Wake up, it is summer!

The summer season makes most of us feel good, and science (1) believe that they have discovered the reason for this. Bright light makes you feel more

wake (2) and helps you feel better. Travel (3) through the eye, light sends a message to the part of the brain responsible for sleep and appetite. So in the summer months as sunlight is increase (4), your energy level goes up, thus decreasing the need to eat and sleep. In add (5), the heat from the sun also produces a calming affect (6) as it reduces blood pressure, resulting in a feeling of relax (7).

Sea and mountain air are also benefit (8) in summer as they make you breathe more deeply, increasing the take (9) of oxygen in your blood. For some people, however, there is a negative side to summer. Those suffering from low blood press (10) may experience feelings of tire (11) and anxiety at this time of the year. Experts norm (12) advise such people to take up exercise and to add more salt to their diet. So feel completely fresh (13) in summer!

6. Образуйте соответствующее однокоренное слово.

Medical smile

According to the recent find (1), you not only laugh more when you are relaxed, but you also relax when you laugh, and it has been found that when you’re on holiday it is ease (2) to do both. But for some people laugh (3) is not just a pleasure, it is a way of fighting ill (4). Some hospitals have begun to bring in clowns to relieve the silent, depress (5) atmosphere, special (6) in children’s wards. This scheme is called “Medical Smile” and it helps sick children in a way, that doctors, with all their know (7), can’t do. The effect of clowns is more than psychological. Laughter helps to strong (8) the immune system, which is the part of our bodies that increases resist (9) to diseases. We inhale more oxygen when we laugh, and our heartbeat becomes more rhythm (10). Hospital clowns are becoming increase (11) popular because of the positive effect they have. They both relief (12) depression, which tends to make illnesses even

bad (13), and give people the will to fight their illnesses themselves.

7. Выберите подходящее слово из предложенных двух вариантов.

Sleep is vital

T otal sleep deprivation/deprive (1) in rats leads to death. These animals show weight loss despite greatly increased food consumption/assumption (2) suggesting extensive/excessive (3) heat loss. The animals die, for the reasons yet to be explained, within 10 or 20 days, faster than if they were totally/extremely (4) deprived of food but slept normally.

In humans, a very rare degenerative/regenerative (5) brain disease called familiar/familial (6) insomnia leads to death after several months. Whether the sleep loose/loss (7) itself is fatal or other aspects of the brain injury/damage (8) are to blame is not clear. Sleep deprivation studies in humans have found that sleepiness increases with even small reduction in overnight/nightly (9) sleep duration. Being sleepy while driving or during other activities that require continual/continuous (10) vigilance is as dangerous as consuming alcohol prior to those tasks/assignments (11).

8. Образуйте соответствующее однокоренное слово.