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    Learn English > English lessons & exercises > Deep Sea Diving > Stats updated every 4 hours
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    Exercise "Deep Sea Diving", created by terredefeu50 (a free exercise to learn English):
    Results of the 3 933 people who have taken this test:
    Average mark: 77 / 100 Share

    Latest member with a 100/100 (perfect mark): claudine56 / FRANCE, on Wednesday 03 April - 17:55:

    They got a perfect mark

    Stats (3933 candidates)
    Question 1 passed: 82.1 %
    {2-53875.jpg} Tube used for breathing, long or short, flexible or stiff, with a round or oval section. *

    Question 2 passed: 80.8 %
    {2-53874.jpg} Shock-proof light allowing to dive by night or at depths in which there is no day light. *

    Question 3 passed: 85.4 %
    {2-53871.jpg} Knife attached to the calf, that can be as useful under the water as on a boat.*

    Question 4 passed: 69.3 %
    {2-53872.jpg} Small device, indispensable when diving, that records the maximum depth reached.*

    Question 5 passed: 76.3 %
    {2-53866.jpg} Isothermic suit, fitting precisely the diver's body and made of a flexible and elastic material like, for example, neoprene.*

    Question 6 passed: 78.9 %
    {2-53867.jpg} Apparatus made of a rubber or silicon frame and a protecting glass, fitting the shape of the face (forehead, cheek, bones, and so on.*

    Question 7 passed: 74.9 %
    {2-53868.jpg} Rubber paddles increasing the speed of the swimmer.*

    Question 8 passed: 75.5 %
    {2-53865.jpg} Red flag with transversal strips fixed on a buoy, visible as far as 300 metres, and indicating the presence of a diver.*

    Question 9 passed: 71.9 %
    {2-53864.jpg} Element of the aqualung. Oblong metal container, full of compressed air.*

    Question 10 passed: 69.1 %
    {2-53863.jpg} Other element of the aqualung. Very important device allowing the diver to breathe normally.*

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