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Fourth, due to the need to monitor teachers' course arrangement and class attendance online, with the increase in the number of students, the technical requirements for teacher management are higher.When the "S" key is pressed, the program stops. When the "G" key is pressed, everything continues.她忙蹲身施礼，言道：太太，人带来了。该剧主题是重生和救赎，聚焦底层草根家庭生活，融入“七年之痒”、“大龄剩女”等热门话题，还原了老百姓的家长里短和悲欢无奈。You can see that when you jump to SecondActivity twice, the instances are different, and you finally return to the desktop as many times as you enter. Here, I entered the SecondActivity twice, and finally exited the application from the SecondActivity for 4 times, as shown in the following figureOn winter nights, Grandma has to go to the toilet. The toilet is outside. Even if Grandpa coughs a little, he will always accompany Grandma and will not walk away.