单项选择题
From:Linda Rogers< linda@ultramai.com>To:Nicholas Taylor< tnicholas@tmail.com>Subject:Workshop date Date:July 15Dear Mr.Taylor,Please disregard the e-mail I sent you on July 13.I mistyped the date of the team building workshop.I am sorry for making you confused.It will be held on July 20,not July 29.Joan in Marketing and Edward in Sales will be going as well.Since we are able to send only three people this year,please let me know if you would like to attend so that we can make travel arrangements for you.We will need to submit the registration forms before July 17.Thank you.Linda Human Resources
Why was the e-mail sent?()
A.To cancel travel arrangementsB.To notify of a changed venueC.To congratulate a colleagueD.To correct a mistake
多项选择题 完整的预警管理体系的构成要素有().
单项选择题 31______.A.payB.lendC.spend D.save
多项选择题 事故预警应遵循的基本原则是().