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us in nature are composed of different substances. 5. Sugar is a hard brittle substance
which has color and taste.
B. Model: The equipment which was installed at the plant is quite new.
The equipment installed at the plant is quite new.
1. The experiment which was made in the laboratory is very important. 2. The
students who were examined last week got good marks. 3. All elements consist of
tiny particles which are called atoms. 4. Specialists who are trained at higher schools
work in various fields of the national economy. 5. The equipment which was tested
required some improvement.
IX. Translate the following phrases. Mind the position of Participle II:
the materials tested possessed…
the work performed showed…
the results obtained showed…
the equipment tested required…
the problem solved proved…
the equation obtained resulted in…
the experiment discussed proved … .
X. Translate the following sentences. Pay attention to Participle II.
1. The temperature of the liquid obtained remained constant. 2. The method ap-
plied improved the quality of production. 3. The tools used showed good results. 4.
The machine tool developed required some improvement. 5. The device tested
showed the desired results. 6. The techniques applied increased the rate of produc-
tion. 7. The progress achieved resulted in a remarkable technical improvement. 8.
The theory formulated is of great importance for our research. 9. The results dis-
cussed supported the significance of the experiment. 10. The equipment tested re-
quired some improvement.
XI. Translate the Russian words and word combinations given in brackets. Use
Participle I or II.
1. The research work (производимая) at the laboratory is of great importance.
2. The engineer (который проводит) this research is a talented physicist.
3. The students (посещающие) these lectures are from various faculties.
4. The lecture (которую посетили) by these students was on mathematics.
5. The substance (называемое) ‘water’ consists of two gases: hydrogen and
oxygen.
6. The students (обсуждающие) this problem will take part in the scientific con-
ference.
7. The problems (обсуждаемые) at the conference are very complicated.
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