1 SPEAKING Work in pairs. Read the statements below. Which do you think are true? 1 If you take vitamin supplements, you will be healthier
2 You should drink at least eight glasses of water a day.
3 Being slightly fat is good for you.
4 Sleeping longer at weekends makes up for lost sleep.

2 Read the text and check your answers to exercise 1.
MEDICAL MYTHS
Vitamin supplements make you healthier Taking vitamin supplements was once widely believed to be a cure for many health problems. Some people like taking extra vitamins, but this can actually cause other problems including cancer.
Drink eight glasses of water a day This myth is thought to have been started by the bottled water industry. In fact, some of us need as little as a litre of liquid a day, which doesn't have to be consumed as water.Food, soft drinks, milk, tea and coffee all count.
Being a bit overweight is unhealthy It is often reported that serious health problems can be caused by obesity. However, people carrying an extra couple of kilos in weight might actually live longer.
You can catch up on lost sleep
During the week, your sleep might be disturbed by late-night study, noisy neighbours, or a night out. But forget about sleeping longer at the weekend - staying in bed too long is thought to make you feel more tired!

1. By the time the fire brigade arrives, the house will have burnt.
2 When I come, Anna will have already bought all the necessary things that you need and I'll help her to cook dinner.
3 By the time you return to this city, they will have demolished all the old houses in the center.
4. Before students write this test, they will have repeated the entire grammar material.
5. I'm afraid you won't recognize him. When you see him again, he'll have grown a long beard.
6. By the time you get back from vacation, your coworkers will have picked a new President for the company.
7 By the time the doctor comes, the patient will have been dead.
8 Before Laura goes to bed, she will have checked her children's homework. 9 Before I go to work, I'll feed the puppies.
10. Before the owner closes the store, he will have recalculated all the money.

The Astrakhan province in the majority view is southern, and therefore hot. That's why for many people it's often just a revelation that here and frosts under minus 20 degrees are not uncommon, and snow sometimes sweeps down to the knee, and you can not get by on foot only on the ice-the ice is thick. And that's why fishing is very developed in Astrakhan. Hunting is another popular activity. In hunting areas, tourists are helped to learn the habits of future production and successfully hunt. Apart from fishing and hunting, among street entertainments one can not help mentioning traditional skating and sledging. and of course people at this time go to work. Астраханская губерния в представлении большинства — край южный, а потому жаркий. Именно поэтому для многих частенько становится просто открытием тот факт, что здесь и морозы под минус 20 градусов не редкость, и снегу порой наметает по колено, и одной только пешнёй зачастую на подледном лове не обойдешься — ледок толстоват. И поэтому в Астрахани очень развита рыбалка.Охота – другой популярный вид деятельности. В охотничьих угодьях туристам узнать повадки будущей добычи и удачно поохотиться.Помимо рыбалки и охоты, среди уличных развлечений нельзя не упомянуть про традиционные катания на коньках и санках. ну и конечно люди в это время ходят на работу.