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Quiz
Lesson1
Lesson1
admin
June 24, 2017
September 8, 2020
Questions
1.
By wearing a mask, an air space is placed between the diver’s eyes and the water so the objects can be_______________________
properly focused
properly watched
properly touched
2.
The lead weights usually are fixed to the weight belt; the belt should also...
are black
have a quick release buckle
are 2 meters large
3.
Suits are protective clothing, which help to minimise thermal exposure effects on the body; this is due to the high thermal conductability of water. How much times higher is the water than air?
15
20
25
Time is Up!
control 1*
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