A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/152600491477040639d0e4fd442f9b83d333450943ceeimage17.png"/>
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1526004914853b9cc928912034031a7394ab420704791image18.png"/>
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15260049149384ac6f00c58e0428993c75b039965ffd8image19.png"/>
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15260049150568fc98c377ff54d419c62cb9707b69554image20.png"/>
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