Soluzione del esercizio 7 di Performer B2 - Workbook

Esercizi svolti per il libro Performer B2 - Workbook

Soluzione

  1. The anaesthetic properties of chloroform were discovered by Sir James Young Simpson.
  2. A lot of new medicines for diabetes have been put on the market in recent years.
  3. Researchers don't identify new types of bacteria very often.
  4. The scan wasn't invented by Wilhelm Röntgen, the X-ray was. / The scan wasn't invented by Wilhelm Röntgen, the X-ray was invented by him.
  5. When will a cure be found?
  6. Malaria can be carried by mosquitoes.
  7. Do molecular biologists analyse cells?
  8. A famous journalist is going to interview two renowned experts.