Central argument: Social media has both positive and negative effects on the growth of teenagers. Actively affect the improvement of social skills. Social media provides a broad social platform for teenagers, which helps them to expand their social circle and enhance their communication skills.

A new way to get information. Social media makes it easier for teenagers to get all kinds of information, including news, knowledge and entertainment, and broadens their horizons. A platform for personality expression. Social media provides a platform for teenagers to show themselves and express their views, which helps to cultivate their independent thinking and innovation ability.

Negative effects indulge in virtual worlds. Excessive use of social media may lead teenagers to indulge in virtual worlds, affect their study and life, and even lead to lack of sleep and health problems. Privacy risk. On social media, teenagers are prone to disclose personal information, and there is a risk of privacy leakage, which may be used by criminals.

Psychological pressure increases. There are various comparisons and evaluations on social media, so teenagers may feel more stressed and have psychological problems such as anxiety and depression. Although social media has a positive effect on the growth of teenagers, its negative impact can not be ignored. Parents, schools and society should pay attention to teenagers' use of social media, guide them to use social media rationally and promote their healthy growth.

Argumentative writing skills:

1. Reasoning before discussion: reasoning is the core point of view, and discussion is the method to solve problems. Reasoning should explain the truth, and then talk about the problem or conclusion.

2. Clarify the theme: The theme is the basic idea and idea expounded by the theme of the article, and it is also the core of writing.

3. Material selection: writing should have its own point of view, and material selection should be selective. You can combine examples and arguments to concretize the truth and then expound the argument.

4, language refinement: language refinement, mainly from between the lines to understand the charm of argumentative language expression.