阅读理解。 In the U.S.A. or Canada, on Sundays many people go out for a picnic. They often ask their good friends to go with them. They bring many things with them, like glasses, kites, knives, some nice food and some nice drink. Sometimes (有时), they take their pets with them. If (如果) it is very fine, they may have their food in a park (公园), in a countryside (乡村), or at the foot of (在……脚下) a hill. That's great fun. (     ) 1. People in the U.S.A. don't like to go out for a picnic on Sundays. (     ) 2. They often go for a picnic with their good friends. (     ) 3. They don't like to bring pets with them. (     ) 4. In Canada, only kids have picnics. (     ) 5. People can't eat in a park in Canada.