1. Blank means to supplement or explain an idea or event so that readers can understand its meaning and background more clearly. In argumentative writing, filling in the blanks can help the author to better explain his point of view and provide more evidence and materials to support his argument. The author can describe in detail the impact and harm of global climate change and the necessity of taking environmental protection measures by filling in the blanks.

2. Blanking refers to leaving some blanks in the article to highlight the key points or let readers better understand the theme and structure of the article. Blanking can be achieved by omitting some unnecessary details or keeping the article concise in some way. When discussing scientific and technological innovations, the author can only introduce several major scientific and technological innovations in the article, and keep other aspects concise to highlight the key points and themes.

3. Proper use: Fill in blanks and leave blanks properly. Too much or too little blank filling or blank space will affect the quality and effect of the article. Logic: Fill in the blanks and fill in the blanks should be logical, and you can't deviate from the theme or make readers ambiguous because of filling in the blanks. Highlight the key points: leave blank to highlight the key points and themes of the article, so that readers can better understand the structure and ideas of the article.

Related knowledge of argumentative writing

1. Argumentative writing elements: Argumentative writing usually includes three elements: argument, argument and argumentation. Argument is the viewpoint or proposition that the author wants to express, argument is the evidence and material to support the argument, and argument is to organically combine the argument and argument to explain the reasons and basis for the establishment of the argument.

2. Argumentation methods: Argumentation methods include inductive argument, deductive argument, analogy argument, causal argument, etc. Inductive argument is to draw a conclusion by enumerating multiple facts or data; Deductive argument refers to drawing conclusions by citing known facts or principles; Analogy is to draw a conclusion by comparing similar things or situations.

3. Structure of an argumentative essay: An argumentative essay usually consists of three parts: the beginning, the theme and the end. The beginning part introduces the argument, the main part expands the argument, and the end part summarizes the point of view. In the main part, the article can be organized according to the ideas of asking questions, analyzing problems and solving problems, which makes the article more coherent.