Declarative knowledge is knowledge about "what the world is". It can be directly stated. The required psychological process is mainly memory. Procedural knowledge is knowledge about "how to do". It cannot be stated directly. It can only be inferred by some form of homework. It exists. Based on the above definition, is the following classification correct? ['"Bicycle repair" is declarative knowledge. "Music appreciation" requires procedural knowledge.', '"The capital of the United States is Washington" is declarative knowledge, "addition and subtraction" requires procedural knowledge.', '"Water boils at 100 ° C" is declarative knowledge, and "the molecular formula of water is H2O" is procedural knowledge.', '"riding archery" is declarative knowledge, "red light stop, green light line" is procedural knowledge.']