4. Определите тип придаточного предложения. a) 1. That it is possible to convert heat to energy and energy back to heat can be demonstrated in a number of ways. 2. When we shall start a new series of experiments is not yet settled. 3. Whether the spaceship will be able to leave the earth depends upon the speed of the ship.

Б) 1. One of the main characteristics of plastics is that their molecules are composed of a large number of re peating molecules known as monomers. 2. The most important feature of this plant is that all its shops are equipped with automatic and semi-automatic machine tools. 3. The difficulty is whether all the processes of the production at the plant can be mechanized.

1We often do great harm to our environment Мы часто наносим вред окружающей среде
2 How can we protect it? Как мы можем защитить ее?
3 I’m sure that some of us don’t notice global problems which are taking place Я уверен, что некоторые из нас не замечают глобальные проблемы, которые сейчас имеют место
4 Has everyone heard about global warming, climate change, sea level rise, overpopulation? Слышал ли каждый о глобальном потеплении, изменении климата, увеличении уровня моря, перенаселения?
5 I think that we are more or less familiar with these issues Я думаю, что мы более или менее знакомы с этими вопросами
6 The problem is that we don’t pay enough attention to it Проблема в том, что часто мы уделяем достаточного внимания этому
7 Certainly, we need to think thoroughly about these problems Конечно, нам нужно тщательно подумать об этих проблемах
8 Let’s look at the problem of overpopulation Давайте взглянем на проблему перенаселения
9 How can we solve this problem? Как мы можем решить эту проблему?
10 We shouldn’t get married and have children, shouldn’t we? Нам не следует женить (выходить замуж) и иметь детей, не так ли?
11 Certainly not Конечно, нет
12 On the contrary, Russia has the opposite problem Наоборот, у России обратная проблема
Может

1) у тебя написано, 2) 1. doesn't get, 2. aren't, 3. don't go, 4. aren't. 3) 1. Does my sister get ... 2. Are they... 3. Do I go... 4. Are they 4) When does my sister ... marks? 2. Where are they ... now? 3. How do you go ... morning? 4. What are they drowing? 5) 1. Who get day? 2. Who is ... now? 3. Who go ... morning? 4. Who is ... now? 6) 1. My sister ... day, doesn't she? 2. They … now, aren't they? 3. I ... morning, don't I? 4. They ... now, aren't they?
И ещё слова drowing не существует проверь, а в 1-Ом предложении в слове get нужно поставить букву s в пунктах #1,5 и 6 ( тоже проверь )