作业帮all men need air,完形填空All men need air.We __1__in air from outside our __2__every breath。When you put your face under water you cannot keep it __3__long. Aswimmer cannot swim under water very long.He needs__4__.A good swimmer may swim with
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all men need air,完形填空All men need air.We __1__in air from outside our __2__every breath。When you put your face under water you cannot keep it __3__long. Aswimmer cannot swim under water very long.He needs__4__.A good swimmer may swim with
all men need air,完形填空
All men need air.We __1__in air from outside our __2__every breath。When you put your face under water you cannot keep it __3__long.
Aswimmer cannot swim under water very long.He needs__4__.A good swimmer may swim with his face in the water if he keeps turning up his __5__to take a breath through his mouth.If he goes down under the water ,he__6---come up for air every twenty or thirty__7__.
He does not take in air through his nose under the water __8__water could get in through his nose with the air and go to his lungs.__9__water in his lungs,a man __10__go on living.
all men need air,完形填空All men need air.We __1__in air from outside our __2__every breath。When you put your face under water you cannot keep it __3__long. Aswimmer cannot swim under water very long.He needs__4__.A good swimmer may swim with
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1.take
2.bodies
3.for
4.breathing
5.mouth
6.has to
7.seconds
8.because
9.With
10.cannot
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