The passive QUIZ 1Who the first heart transplant (perform) by? 2When contact lenses (invent)? 3What (add) to toothpaste to help protect teeth? 4Which vitamins (find) in fish? 5What (develop) in the 1800s as a painkiller? 6How much water (need) by the body every day? 7How many blood groups (discover) in 1909 by Karl Landsteiner? 8Which woman (give) the Nobel Prize for Chemistry in 1911? 7 Match the questions (1–8) in Exercise 6 with the answers (a–h). a Four. b A and D. c Marie Skłodowska-Curie. d Christiaan Barnard. e About two litres. f Aspirin. g In 1887. h Fluoride.
1. Who was the first heart transplant performed by? D
2. When were contact lenses invented? G
3. What is added to toothpaste to help protect teeth? H
4. Which vitamins were found in fish? B
5. What was developed in the 1800s as a painkiller? F
6. How much water is needed by the body every day? E
7. How many blood groups were discovered in 1909 by Karl? A
8. Which woman was given the Nobel Prize for Chemistry in 1911? C