5. h          causing damage (損壞)or injury to sb. /sth. , especially to a person's health or to the environment

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(   ) 4.——What are you looking for,Michael?

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科目：初中英語 來源： 題型：

      Have you ever paid attention to the Air Quality Index (空氣質(zhì)量指標(biāo)）or AQI reported in the newspaper? The AQI helps us understand what the air quality around us means to our health. The AQI uses colors,numbers and words to tell us about the air. Let's see what these colors and numbers mean.

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    AQI numbers

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    Yellow

    51-100

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    Purple

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    根據(jù)短文內(nèi)容，選擇最佳答案。

    (   ) 1. If the Air Quality Index is    ， the air quality is good for most people.

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 I often see some homeless people on the corner of the street. It used to make me uncomfortable to see them,and I had to ask myself, "  1 ？"

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