A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15045940363575ec4cc366877435da7442b8cdaaebfa6image7.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15045940364542481f8f1e1d942c8b800729739a587d0image8.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1504594036533e0edce90ee5348d2b0a5ee6ca5512728image9.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15045940366108081a25236f946f58d40508f9a8b854dimage10.png">
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