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【单选题】
承重材料除了承受外部荷载,还需要承受自重,反映材料轻质高强的指标是( )。A.
表观密度
B.
密实度
C.
比强度
D.
强度
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【简答题】你包里有液体吗?
【简答题】After death, _____ became the only American poet was honored with a bust in the Poet’s Corner.
【简答题】After death, _____ became the only American poet who was honored with a bust in the Poet’s Corner.
【单选题】She felt honored to be chosen as the only female ___to attend an international meeting.
A.
representative
B.
represents
C.
to represent
D.
to representative
【简答题】微分中值定理作业.docx
【单选题】She felt honored to be chosen as the only female ___to attend an international meeting.
A.
representative
B.
to represent
C.
represents
D.
to representative
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