Theexperimentiscarriedcuttoprove______.
A.waterpushesonyourbodywhenyouswimunderwater.
B.theearthissurroundedbyalayerofaircalledtheatmosphere.
C.thepressureofairaroundushasapowerfulforce.
D.theairpressureisnotequalizedaroundus.
正确答案:C
Theexperimentiscarriedcuttoprove______.
A.waterpushesonyourbodywhenyouswimunderwater.
B.theearthissurroundedbyalayerofaircalledtheatmosphere.
C.thepressureofairaroundushasapowerfulforce.
D.theairpressureisnotequalizedaroundus.
正确答案:C