2015-08-21
558
| A | B |
| cheap – cheaper –the cheapest nice – nicer –the nicest big – big g er –the biggest early – earl i er –the earliest | expensive – more expensive – the most expensive interesting – more interesting – the most interesting |
But: good – better – the best
bad – worse – the worst
little – less – the least
much/many – more – the most
1. Fill in the table.
| Noun | Verb | Adjective | Adverb | Translation | Transcription |
| control (п,v) | control | управление, управлять | [kqn′trqul] | ||
| decrease | decrease | [′di:kr i:s] (n) [di:′kri:s] (v) | |||
| depend (on, upon) | |||||
| distance | |||||
| density | плотность | ||||
| increase | increase | increasingly | [′inkris] (п) [in′kri:s] (v) | ||
| insulator insulation | диэлектрик/ непроводник изоляция | ||||
| сетка | |||||
| place | |||||
| [tran′zistq] [tran′sistq] | |||||
| result (in) |
2. Read and translate the following international words:
Nouns (n): effect, function, idea, ion, material, metal, milliampere, reflector, result, secret, spiral, triode, volt
Verbs (v): compensate, control
Adjectives (adj): modern, miniature, standard
3. Write the following verbs with –ing. Mind the spelling.
Control,decrease,depend,increase,place,result,conduct, insulate, heat, emit, flow, have, apply, use.
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4. Look at Fig.1 and complete the sentences with the following verbs in the correct form: attract, repel, heat, flow, emit .
Fig.1. Electron flow in a vacuum tube
1. The heater … the cathode.
2. The cathode … electrons.
3. Negative voltage on the cathode … the electrons.
4. Positive voltage on the plate … the electrons.
5. Current … from one element to the other through a gas.
5. Make up questions from these words. Use is or are and put the words in order.
1. the\in\student\the\electron\ describing \a\vacuum\flow\tube.
2. the\electronics\ defining \physicist.
3. the\ emitting \cathode\electrons.
4. the\the\electrons\cathode \flowing \from\to\the\plate.
5. the\between\grid\ being placed\the\cathode\and\the\plate.
6. the\grid\the\flow\of\electrons\ controlling.
7. current\from\ moving \element\to\one\the\other\a\gas\through.
8. a\small\negative\voltage\ being applied\to\the\grid.
9. the \decreasing \plate\current.
10. being used\for\amplification\a\triode.
11. flowing \only\current\in\direction\one.
