A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15289536284078515c434643d47f0b28a48661bbb7307image28.png">
B、1
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1528953628491517b9f691b714e81a486d619a65692cdimage29.png">