Lesson three Oral topic: in the chemical laboratory Grammar

Exercise 9. Translate the sentences into Russian. Pay attention to the Indefinite Passive.
1. Many experiments are carried out by the pharmaceutical students during their studies. 2. Chemical laboratories are equipped with different apparatuses. 3. Positive effect was associated with the low temperature. 4. Pharmacy is defined as the science of recognizing, identifying, collecting, selecting, preparing and compounding substances. 5. First educational establishments with proper course for pharmacists were opened in Montpelier. 6. Thousands of future specialists are trained at the higher educational establishments. 7. Chemical and physical properties of inorganic substances were thoroughly studied during practical classes in chemistry. 8. Drug effects will be described after a number of experiments.
Exercise 10. Find the sentences with the verbs in Indefinite Passive. Translate them.
1. The work at the botanical stations help the students acquire deep knowledge of botany and pharmacognosy. 2. We will define chemistry today as the study of formation, composition, structure and reactions of the chemical elements and their compounds. 3. Great number of new compounds were described and important work was carried out on the determination of atomic weights. 4. Each period of development of medicine contributed to the store of medical knowledge. 5. The year 1887 may be accepted as the date of appearance of physical chemistry. 6. Galenical preparations will be produced according to the needs of medical knowledge.7. In ancient time the most important examinations were spoken, not written. 8. The written examination, where all students are tested on the same questions was probably not known until the 19^th century.
Exercise 11. Open the brackets using the verbs in the Passive Voice.

1. 
   The academic year in all types of educational institutions (divide) into two terms.
   
2. 
   A laboratory is a place where experiments (carry out).
   
3. 
   State universities partly (subsidize) by state governments.
   
4. 
   Periodic Law (study) by millions of secondary school children and by students at higher establishments of natural sciences and engineering.
   
5. 
   In British universities some university teacher (call) tutors.
   
6. 
   A lecture - room is a place where lectures (deliver).
   
7. 
   A students’ conference on this problem (hold) next month.
   
8. 
   Pharmacy (define) as the science of drugs.
   
9. 
   Great attention in his lectures (give) to organic chemistry.
   
10. 
    In the 18^th century the General Pharmaceutical Association of Great Britain (form).
    
11. 
    The Fahrenheit thermometric scale and some new methods of study (introduce).
    

Exercise 12. Change the voice of the verbs.

Model:

We carry out many experiments in our laboratory. Many experiments are carried out by us in our laboratory.

1. After each lesson we ventilated our classroom. 2. The students place laboratory vessels on the table. 3. In a year we shall equip our chemical laboratory with modern apparatuses. 4. Fahrenheit introduced a new scale into the experimental work in the 17^th century. 5. The students take written exams at the end of the term. 6. The teacher gave him an interesting problem to solve. 7. The scientists discuss the experiments every day. 8. A librarian offered him many books on the subject of his report. 9. The Dean warmly thanked the students for the help. 10. After the experiment was over we recorded all the findings.