题目内容

The project has an overall area of 1,000,000 square meters, of which 530,000 square meters are above the ground and 470,000 square meters are underground.

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A strong cultural atmosphere can be felt in the Tianjin Cultural Center.

Professor Smith is overjoyed and can't wait to rush there to buy a ticket.

蛋白质溶液的稳定因素是

A. 蛋白质溶液的粘度
B. 蛋白质分子表面的疏水基团相互排斥
C. 蛋白质分子表面带有水化膜
D. 蛋白质溶液属于真溶液

凝胶过滤依据的原理是

A. 破坏水化膜
B. 分子带电荷
C. 分子大小
D. 分子亲和力