魏晋南北朝时期地主土地所有制可概括为以大庄园经济为特征的士族门阀地主土地所有制。
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The author writes the passage to
A. analyze the origin of morality.
B. make comments on two books.
C. explore some animal behaviors.
D. present some intriguing findings.
平均粒重1．0～3．0 g栓剂的重量差异限度
A. ±6.5％
B. ±5％
C. ±10％
D. ±8％
E. ±7.5％
The author find Barbara Kings book
A. persuasive.
B. surprising.
C. suspicious.
D. unconvincing.
平均粒重＞3．0 g栓剂的重量差异限度
A. ±6.5％
B. ±5％
C. ±10％
D. ±8％
E. ±7.5％
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