Scientists are working on new devices currently. Some of them are improving solar-energy cars. Others work on a new machine that will produce artificial eyes and hands for the disabled. Another group of scientists has developed devices to cook faster. Finally, some are trying to develop a machine that will prevent fires. According to the paragraph above, scientists are - - - -.
- A) working on healthy food
- B) designing cars for the disabled
- C) inventing houses that use solar energy
- D) developing devices to help people
Cevabı göster
Doğru cevap: D) developing devices to help people