Make questions and negations in present perfect. 1) her teeth yet. 2) you already the new exhibition at the museum of modern art? 3) she the guitar for some years. 4) charles and so far, have they? 5) you 6) to any party for three months. 7) he his article? 8) where ? 9) the yet.

1 she hasn't

2. have you already

3. she has

4.

5. what have you done?

6. we haven't been

7. what has he

8. where has kate been?

9. the snow hasn't stopped yet.

1) not her teeth yet.

2) you already __been the new exhibition at the museum of modern art?

3) she __has the guitar for some years.

4) charles and not got so far, have they?

5) what__have __ you

6) not to any party for three months.

7) he his article?

8) where __has__ ?

9) the show__has not stopped__ yet.

1) Environmental issue - a change of the environment as a result of human impact or natural disasters, leading to disruption of the structure and functioning of nature.Environmental issue is determined by the change in the properties of landscapes, and the degree of its manifestation may be characterized by the intensity and areal extent of these changes, as well as the nature of the properties (attributes) of individual problems.Conventionally, the whole problem of the degradation of the global ecological system can be divided into two parts: the degradation of the natural environment as a result of poor environmental pollution and its human waste deyatelnosti.V recent times environmentalists began to call another global environmental problem - the problem of the greenhouse effect.2) Ecology of Russia is characterized by a large number of different environmental problems. Many of them went to Russia inherited from the Soviet Union, where economic management often led to environmental pollution, especially in heavy industry and mining. While often considered authority environmental concerns irrelevant and unnecessary. As a result, according to some estimates, about 40% of the territory of Russia by the end of the 1990s. experienced the serious environmental problems such as deforestation, contamination, pollution of air and water. According to official figures, 15% of the territory of the Russian Federation, where approximately 60% of the population, environmental quality is poor.

Один из самых восхищенных людей в моей жизни - моя мама. Сердце матери любит его детей во всех ситуациях, с тех пор, как один и незабываемый день в жизни матери берет ее ребенка в его руки. Желание воспитать ребенка, который выполнит все надежды и ожидания с этого дня, является всеми мыслями о матери и только ребенке, теперь полностью принадлежавшем ее любящему сердцу матери. Мы должны любить нашу жизнь, для того, что она дала нам свою мать - веселое, искреннее, доброе, мудрое. В конце концов, сколько детей в этом мире лишено счастья. Сердце матери и безграничная материнская любовь не теплые их, не заполняйте их детское значение жизней.