【单选题】How could they ______ that the police officer had punched the suspect without knowing the facts?
【单选题】The police officer told his men to pay more attentionto the man who _______ at the entrance of the hall with a package under hisarm.
【单选题】vc++中常数020表示十进制数__________。
【单选题】在计算机科学和计算机应用领域中,常用十六进制数表示二进制数是因为()
A.
在计算机内部十六进制数比二进制数占用较少空间
【单选题】The police officer is determining who is going to be responsible()the traffic accident.