A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/151609248684110f5d1df1f55481291a7f1f7e4a65589image22.png"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1516092486938d652f1e045c64abd837316c0f6df0af5image23.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1516092487072051e38e413414f29bddae60a8a730f35image24.png"/>;
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1516092487178fb8a41cce3794b13a473d19549de4b2fimage25.png"/>
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