1) To use atomic energy for peaceful purposes is the task of our scientists. (использовать; to use - использовать)
2) Having entered the institute he began his scientific work in the students' scientific society. (поступив, после того как он поступил; to enter - поступать)
3) 1. Вещества, которые оказывают сопротивление току, называются изоляторами. 1. Substances to resist the flow of current are called insulators. 2. Переводить древнюю рукопись оказалось очень трудной задачей. 2. To translate the ancient manuscript was a very difficult task.
4) 1. Obtaining this information is hardly possible. - b. получение 2. Their task was to obtain information. - c. получить 3. The mass media enlarged on the event obtaining new information every day. - d. получая 4. The information being obtained by us was very urgent. - a. получаемая
5) To work with mercury is dangerous. (work - simple active)
6) Having finished the experiment they left the laboratory.
7) Physics is a science dealing with phenomena connected with the transformation of matter and energy.
8) The proton {having} a positive charge is one of the important particles. The method { proposed} by this young researcher was not acceptable.
9) Having done the work the engineer wrote down some new conclusions. Выполнив работу, инженер записал несколько новых выводов.
10) This method of examining a machine tool is connected with a new technology. Этот метод проверки работы станка связан с новой технологией
1)Usually girls are not as strong as boys. 2) Usually old houses are not as comfortable as new houses. 3) Autumn school holidays are as long as spring holidays (я не знаю какой длинны у вас осенние и весенние каникулы, ответь сколько каждые длятся и я изменю если нужно). 4) Chocolate ice cream is as tasty as vanilla ice cream (не меняла) . 5) Plum trees are not as tall as apple tress. 6) The weather in late autumn is not as nice as the weather in summer. 7) Boys are as good friends as girls. ( не меняла). 8) Old towns are not as big as modern cities.