Choose the correct answer.
1. Pasteur used his work on pasteurisation to
A. move his specialisation to microbiology.
В. find ways to protect food and people from infection. С. make a theory of germs.
D. prevent microorganisms being in the air.
2. Pasteurisation ...
A. kills only dangerous microorganisms. В. works for a limited time.
С. doesn’t work with wine.
D. kills all the microorganisms.
3. Pasteur’s vaccinated animals A. recovered from the disease. В. died from the disease.
С. didn’t suffer from the disease. D. didn’t catch the disease.
4. Pasteur became a hero when ... A. he invented pasteurisation. В. a vaccine saved a boy’s life. С. he discovered vaccines.
D. a colleague developed a rabies vaccine.
5. Because of Pasteur ...
A. we eat less tasty food.
В. there are no germs anymore.
С. many serious diseases are rare. D. we don’t need to keep food cool.

andrewgray    2   15.02.2020 18:35    8