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【简答题】
三糖铁琼脂培养基中,酸碱指示剂为 ;其在酸性条件下呈现颜色为 ;在碱性条件下呈现颜色为 。
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【简答题】如何查看/etc所占的磁盘空间情况。
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【单选题】The number of people who ________ cars ________ increasing in our city. [ ]
A.
owns; are
B.
owns; is
C.
own; are
D.
own; is
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【简答题】The United States became a rich industrial nation toward the end of 1800s. There were more goods, more services, more jobs, and a higher standard of living. There was more of everything, including pro...
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