A.The man's telephone number is 647-0547.
B.The man's telephone number is 643-0547.
C.The man was scheduled to meet the doctor at 8:15 A.M. Thursday.
D.The man was scheduled to meet the doctor at 8: 00A.M Thursday.
第4题
架线电机车巷道允许的风速范围为()m/s。
A 0.15~4.00
B 0.25~4.00
C 0.25~6.00
D 1~8
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