Unit 5. Covalent Bonds

Date: 2015-10-07; view: 406.

Give an explanation to each of these jobs.

ENGINEERING JOBS

1) chemical engineering - the branch of engineering concerned with the design and operation of industrial chemical plants

2) civil engineering - planning, design, and building of roads, bridges, harbours, and public buildings

3) electrical engineering - the branch of engineering concerned with the practical applications of electricity

4) marine engineering - engineering responsible for all heavy machinery on a ship or an offshore structure

5) mechanical engineering - the branch of engineering dealing with the design, construction, and use of machines

6) transportation (traffic) engineering - a discipline which includes the design of highways and pedestrian ways, the study and application of traffic statistics, and the environmental aspects of the transportation of goods and people

Past Continuous

Affirmative:

For example:

· Yesterday Alex and Jim were carrying out the experiment. They began at 11 o'clock and finished at 12.30.

· I was measuring voltage during my physics class.

Compare Past Continuous (I was doing) and Past Simple (I did):

1. Fill in the table:

Noun	Verb	Adjective	Adverb	Translation	Transcription
	radiate
		constructive
production
	pulsate
				поглощение
heat
force
		absorbent			n
state
	perform
bond
	create
				количество
	employ
	equip				n
piece
	represent
	purify	pure			adj
				примесь
		relative
		similar
discovery
	orbit
				таблица

2. Read and translate the following international words:

Nouns (n): crystal, group, helium, radiation, radium, valence, uranium.

Adjectives (adj): central, covalent, cubic, periodic, vertical, economic(al).

Verbs (v): group, radiate, vibrate.