单选题：The author explains the role of food in celebrations by____

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题目内容：
The author explains the role of food in celebrations by______. A．using examples
B．making comparisons
C．analyzing causes
D．describing processes

参考答案：
答案解析：

D

DThere are an extremely large number of ants worldwide. Each individual (个体的)

分类：英语  题型：单选题
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根据材料，请在75处填上最佳答案。

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分类：英语  题型：单选题
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设nA为阿伏伽德罗常数的数值，下列说法正确的是

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What is the probable relationship between the speakers?

What is the probable relationship between the speakers?A．Salesperson and custome

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What is the woman's opinion about the course?

What is the woman's opinion about the course?A．Too hard. B．Worth taking. C．Very

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