Howdidtheeggputintothebottle?
A.Theoxygeninsidethebottlesuckedtheeggin.
B.Itbecamesaltwithouttheshell.
C.Theneckofthebottlewaswideenough.
D.Theoutsideairpressureforceditintothebottle.
正确答案:D
Howdidtheeggputintothebottle?
A.Theoxygeninsidethebottlesuckedtheeggin.
B.Itbecamesaltwithouttheshell.
C.Theneckofthebottlewaswideenough.
D.Theoutsideairpressureforceditintothebottle.
正确答案:D