【单选题】【消耗次数：1】
9.We should really take some effective ______ to prevent such terrible things from happening again.
①
measures
②
steps
③
means
④
ways
参考答案：
复制
纠错
相关题目
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①
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随机题目
【单选题】
下面是把一个单元区域的内容复制到新位置的步骤,（ ）步的操作有误
①
选定要复制的单元或区域
②
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③
单击目的单元或区域的左上角单元
④
执行编辑/粘贴命令或单击粘贴工具