In the process of drawing quasi-flow chart, it can be arranged vertically or horizontally.
When the paper is put into storage, it should be bound into a book, put together with others' and have a unified format. When we do the papers, we all require the same format, which is convenient for management and inquiry.
Question 1:C
Question 2:B
Question 1: Test and analysis: China's photovoltaic products are mainly sold to the European Union and other countries, and