TEXT 1. POLLUTION Factories, power stations and motor vehicles (1) . pump large quantities of carbon dioxide and other gases into the air. To avoid the greenhouse effect autho- rities (2) . control toxic wastes in their countries. A lot of petrol contains lead, which (3) .. cause brain damage in children. Most cars owners(4) .. use unleaded petrol today or electric cnrs. Some poisonous gases dissolve in water and then fal to the earth as acid raiu. Acid ram also damages trees and buildings, and (5).. kill fish in lakes and rivers. Rivers 16)siso be polluted by industrial waste. That is why factoryemissions, use of chemicaland pesticides (7) be reduced or limited.​

What do you imagine the first thing when you hear the phrase "Soc. Network"?Before my eyes immediately seems picture - friends, messages, group, wall. We all think - soc. network for communicating. Of course this is true, it's easier to communicate with people from another city, or even to meet with a man from another country. But we often forget about it, and continue to be considered stupid comics Group or read someone's status. Of course, it takes a lot of time, prevents real communication. Often, people do forget that such a walk with your friends, and have bezvylazno be in the swamp "the social. Network".But he still is not so bad, if the social. network to use for its intended purpose, namely - sometimes communicate with people (not with a neighbor in the yard, and with a man from another city, for example), it would certainly be useful.Conclusion: Soc. network - a great opportunity to communicate, but it should be used in moderation.

Task 3.

1)I will write a lot of letters-Letters will be writen by me.

2)She will not do the exercises-The exercises will not be done by her.

3)I will visit my grandma-Grandma will be visited by me.

4)They will not cook dinner-Dinner will not be cooked by them.

5)Will they help you?-Will you be helped by them?

Task 4.

1)We are writing a lot of letters-Letters are being written by us.

2)She is not doing the exercises-The exercises are not being done by her.

3)I am visiting my grandma-My grandma is being visited by me.

4)The are not cooking dinner-Dinner is not being cooked by them.

5)Are they helping you?-Are you being helped by them?

Объяснение: