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请翻译此段: Mitochondria are the sites of energy-yielding chemical reactions in all cells. In addition, plant cells contain plastids that utilize light energy to manufacture carbohydrates in the process of photosynthesis. It is on the large surface area provided by the inner cristae of mitochondria that ATP-generating enzymes are located. Mitochondria are self-replicating, and probably they are the evolutionary descendants of what were once free-living prokaryotes.
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【单选题】、单项选择 1. —____ do you usually do your homework every day?—At about 5:30 in the afternoon. A. How B. What C. What time 2. Wang Hao seldom...
A.
选择题
B.
单项选择
【单选题】在Excel 2010中，若需要将工作表中某列上大于某个值的记录挑选出来，应执行数据菜单中的______。
A.
排序命令
B.
筛选命令
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分类汇总命令
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【单选题】在Excel 2010中,若需要将工作表中某列上大于某个值的记录挑选出来,应执
A.
据选项卡中的（ ）。
B.
排列命令
C.
筛选命令
D.
分类汇总命令
E.
合并计算命令
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