A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/16206278749421cace4726ad24d6e995e6f48ddf857c5image18.png"style="width:34px;height:18px;"/>为无穷间断点.
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1620627874974e347e9ed079b4329ac334fca0d83acdcimage18.png"style="width:34px;height:18px;"/>为震荡间断点.
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1620627875006a4e9db899cd04c9f93291af89e5b8227image18.png"style="width:34px;height:18px;"/>为跳跃间断点.
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/162062787506135d8ea53882d46d2864f105065d0c3cbimage18.png"style="width:34px;height:18px;"/>为可去间断点.
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