This is one of the main ways （)a business learns what customers want.

This passage is mainly about.A．the different ways of preserving foodB．why we must kill tbe

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There are many ways to learn about people of other lands. One way is to study the clothing

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What is the lecture mainly about？A．Ways to limit the expansion of international tradeB．How

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Which of the following is NOT true according to the news？A．Born This Way Foundation is fou

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In the counterculture movement in the 1960s, which of the following is NOT one of the ways

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Which of the following is the main idea of this p

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One of the effective ways to lessen environmental pollution is the reservation and protect

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