1. it occurs naturally      а) по случайному стечению                        

2. over long periods       обстоятельств (случайно)

3. by coincidence           b) алюминиевая фольга

4. to seal a metal from the  c) встречаться в природе

air                                    d) защищать металл от доступа воздуха

 5. aluminium foil           e) в течение долгого времени

2) Найдите в каждом ряду слово, противоположное по значению первому слову.
1. similar            a) simple  b) same  c) different  d) complete
2. common         a) usual  b) extraordinary  c) proper  d) natural
3. expensive       a) costly  b) essential  c) special  d) cheap
4. durable           a) malleable  b) valuable  c) unreliable  d) possible
5. reduce             a) decrease b) remove c) remake  d) increase
3) Вставьте пропущенное слово .
1. Aluminium is the most ____ metal.
2. Aluminium is _____ from an ore.
3. The discovery of two chemists in 1886 ________ the price of aluminium.
4. Today aluminium foil is ________.
5. Aluminium is durable, _____ and conducts electricity.
4) Отметьте данные утверждения как T (True) и F (False).
1. An ore called bauxite was formed by the weathering of rocks that
contained aluminium silicates.
2. Charles Martin Hall discovered how to extract aluminium using silver.
3. Two chemists who made the discovery were of the same age.
4. Napoleon III used aluminium plates to wrap food.
5. A thick coating of aluminium oxide is formed when the surface of
aluminium reacts with oxygen in the air.

II вариант

I . Выберите правильный вариант ( Present Continuous ).

1.

A)    When you are going to have a meal?

B) When do you going to have a meal?

C) When are you going to have a meal?

D) When going you to have a meal?

2.

A)  Who’re shouting at the dog?

B)  Who’s shouting at the dog?

C)  Who shouting at the dog?

D)  Who does at the dog shouting?

II . Выберите правильный вариант ответа ( Present Simple или Present Continuous ).

1. Sorry, I can't. I … lunch.

a) have  b) am having c) has having d) having

2. They… hamburgers and chips.

a) are liking b) likes c) like d) doesn't like

3. We … a flat at the moment.

a) look for    b) looks for    c) are looking for  d) looking for

4. My sister … English very well.

a) speak b) is speaking  c) speaking  d) speaks

III . Переведите предложения, обращая внимание на времена группы Perfect .

1. Joan has played in the school team for two years.

2. He decided to become a writer when his first story had been
published.

3. The street had been widened.

IV . Переведите на русский язык и определите функцию инфинитива.

1. Here is a good house to live in.

2. To master a foreign language you must work much.

3. The article to be translated is very important for us.

V . Переведите предложения на русский язык. Помните, что объектный и субъектный инфинитивные обороты соответствуют придаточным предложениям.
1. The engineer thought these young workers to be right.

2. The results of the experiments are believed to be very important.

3. The plant to be built will be the biggest in Siberia.

VI . Выберите правильный вариант перевода для подчеркнутого слова.
1. They helped to solve this problem.

a) решить b) решив с) решая

2. To do the translation better you can use a dictionary.

a) делать b) для того, чтобы сделать с) делая

3. To do this operation became possible by means of new equipment.

а) сделать, выполнить b) делая, выполняя с) выполнение

VII . Выберите правильный перевод подчеркнутой глагольной формы.
1. The students discussing this problem will take part in the scientific
conference.

a) обсуждают b) обсуждающие c) обсуждали

2. Discussing the agenda of the conference they made some corrections.

a) обсуждая b) обсуждающий c) обсуждение

3. I am translating an article now.

a) переводя b) переводящий c) перевожу

VIII . Переведите предложения на русский язык, обращая внимание на функции причастия.
1. New devices being produced at the plant are of high quality.

2. If solved, the problem will attract everybody’s attention.

3. Having finished the experiment, the students left the laboratory.

IX . Прочитайте текст и выполните задания после текста.