单项选择题

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A.Because it is required of all science majors.
B.Because it was made in New York City.
C.Because it will be shown after working hours.
D.Because it will be helpful course work.
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问答题
Suppose that you are the president of Peking University of Traditional Medicine and invite Prof. Hopkinson, an American medical expert, to attend a conference held in Beijing on 1st December, 2006. You want to write a letter of invitation to Prof. Hopkinson. You should write appropriately 100 words. Do not sign your own name at the end of your letter. Use Li Ming instead. You do not need to write the address.
单项选择题
A.The quality of steak.B.The falling price of beef.C.The rising price of beef.D.The price of bee
A.The quality of steak.
B.The falling price of beef.
C.The rising price of beef.
D.The price of bee
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