题目内容
微载体特别适合贴壁细胞，放大简单易行，污染风险低。（）
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细胞能在微载体表面附着并呈单层生长繁殖，又能通过低速持续搅动，随着微载体保持悬浮状态。（）
They were so behaved in the debate that we find it difficult not to admire them.
These experts will give a series of special lectures on the up-to-date Internet techniques and services which are available to Chinese users.
In the world today any damage to society, whether at the local or at the global level, will not remain unnoticed.
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