A、1.
B、2.
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1620627875565329d3dbb2ae740a789865ddad85b2ddbimage33.png"style="width:16px;height:41px;"/>.
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/162062787559512ca36111e704706bcdb6f230b8b20adimage34.png"style="width:14px;height:41px;"/>
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