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【单选题】
Dear Mayor , We are going to send one of our directors, Mr. Smith to Hamburg to establish a branch company. We are writing to introduce him to you and we would be very grateful if you would extend to him courtesy and help ... This is from a letter ________.A.
to recommend someone
B.
to introduce someone
C.
to thank someone
D.
to congratulate someone
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反馈参考答案：
举一反三
【简答题】求积分 其中,
【简答题】抽象劳动是()的唯一源泉
【判断题】许多学校都有建筑概论课,其内容从列举建筑业的诸方面到回顾人类建筑活动的历史进程。 Many schools have the course --an introduction to architecture, which Outlines the history of the construction industry and the history of human construction a...
A.
正确
B.
错误
参考解析：
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