问题
单项选择题
Seasickness is caused by rolling or rocking motions which affect fluids in the().
A.stomach
B.lower intestines
C.inner ear
D.bladder
答案
参考答案:C
Seasickness is caused by rolling or rocking motions which affect fluids in the().
A.stomach
B.lower intestines
C.inner ear
D.bladder
参考答案:C