若短浮点数IEEE754编码为10111111010000000000000000000000,则其代表的十进制数为多少?
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已知大写字母A和小写字母a的7位ASCII码分别为1000001、1100001,请写出“Chinese”的ASCII编码字节序列。
______your parents at home last week﹖
A. is
B. was
C. are
D. were
What did you do ________ ? I went to the movies.
A. next morning
B. over the weekend
C. in the weekend
D. next Monday
He ________ in three days.A. coming back B. came back C. will come back D. is going to coming back
A. coming back
B. came back
C. will come back
D. is going to coming back