A 1 B 2 C 4 D <img src="https://www.beizhujiaoyu.com/uploads/202208/164672766323291.png" width="30" height="18" />

A 0．9 B 0．5 C 0．4 D 0．2

A <img src="https://www.beizhujiaoyu.com/uploads/202208/164672767160371.png" width="90" height="28" />  B <img src="https://www.beizhujiaoyu.com/uploads/202208/16467276764261.png" width="89" height="28" />  C <img src="https://www.beizhujiaoyu.com/uploads/202208/164672768047591.png" width="89" height="27" />  D <img src="https://www.beizhujiaoyu.com/uploads/202208/164672768323631.png" width="90" height="28" /> 

A <img src="https://www.beizhujiaoyu.com/uploads/202208/164672769497551.png" width="15" height="32" />  B <img src="https://www.beizhujiaoyu.com/uploads/202208/164672769899071.png" width="16" height="32" />  C <img src="https://www.beizhujiaoyu.com/uploads/202208/164672770314611.png" width="16" height="32" />  D <img src="https://www.beizhujiaoyu.com/uploads/202208/164672770778081.png" width="16" height="32" /> 

A 2 B 4 C <img src="https://www.beizhujiaoyu.com/uploads/202208/164672771232861.png" width="30" height="18" />  D 8

A (0，1) B (1，0) C <img src="https://www.beizhujiaoyu.com/uploads/202208/16467277166121.png" width="59" height="33" />  D <img src="https://www.beizhujiaoyu.com/uploads/202208/164672772271581.png" width="59" height="33" /> 

A <img src="https://www.beizhujiaoyu.com/uploads/202208/164672772585581.png" width="16" height="32" />  B <img src="https://www.beizhujiaoyu.com/uploads/202208/164672773048501.png" width="16" height="32" />  C 1 D 3