判断题

【判断题】常用游标量具有游标卡尺、深度游标卡尺和高度游标卡尺。

答案: 正确
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问答题

The Civil War not only put an end to slavery, but also decided that America was a single, indivisible nation.

答案: The American Civil War, which took place from 1861 to 1865, ...
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