Seasickness is caused by rolling or rocking motions which affect fluids in the（）.<br>A:stomach<br>B:lower intestines<br>C:inner ear<br>D:bladder

Seasickness is caused by rolling or rocking motions which affect fluids in the（）.
A:stomach
B:lower intestines
C:inner ear
D:bladder

出自：海船船员证

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