(温馨提醒:试题答案为每道试题下面得黑色阴影,背景色改成无色即可显示。)A B A A B A A B B B C C A A B B C A C D C D A A A A A C B A A D A D C B C C B B D B B B A C C A B D A A B C C D A A C D C B D A C D C A C D B D D B B C D C D C D C A A C D B C D C A D A D B B D D D
)A B A A B A A B B B C C A A B B C A C D C D A A A A A C B A A D A D C B C C B B D B B B A C C A B D A A B C C D A A C D C B D A C D C A C D B D D B B C D C D C D C A A C D B C D C A D A D B B D D D
