听过羊、狼和青菜过河的故事吗?怎样使它们安全渡到河对岸,伤尽了好多人的脑筋,因为船每次只能带一样过河,而且留下的两种不能相克(呵呵,不知各位听得懂否)。本挑战赛共五关,第一关里有一人划船,目标是把羊、狼及包心菜安全送到对岸,每次可先单击操作钮区想要渡过的种类钮(如图),然后单击“GO”使船划到另一边,再单 Have you heard the stories of sheep, wolves, and greens crossing the river? How do you make them safely across the river? It hurts the brains of many people because the boat can only cross the river one at a time, and the two remaining can’t match each other ( Oh, I do not know if you understand it.) There are five levels in this challenge. There is a boat in the first level. The goal is to safely send sheep, wolves, and cabbage to the opposite shore. Each time you first click on the type button you want to spend on the operation button area (pictured), and then Click “GO” to move the boat to the other side, and then single