A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1498618502430ddf2167307ca401a8e78209412190bf8image11.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/149861850248722f1965fa6034cdd87925204a1871aacimage12.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1498618502539e8e8b2354a7a420c843e9a4d5988ae2eimage13.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1498618502600df4ae2184cc14cd7af708372f4d36968image14.png">
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