Instructions for the opposite actions. Use the words in the bottom box to replace the words

VARIANT-10


Section 1: Reading
1 Complete this text. Write a letter from A – L in each space.

Scuba diving equipment When you dive, you must carry two metal tanks on (1)_____. They contain (2)_____. They allow you (3)_____. When you breathe in, (4)_____. You must also wear a mask on your face. This helps you (5)_____. You also need a pair of fins on your feet. They are for (6)_____. You should also carry a compass. This always (7)_____. If you are lost under water, (8)_____. A snorkel is useful, but not essential. This is (9)_____. It’s made (10)_____. You can use this if (11)_____. It brings (12)_____.

A to see clearly under water.
B your back
C points north.
D to breathe.
E fresh air into your mouth from just above the surface of the water.
F it will help you to go in the right direction.
G a small tube.
H a tube carries the air from the tanks to your mouth.
I propelling you quickly through the water.
J of rubber.
K you are swimming just below the surface of the water.
L air.

2. Underline the correct words.

1 The deck of the bridge is (mounted on / suspended from) strong concrete piers.

2 My computer is (attached to / connected to) the modem with a long cable.
3 Look out! You might hit your head on that low (gap / beam).
4 Be careful! You could (trap / injure / get) an electric shock.
5 The ladder moved, but the builder did not fall down. It was a dangerous (incident/ accident).
6 The worker ran through the factory and (slipped on / tripped over) some oil on the floor.


VARIANT-11


Section 1: Vocabulary
1 Choose the correct answer. Write a, b, c or d in each space.
1 The shaft rotates at a speed of 350 __________.
a) kW b) rpm c) km/h d) kg
2 Pull the __________ towards you to make the forklift truck move backwards.
a) pedal b) deck c) button d) lever
3 The function of the __________ is to convert the sun’s energy into electrical power.
a) solar panel b) dynamo c) solar power d) adapter
4 The plane is flying __________ at an angle of 45° to the ground.
a) horizontally b) vertically up c) diagonally up d) straight down
5 The electric current flows around the __________ from the power source to the lamp.
a) circuit b) battery c) ampere d) radiator
6 That material is completely __________. It won’t bend if you put a heavy weight on it.
a) heat-resistant b) flexible c) corrosion-resistant d) rigid
7 The road goes across the lake. It rests on 24 strong concrete __________.
a) decks b) piers c) footprints d) storeys
8 Open up the __________ of the car and I’ll have a look at the engine.
a) bumper b) boot c) bonnet d) windscreen
9 Two powerful jet engines __________ the aeroplane forwards at high speed.
a) propel b) release c) control d) cushion
10 Be careful with that bare wire. You might get an electric __________.
a) danger b) shock c) current d) hazard