1. What is the history of the word “vitamin”?
The word “vitamin” goes back to the Polish scientist Casimir Funk in 1912. He was studying a substance in the layer that covers rice. This substance was believed to cure a disease called beriberi.
2. Why was James Lind involved in the search of vitamins?
Funk believed the substance belonged to a group of chemicals known as amines. He added the Latin word "vita," meaning life. So he called the substance a “vitamine” -- an amine necessary for life.
4. How many vitamins do you know? Name them.
A, B, C, D, E and K. 6 vitamins
5. Which vitamin do you consider the most important for health? Why?
Vitamin A i think, it helps prevent skin and other tissues from becoming dry.
1. People spend their lives worrying about money.
2. Every day Johnny walks to a street corner and waits for the school.
3. Fiona never buys expensive clothes, does she?
4. Who helps Phil with his homework?
5. The conference is opening on the 1st of February.
6. Jill has long brown hair and big blue eyes.
7. I don't understand what you're talking about.
8. It isn't raining at the moment.
9. I have come from St. Petersburg, though I live in Moscow at the moment.
10. We have known each other since our childhood.
11. They always buy meat at the market.
12. How does your brother like his new job?
13. "What do you think of it?" — "In my opinion, it's not a very good idea."
14. She has been studying English since September.
15. What time do you usually have lunch?
16. Anna is here. She has just come.
17. Look! Ann is writing a letter.
18. How many books have you read this year?
19. "Where's your sister?" — "She is having a bath."
20. You like playing football, don't you?