What bills are invalid?以下那些票据是有效的?()
A. Pay to M Co. or order the sum of one thousand US dollars.”
B. Pay to M Co. providing the goods they supply are complied with contract the sum of one thousand US dollars.”
C. “Pay to M Co. out of the proceeds in our No. 1 account the sum of one thousand US dollars.”
D. “Pay to M Co or order the sum of one thousand US dollars and charge/debit same to applicant’s account maintained with you.”
E. “Pay to the order of ABC Co. the sum of one thousand US dollars plus interest
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X62W型铣床进给传动系统中,接通慢速移动的是()离合器。
在以拨号方式入网的情况下,通常用户的电子邮件信箱设立在()。
A. 用户自己的微机上
B. 用户的入网服务商的主机上
C. 和用户通信的人的主机上
D. 根本没有什么电子邮件信箱
通过二次造粒进行水解进料。
A. 正确
B. 错误