题目内容

Fill in the blanks with appropriate verbs from the text.The terrible blow did great damage to his brain, which would never be the same again even if he ________ consciousness.

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Fill in the blanks with appropriate verbs from the text.He felt colder and hungrier as the night advanced. The snow, however, luckily ________ away after midnight.

Fill in the blanks with appropriate verbs from the text.The ship finally sank. Of the close to 3,000 people who boarded it, only 257 ________.

动物细胞有丝分裂前期不具有的特征是( )

A. 染色质凝集成染色体
B. 核膜消失
C. 核仁消失
D. 中心粒复制
E. 中心粒周围出现星射线

有丝分裂器的形成是在( )

A. 间期
B. 前期
C. 前中期
D. 后期
E. 末期

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