正确答案: D

正胜邪退

题目：疾病趋向好转或痊愈是由于

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学习资料的答案和解析：

[单选题]_____ we appreciate your counter-offer, we your prices too low to be acceptable.

While

[单选题]We are not in a position to make any offer as the goods are（）.

out of stock

[单选题]Our annual sales revenue has（）since we began international trade.

quadrupled