| 1 | Getting an injection can prevent and treat some serious illnesses. | |
| 2 | In Africa, projects might also deal with AIDS and HIV. | |
| 3 | The government is taking measures to prevent and control the impact of sandstorms on the environment. | |
| 4 | Controlling overeating and lack of exercise play a key role in preventing and treating obesity. | |
| 5 | Faced with climate change, the world needs to unite to prevent and control climate disasters. |