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Lesson 1: Exercise 2
Categoría: English lessons el día 2010-04-16 20:27:06
Complete the sentences with the appropriate formal verb.
Example: I usually WORK (work) in our installations, but now I AM DOING (Do) a repairing out.
- When I don't know how to do my job the supervisor__________________ (explain) me
the best way.
- John____________ (repair) the drill right now, because______________ (not work)
since yesterday.
- The boss_______________ (not like) that we stop to take coffee.
- Mary___________ (study) every day after class, but today she______________ (Watch)
a football game on TV.
Vocabulary Units of measure
Complete the table
|
Name of unit |
Abbreviation |
Quantity |
|
|
A |
Electric current |
|
Joule |
J |
|
|
Watt |
W |
|
|
|
V |
Voltage |
|
Ohm |
|
Resistance |
|
|
Hz |
Frequency |
|
Degree Celsius |
°C |
Temperature |
|
Second |
S |
|
|
|
M |
Length |
|
Meter per second |
m/s |
|
|
Square meter |
m1 |
Area |
|
Cubic meter |
M3 |
|
|
|
L |
Volume |
Use of article a/an or the
Singular countable noun with article a/an:
A thermometer.
An aeroplane.
Plural countable nouns with no article:
Thermometers. Singular uncountable noun with no article:
Temperature
In science and technology it is common to use a singular countable noun with article the
The thermometer
