【单选题】中国科学引文数据库提供的检索方式有()。
【单选题】The guy tried to run away but the policeman caught him by ___ the collar of his coat.
【单选题】The guy tried to run away but the policeman caught him by ___ the collar of his coat.
【判断题】【课堂练习 3 】对于库存现金和银行存款之间相互划转的经济业务只编制收款凭证。 ( )
【单选题】根据某城市电话网400次通话调查得知每次通话持续时间为5分钟,标准差为2分钟,请以95%(t=1.96)的把握程度估计该城市每次通话的平均持续时间为()
【单选题】中国科学引文数据库提供的检索方式有( )。
【简答题】The guy tried to run away but the policeman caught him by the collar of his coat.
【单选题】The guy tried to run away but the policeman caught him by ( ) the collar of his coat.
【单选题】The guy tried to run away but the policeman caught him by ( ) the collar of his coat.