Language activity

Exercise 1. Insert prepositions used in text.

A fiber optic transmitter and receiver are connected … fiber optic cable. The fiber is totally immune … virtually all kinds of interference. The basic fiber is made … glass. Fiber optic cable is ideal … secure communications systems. Fiber can carry much more information and deliver it … great fidelity. The optical transmitter converts an electrical analog or digital signal … a corresponding optical signal. Progressing … the copper wire to fiber optic cable has promoted technological development in all areas.

Exercise 2. Which of the italicized words in each sentence is the predicate?

1. Last month our laboratory developed a new technique required for thermodynamic studies of a two-phase system.

2. The technique allowed us to obtain results predicted by theory.

3. The results obtained disagreed with earlier data reported by Dr. Brown.

4. After a heated discussion the laboratory applied the method improved by Dr. Brown.

5. The model suggested described adequately the thermodynamic peculiarities studied by Dr. Brown.

6. The method applied increased the accuracy of the results.

7. The scientist theoretically predicted complicated interaction between the components involved in the process.

8. The crystal produced revealed cracked faces.

Exercise 3. Summarize your knowledge of the Sequence of Tenses and the Reported Speech, and put the verbs in brackets into correct form.

1. The librarian says that she (to work) at a primary school in Seattle.

2. The teacher said that her pupil (to be) a very smart boy.

3. We know that experts (to elaborate) new data transmitting technologies.

4. Alexander Graham Bell declared that he (to work out) an optical telephone system.

5. The Corporation sells its transmitters and receivers on the terms it previously (to insist on).

6. It is known that Robert Maurer, Donald Keck and Peter Schultz (to invent) fiber optic wire.

Exercise 4. Convert the sentences into the Reported Speech.

1. – Are you ill? – mother asked.

– No, I’m just tired, - I answered.

2. The teacher said: “The pupil will come tomorrow”.

3. My friend said: “I’m working at the State Library now”.

4. The boy said: “I did this work yesterday”.

5. The freshman asked: “Can I help in the laboratory?”

6. The young scientist said: “I’ve worked in this laboratory for two years”.

Unit 4 word study

Exercise 1. Read and translate the collocations below.

Revenue streams, telecommunication transmission, copper wire system, light impulse, shared program software, optical fiber application, optical bandwidth, fiber/coaxial hybrid, optical receiver, optical convert, commercial installation, trunk line, backbone architecture.

Exercise 2. Form nouns from the verbs listed below.

Transmit, receive, convert, connect, communicate, promote, modernize, develop, determine, applicate.

Exercise 3. Fix your attention on the prefix “re” – meaning “again”. Translate these verbs.