1. Much later, people’s living conditions improved, but they suffered from natural disasters and diseases, so their greetings changed from‘无它乎’to‘吃了吗’. ( )
举一反三
- Too much ________ dirty air can cause people to suffer from allergies and diseases that will eventually affect people’s health.
- As the ( ) develops, the living conditions of the people have been improved accordingly.
- People's understanding of immunity started from infectious diseases and anti-infection immunity.
- In digital age, people’s reading habit has changed from reading to scanning.
- People's understanding of immunity started from infectious diseases and anti-infection immunity. A: 正确 B: 错误