摘要： The underlined word "meander" means . A. to follow a winding course B. to move aimlessly C. to walk straight D. to adjust directions 73. We cannot walk exactly straight because . A. our limbs have some difficulty in keeping balance B. the shape of our body is irregular C. our left legs and right legs are not the same D. we readjust the directions of walking regularly 74. We can hardly stand still after turning around a lot with our eyes closed because . A. we feel sick B. our central nerves are disturbed C. the liquid inside our inner ear will go on turning for a while after our body stops moving D. our eyes determine if we can stand still

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