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    1. Fill in the table.

Noun

Verb

Adjective

Adverb

Translation

Transcription

determination

determine

determinate

determinative

-

определение

[dI‚tq:mI′neISqn]

diffusion

диффузия

[dI′fju:Zqn]

dope

добавлять

eliminate

gain

[geIn]

height

junction

переход, соединение

measure

[′mqZq]

plane

плоскость

region

область, зона

знак

value

величина, значение

    1. Put the verbs in brackets into the correct form.

  1. If I (know) the concentration of impurities in a solution, I would dope them.

  2. Unfortunately I forgot your e-mail address when I went on holiday. If (I/have) your e-mail address, (I/send) you a message.

  3. If you were me, how you (measure) the height of a potential barrier?

  4. If I (have) a chance, I (eliminate) stutter.

  5. I’m tired. If (I/not/be) tired, I (do) all measurements.

  6. The scientists were not very busy last year. If (they/be) busy, they (not/obtain) so many substances in scientific laboratories.

  7. I wouldn’t mind helping you in the laboratory if the results (be) better.

  8. I (not/experiment) with this matter if I (be) you.

    1. Write a sentence with if … for each situation.

  1. The process of determination of the age of rocks is too complex, so I’m not going to do it. I’d … if …

  2. I can’t meet you tomorrow. I have to install new equipment in the laboratory. If …

  3. I don’t see you very often because I’m designing a new installation. If …

  4. We can’t determine the plate current of a triode. We have to measure the temperature of the cathode and the voltage on the plate. If …

  5. P-type and N-type regions and a junction between them appeared in a silicon crystal because donor atoms were at one end and acceptor atoms were at the other end of it. If donor atoms …

  6. I didn’t determine voltage because I didn’t know strength of the current and resistance. …

  7. You didn’t replace parts of this machine – that’s why it doesn’t work now. …

  8. Kate didn’t obtain correct result because she didn’t change a sign in a fraction. …

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