题目内容

Have you ever ____ this word?

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-The cakes weren't very good.- I thought they ____.

She went to university to learn _____. (记住,首字母要大写)

Listen and write the numbers your hear. (写出你听到的数字,只需写相应的阿拉伯数字) 1.____ 2. ____ 3. ___ 4._____ 5. ____ 6. ____ 7.____ 8._____

目前应用的碳当量计算公式较多,其中()、()、()推荐的公式应用较广泛。

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