Choose the item that best answers the question or completes the unfinished statement about the following passage.
As a rule swimmers practise in swimming-pools. But in summer they prefer to do it in the river or sea. There are some kinds of swimming-pools: pools for teaching and sporting pools which may be indoor and outdoor ones. One must distinguish between such swimming strokes as the butterfly stroke, the dolphin stroke being its variety, the breast-stroke, the crawl stroke and the back-stroke. Swimmers are called accordingly: a breast-stroke swimmer, a crawl-stroke swimmer, a long-distance swimmer, a short-distance swimmer, a medium-distance swimmer, a first relay swimmer, a last relay swimmer, etc. Swimming makes people strong and healthy, it developes all parts of the body. By and large sportmen keep themselves in good form by training in swimming. There are some rules about swimming that are essential for all. The main elements in swimming are: body position, arm action, leg action, breathing, pull, push etc. in a breast-stroke breathing is closely connected with arm action. Inhalation takes place above water through the open mouth, but exhalation takes place under water or on the surface through both nose and mouth. To meet the needs of our sportmen the government has built a great number of swimmers increasing from year to year. Now swimmers can train and compete all year round.
According to the writer, Swimmers often practise ______________.
A.in the river
B.in the sea
C.in swimming-pools
D.in lakes
As a rule swimmers practise in swimming-pools. But in summer they prefer to do it in the river or sea. There are some kinds of swimming-pools: pools for teaching and sporting pools which may be indoor and outdoor ones. One must distinguish between such swimming strokes as the butterfly stroke, the dolphin stroke being its variety, the breast-stroke, the crawl stroke and the back-stroke. Swimmers are called accordingly: a breast-stroke swimmer, a crawl-stroke swimmer, a long-distance swimmer, a short-distance swimmer, a medium-distance swimmer, a first relay swimmer, a last relay swimmer, etc. Swimming makes people strong and healthy, it developes all parts of the body. By and large sportmen keep themselves in good form by training in swimming. There are some rules about swimming that are essential for all. The main elements in swimming are: body position, arm action, leg action, breathing, pull, push etc. in a breast-stroke breathing is closely connected with arm action. Inhalation takes place above water through the open mouth, but exhalation takes place under water or on the surface through both nose and mouth. To meet the needs of our sportmen the government has built a great number of swimmers increasing from year to year. Now swimmers can train and compete all year round.
According to the writer, Swimmers often practise ______________.
A.in the river
B.in the sea
C.in swimming-pools
D.in lakes
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Hóa Học lớp 12
