A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/151634110753368ce67773f154df18aca9b2514c5628dimage5.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1516341107640c6816c3ae6b145228ff74800b176fefbimage6.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1516341107778ed287f65f92946b9bbbf24caac55fc15image7.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1516341107906f76651dbbaa44e589a977cac3d00c75eimage8.png">
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