A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1504594036821b47880d7bc5941fc9ad7689eb32243ceimage12.png"> <img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1504594036952dd0ca634d9e54f13bd05ab1d55058263image13.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15045940370470d212e2b84fa48119d60d397925837c6image14.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15045940371279450077806d6417ca073ac07c8ee769cimage15.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1504594037223ccf7c0e7e2d247048f89d5723c2c99caimage16.png">
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