水中闭气
Authored by LI Moe
Physics
3rd Grade
Used 1+ times
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5 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
游泳前，记得带上什么？
鞋子
泳镜
泳帽
救生衣
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这是什么步骤？
慢慢地把气吐出来，吐完气后才站出来
水中闭气前，先适应水性
四肢放松，身体自然浮起
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这是什么步骤？
慢慢地把气吐出来，吐完气后才站出来
水中闭气前，先适应水性
四肢放松，身体自然浮起
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这是什么步骤？
慢慢地把气吐出来，吐完气后才站出来
水中闭气前，先适应水性
四肢放松，身体自然浮起
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
适应水性后，我们要做什么呢？
重复大口吸气，然后屏住呼吸
站起来，直接往水里闭气
四肢放松，直接往水里闭气
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