题目

阅读理解 Rescue officials in Poland are working quickly to clear one of the country's highways. The roadway is covered with a sticky brown material. It is blocking cars from both directions. What is causing the mess? Milk chocolate. The problems began early Wednesday, after a huge truck carrying many tons of liquid chocolate overturned. Chocolate spilled out. It spread across six driveways of Poland's A2 highway. The liquid chocolate solidified（凝固）as it cooled, causing even more difficulties. The accident happened near the western Polish town of Slupca. Bogdan Kowalski is with the 在格子里涂色表示下面的百分数．