Language in Use
Match the equivalents:
-
A
B
прикреплённый
too
колесо
blades
внутри
still
лопатки
turn into
изобретать
both
однако
however
слишком
inside
все еще
eventually
наконец
fixed
оба
melt
превращаться в
wheel
плавиться
invent
Find pairs of synonyms among the words:
Find pairs of antonyms among the words:
-
A
B
external
disadvantage
dependent
less
useful
useless
advantage
old
wide
independent
new
internal
long
short
more
narrow
Use the prepositions in the box to complete the sentences in the text. Translate the text with the help of a dictionary in written form.
Nowadays there are many types … engines … use … various purposes. These engine types have one thing … common. The energy is derived … a chemical reaction, which takes place … the engine itself. Therefore all the engines … present used … aircraft can be classed as internal combustion engines. In general, internal combustion engines may be divided … piston and jet engines.
The conventional piston engines are not suitable … speeds in excess of 500 miles … hour, because of propeller limitations. It was necessary to develop power plants … propellers in order to drive airplanes … sonic and supersonic speeds.
The modern trend … aircraft power plants is … jet propulsion primarily because … the increased speeds and great heights possible … jet engines.
Match words in column A with their definitions in column B and use them in your own sentences.
-
A
B
1. current
1. fix or join to smth else
2. irrigate
2. make smth or someone move
3. invent
3. the gas or vapour that comes from boiling water, used to drive machinery
4. attach
4. supply land with water so that crops can grow
5. drive
5. smth that is burnt to produce heat or power
6. fuel
6. a hard black mineral substance used for burning to supply heat
7. furnace
7. make or become liquid by heating
8. coal
8. water or air etc. moving in one direction
9. steam
9. be the first person to make or think of a particular thing
10. melt
10. a device in which great heat can be produced