A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/16206272141553c7635fc85fa49229f6fcc08fd33bf8eimage26.png"style="width:37px;height:18px;"/>为无穷间断点.
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1620627214190608c9acf70444488b2f445337012eb8fimage27.png"style="width:37px;height:18px;"/>为震荡间断点.
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/162062721423715ef1bed5d484f35af5f5bf96effc390image28.png"style="width:37px;height:18px;"/>为跳跃间断点.
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/16206272142756eb86cd364004a17a284a9ac909cd8bfimage29.png"style="width:37px;height:18px;"/>为可去间断点.
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