
D.
with