Упр.99 Unit 3 ГДЗ Enjoy English 11 класс

Work in pairs. Answer the questions.

• How can nanotechnologies be helpful in the future? Make a list of ideas.
• What are some of the dangers of this scientific invention?
• Find sentences and phrases in the text that indicate further research is needed.

Nanotechnologies can be helpful in the future in many ways. They can be used in medicine to treat diseases, in industry to make stronger and lighter materials, in electronics to create smaller and faster devices, and in environmental protection to clean water and air.

Some of the dangers of this scientific invention are that nanoparticles may be harmful to people’s health and the environment. They can be difficult to control, and scientists do not yet know all the possible long-term effects.

Sentences and phrases that indicate further research is needed:

• more research is needed
• scientists still do not know enough about the possible risks
• the long-term effects are not yet clear
• this invention needs to be studied further