题目

Every country has its favorite food. Italians (意大利人) like to eat pizza. Indians (印度人) like to eat hot food. Japanese like to eat fish.In England, one of the most (最……的) popular kinds of food is fish and chips. People usually buy it in a fish and chip shop. They put it in paper bags, and take it home, or to their workplace. Sometimes they eat it in the park or on the road. The world’s favorite food is American fast food. If you go to some important cities in the world, you can find people eating hamburgers and chips. Fish and chips, and Chinese take-away food are very po下列结论：(1)两个符号相反的数是互为相反数；                          (2)若两个数的和为零，则这两个数互为相反数；(3)若两个数互为相反数，则这两个数一定是一个正数，一个负数；  (4)π的相反数是-3.14．其中正确的有A.1个B.2个C.3个D.4个