What is the proper way to clarify a subject that your audiences know little about（）
A. You can use simple and clear language and some rhetorical devices
B. You can use some very technical terms
C. You can use lots of gestures
D. You can use casual and random language to clarify
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our catalogues for your reference（）
A. Enclosing
B. Please find enclose
C. Enclosed please find
D. Enclosure
It is strongly advisable thatwhen replying to an inquiry, the seller starts his letter by（）
A. directly informing about the prices
B. providing details of the product
C. telling honestly that the productis out of stock
D. thanking the inquirer for his interest
We look forward to（）from you soon
A. hear
B. hearing
C. have heard
D. having been hearing
we are not in a postion to offer firm, as the goods are（）
A. without stock
B. from stock
C. out of stock
D. outside of stock
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