Yes According to the query of China Examination Network, parallel lines need to be tested, and only by passing the test can you attend this remedial class. Xi 'an, formerly known as Chang 'an and Haojing, is a prefecture-level city under the jurisdiction of Shaanxi Province. It is the capital of Shaanxi Province, a sub-provincial city, a mega-city, a national central city, the core city of xi metropolitan area and Guanzhong plain urban agglomeration, an important central city in western China approved by the State Council, and an important national scientific research, education and industrial base.