1. First, open the cloud classroom service of Henan Education with your mobile phone, and then carry out the cloud classroom service. Click on the learning center, and then click on the services and papers to be tested.
2. Secondly, after the user enters this page, he can see the words "Start the exam" at the bottom of the page, click Enter, click Submit after the answer is completed, and the software will automatically review and grade the questions according to the user's answers.
3. After all the above steps are finally completed, you can check the correct answer on the new page.