A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15288736915484ac70f9912ea44cab7392daf0172d941image28.png">
B、1
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1528873691610202feae060cc47a3bb009ea3f4e329efimage29.png">