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某人在公共场所吸烟影响其他人，其行为产生( )。A、正的外部经济影响B、负的外部经济影响C、消费的排他性D、消费的非排他性

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职场写作：如何写传真
Fill in the blanks according to the information in the bracket.
Dear Miss Wang Li,
About the preparation for the meeting
As next Wednesday’s meeting is very important to us, we want to know 1)___(会议准备情况如何). Please inform us of 2_ (最新进展) as soon as possible.
Yours Sincerely,
Rong Fei

答案： (1)
how the preparation for this me...

单项选择题

天津新泉海水淡化工程是从2004年开始动工建设的.

A.正确
B.错误