Рассмотрите фотографию О чём говорят эти дорожные знаки ​

1) what are you doing now? 2)how much is it? 3)who plays football? 4)when do you must visit your grandmother? 5)are you reading book now? 6)where do you live? 7)is he drinking coke now? 8)why are you walking now?

the white leopard lives in горнолесных areas where the obvious preference gives chernopihtovo-kedrovo-shirokolistvennym to woods on the average and headwaters of the rivers. less willingly it occupies широколиственные woods and especially пирогенные the oak forests which areas as a result of annual fires increase. its area covering earlier northeast china, the korean peninsula and the ussuriisk territory south, was reduced now till critically small sizes. the modern area of a far east leopard covers only limited горнолесной area the area about 10-15 thousand in sq. km on a joint of three states of russia, the peoples republic of china, democratic people's republic of korea. the sizes of individual sites at a far east leopard small, about 5-8 thousand in hectare, and animals - strictly territorial predators: each adult animal has the site which isn't blocked with sites of individuals of the same floor.

chemical pollution of atmosphere.the person pollutes atmosphere in the millenia, however consequences of the use of fire which it used all this period, were insignificant. it was necessary to be reconciled by that the smoke disturbed to breath and that soot laid down a black cover on a ceiling and walls of dwelling. received heat for the person was more important, than pure air and incomplete walls of a cave. this initial air pollution did not represent a problem for people lived then small groups, occupying unreasonably extensive untouched environment. and even the considerable concentration of people in rather small territory as it was in a classical antiquity, was not accompanied still by serious consequences.so was up to the beginning of the nineteenth century. only for last hundred years development of the industry "has presented" us with such productions which consequence in the beginning the person could not present itself yet. there were the cities-millionaires which growth it is impossible to stop. all is result of great inventions and gains of the person.the basic polluting substances.basically there are three basic sources of pollution of atmosphere: the industry, household boiler-houses, transport. the share of each of these sources in general, air pollution strongly differs depending on a place. now that most strongly pollutes air industrial production. sources of pollution - thermal power stations which together with a smoke throw out sulphurous and carbonic gas in air; the metallurgical enterprises, especially nonferrous metallurgy which throw out in air оксиды nitrogen, hydrogen sulphide, chlorine, fluorine, ammonia, connections of phosphorus, a particle and connection of mercury and arsenic; chemical and cement works. harmful gases get to air as a result of burning of fuel for needs of the industry, heating of dwellings, work of transport, burning and processing household and industrial wastes.

1. when he graduate from the university, he will become a good specialist.

2. if you prepare the report in time, you will take part in the conference.

3. when i  was 18, i  took part in the elections.

4. we are going to revise the rules in some days.

5. if you come to the lecture, you will learn many interesting things.