3 Part One. The Predicate

Section III
Ex. 1. Respond to the following, using the expressions: to do smth (towork, to study, to make observations, etc.) under smb (Prof. N, Dr. A, etc.).

1. The laboratory is now an important scicntific centre, who is the head of it? 2. He says he has a very good scicntific adviser, under whom does he study? 3. He has written a very good articlc, whom did he consult?4 .1 know that he does physics at Moscow University, who is his supervisor?5. You should consult your teacher before making observations, who is your teacher? 6. This book is rather difficult but very useful for your work, who advised you to read it? 7. Your brother obtained his degree last year, who was his scientific adviser?

Ex. 2. Translate (he sentences into English.

1. Men ushbu ishni professor N. rahbarligi ostida bajarganman. 2. Talabalar ilmiy jamiyati doktor N. rahbarligida ishlaydi. 3. Yaqinda doktor N boshchiligidagi guruh so'nggi tadqiqotlar haqida juda qiziqarli maqola chop etishdi. 4. Siz kimning rahbarligi ostida mashq qilasiz? 5. Biz N boshchiligidagi sifatli tahlil laboratoriyasida shug'ullanmoqdamiz. 6. Mening do'stim N rahbarligida davriy ishini qiladi, u bilan ishlashni juda yaxshi ko'radi. 7. Keyingi o'quv yilida kimning rahbarligi ostida ish olib borishni bilmayman.

Ex. 3. Make up short dialogues according to the model.

Model'. — A question.

— An answer.(+, -)

— A request.

Example: — Are you going to the dean's office today?

— 1 think so.

— Could you give my application to the secretary?
Ex. 4. Give d etailed answ ers to th e following questions:

1. What can you say about the early studies concerning the structure of molecules? 2. What important discoveries were made in the course of structural investigations? 3. In what way was the valence bond understood in the 19th century? 4. What investigations laid the foundation of the modem electronic theory? 5. What methods were used to study the structure of molecules?

Ex. 5. Discuss th e following topics:

1. The Contribution of the Great Scientists of the Nineteenth Century

to the Structural Theory.

2. The Methods Used in Structural Investigations.

3. The Refinement of the Electronic Theory of Valence.

WHAT IS IT ?

The combining power of an atom, equal to the number of hydrogen atoms which an atom will combine with or replace.