Approve or disapprove the following statements:
1. Antibiotic substances encourage the growth of microorganisms.
2. Penicillin is the last antibiotic to be produced.
3. Antibiotics are simpler rather small molecular weight substances whose synthesis may be extremely easy.
4. Chloramphenicol can be obtained from the filtrate of various carbohydrates cultures by extraction with ethyl acetate.
5. Chloramphenicol is slowly absorbed from the gastrointestinal tract.
6. The drug is longer detectable in the blood after 12 to 18 hours.
7. Chloramphenicol is marketed in suppositories.
2. This young man not yet 20 years old. We are the same age.
3. This two-year baby – my niece. Her full name is Patricia, but everyone calls her Pat.
4. Helen is 3 years younger than me. Last month she was 15 years old.
5. My older sister Lena is nearly 20 years old. She is 2 years older than me. Among her classmates she's the oldest.
6. Who's older, you or mark?
7. Who is the youngest in your family?
8. My father is a middle-aged man, to be precise, he's 38.
9. To the senior from three brothers already 30.
10. My younger brother is fond of architecture.
11. My school friend Katty is learning to be a doctor. She hopes to become a good specialist.
12. By profession my mother is economist. But now it's not working, she is a housewife.
13. I sew well, but I still really want to learn to knit.
14. My girlfriend is studying at University in the second year. She is studying biology and chemistry.
15. - Does your cousin have any specialty?
- Yes, he works as a driver.
16. Although Martin is a Swede, he lives in Denmark and knows Swedish, English and Danish languages.
In Great Britain school begins at the age of four or five. Many boys and girls usually leave school at the age of sixteen.
In England the school year begins in September, but not always on the first day of the month.The weather is usually fine.
Little children go to school with their parents. They look so clean and nice and don't have any bags or books with them. Pupils will get them later. They will get exercise books, pencils, pens, rulers and rubbers too.
Classes usually begin at nine. Their classes are not always formal. They often sit on the carpet on the floor and listen to their teacher.
English pupils often play outdoors.
English children have classes five days a week. Saturdays and Sunday are their days off.
At the age of five primary school children go to infant. They play different games, run and jump.
They learn how to get on with other children. Their classes are informal, but they learn to read, count and write a little too.
Their subject are: English, Maths, History, Nature Study, Geography, Art, Music.
They visit different museums and other famous and interesting places