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2.4. Match numbers 1-10 with letters a-j to make collocations. Then use these collocations in the sentences of your own.

1 regular a) model

2 inherently b) frequencies

3 photographic c) pattern

4 nuclear d) atom

5 spectral e) difference

6 diffraction f) stable

7 X-ray g) lines

8 energy h) plate

9 radiant i) grating

10 hydrogen j) energy

2.5. Explain the meanings of the following verbs. Then use them in the text of your own (10-12 sentences).

  1. to adapt

  2. to embed

  3. to attempt

  4. to resemble

  5. to overturn

  6. to refine

  7. to deflect

  8. to detect

  9. to scatter

  10. to reconcile

  11. to impact

2.6. Mind the translation of the verbs "to follow" and "to precede" in the Passive Voice. -to follow-

- следовать за кем-, чем-либо

- придерживаться (теории, метода и г.д.)

- наблюдать, следить за кем-, чем-либо

-To precede-

- предшествовать

1. This process can readily be followed with conventional methods.

2. He thinks he is being followed.

3. The discovery of the electron was followed by the investigation of its properties (mass, charge and velocity).

4. This operation has been naturally followed by writing an equation where N is substituted by the assumed number of particles.

5. The production of two hadrons has been followed by a doubling of the energy required to create a charmed particle.

6. Neutron capture by a nitrogen nucleus is sometimes followed by immediate emission of a proton.

7. Nо matter which of these approaches is followed, we shan't be able to anticipate the ultimate (окончательный) result.

8. The book is preceded by a short biography of the author.

9. An unambiguous proof was preceded by an assumption that Thomas-Fermi model cannot lake into account the covalent bond (связь) between atoms.

10. A new advance in biophysics has been preceded by an adequate explanation of some phenomena in molecular physics.

2.7. Work in pairs or groups. Discuss the points below.

1. Thomson’s model of the atom

2. Rutherford's nuclear model

3. Moseley’s model

4. Bohr Model of the Atom

The following conversational clichés may help you to prepare the discussion

Persuasion

  • Don’t you think

  • After all

  • What you don’t seem to understand is that

  • I’m awfully sorry to ask you… but

  • If you do it … I’ll

  • I don’t , but

  • I’ll tell you what (the way)

  • Look

  • Why don’t we

  • I know you can do it

  • It’s crucial for you

  • It’s important for you

  • It’s necessary for you

Going to persuasions

  • (Well) I guess so

  • All right

  • May be you’re right

  • Oh, if you insist

  • Look – I’ll tell you what

  • We’ll see