3 Read the text again and answer the questions. 1 What was the first name for the internet?
2 Who used the internet in the early days?
3 What did Ray Tomlinson do?
4 Why did Tim Berners-Lee use the symbol 'ch'
in his website address?
5 Why did universities create search engines?​

1. Never walk alone late in the evening or late at night.

2. Never speak first to strangers in the streets.

3. If you see strange people - choose another way.

4. Be calm. Don't be nervous. Don't show you are afraid of the stranger.

5. Never brandish any attractive or expensive things to strangers.

6. Don't shout and don't make noise in the street; don't switch on loud music.    

7. Follow the traffic rules.

   Don't take a lift if the driver is a stranger.

8. Avoid having conflicts with drunk people.

9. You cannot walk large dogs without a muzzle, a leash. - Нельзя выгуливать  больших собак без намордника, поводка.

10. Don't litter and don't spit on the pavement in the street!

    (Don't throw rubbish in the  street!)

11. Tell the parents where and with whom you are going.

12. Cross the road at  “zebra”  crossings!  

(Look left and right before crossing the road)  

13. Cross the road under  green lights!  

14. Don't cross the road under red lights!  

15. Don’t eat any food or drinks!

What you need to do that would be healthy?
1. Breakfast.
Breakfast is perhaps the most important meal of the day. On the one hand, it is sometimes the only chance to get the necessary dose of calcium by eating your morning yogurt, cheese or milk. On the other hand , just look at the results of the research to see that those who regularly have breakfast , less likely to face the problem of obesity and easier experience premenstrual syndrome .
If you do not have time to calmly and full breakfast - keep it in the refrigerator for several hard-boiled eggs , apples or yogurt . Eating it on the way to work , you compensate for the lack of normal breakfast.
2 . Take care about protecting their skin.
Harmful ultraviolet rays attack our skin not only in summer but also in any other season . Under the influence of the sun breaks in the skin substance responsible for its elasticity - collagen. Every day before leaving the house should definitely apply to face, neck and shoulders protective cream .
3 . Be sure to brush your teeth twice a day.
It is necessary to take care of your teeth. Brushing your teeth should be regularly and carefully . However, too frequent cleaning can cause serious damage to the enamel , so it is best limited to two time per day . During the day, do not forget the dental floss and special oral rinses .
4 . Deep breathing .
Devote at least 5 minutes a day deep breathing . To five minutes to feel a surge of courage and strength , just sit back and breathe deeply , filling the body with oxygen . The results will surprise you .
5 . Do not forget about vitamins.
Although research has shown that taking a multivitamin does not affect heart disease and cancer, but doctors still recommend taking them. In vitamin complexes contain iron and vitamin D, are often absent in women. Iron is a very log for the female body . Lack of it in the body leads to anemia and infertility . In addition, the shortage of iron, which is a carrier of oxygen in the blood , a person becomes lethargic and sleepy , and the brain and internal organs can not work normally.
6. Healthy sleep .
Normal sleep should last from 7 to 9 hours. Those people who sleep less often suffer from nervous disorders , obesity , diabetes and hypertension. But if you can set up your day to sleep at least 7-9 hours , then after a week you will see positive changes in mood and appearance.