Задание 1. Прочтите, перепишите предложения, переведите их на русский язык.
1. It is important to solve this
problem.
2. Here is the student to examine
this material.
3. He came to the Institute to
speak to the teaсher of French.
4. E. Rutherford was the first to
change nitrogen to oxygen
by bombarding nitrogen atoms with alpha particles.
5. Some of the metals are not active
enough to react with water at ordinary temperature.
Задание 2. Прочтите, перепишите и переведите предложения, обращая внимание
на обороты с инфинитивом.
1. The scientists proved this
substance to be an element.
2. This problem is expected to have
been solved.
3. It is possible for me to do this
work in time.
4. Every crystal has been found to
consist of atoms arranged in a definite
pattern.
5. During the experiment we saw the
temperature to fall rapidly.
Задание 3. Прочитайте, перепишите и переведите предложения, содержащие союзы
"if", "provided".
1. If the liquid air were allowed
to evaporate, different components would
predominate.
2. Such materials are
satisfactory, provided they do not form corrosive chlorides.