听力原文： A federal court in the United States has ruled a law passed in California, denying education, health and welfare benefits to undocumented immigrants as unconstitutional. The judge, Mary Young Lerfields said immigration affairs were the do main of the federal government, not state authorities. The controversial measure was approved by California voters in a 1994 Referendum, but has since been blocked by legal challenges. Republican governor of California, Pete Wilson who backed the law says he' U appeal. What is said about the law passed in California?