题目内容

1 树池式种植行道树，方形树池适宜的尺寸是？

A. 1MX1M
B. 15MX15M
C. 2MX2M
D. 25MX25M

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4. When the letter needs to be conveyed to other relevant people, besides the person(s) chiefly in charge, _____may be used. A

A. a carbon copy notation
B. postscript
C. enclosure notation
D. reference number

3. The _____ contains only the key words, indicating the major information of the letter and helping to ensure the letter is passed to the right person without delay.

A. reference number
B. enclosure notation
C. subject line
D. carbon copy notation

2. When the writer wishes to direct the letter to a particular person or department who takes care of the business, he will add the _____.

A. reference number
B. subject line
C. postscript
D. attention line

1. All the following are optional parts of a business letter except______.

Attention Line
B. Enclosure Notation
Complimentary Close
D. Postscript