答案:【计分规则】: (1) Searching for new transformation methods. e.g.① Catalytic plasma ② Electrochemical conversion ③ Photo and other radiation conversion ④ Microwave heating(2) Searching for safe and effective reaction conditions. e.g. ① Looking for a safe and effective catalyst (loading of active components, replacing liquid acid with solid acid) ② Looking fora safe and effective reaction medium (two-phase catalytic method using supercritical fluid as reaction medium and water as solvent).