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【简答题】
油菜角果由果喙、 和 三部分构成。
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反馈参考答案：
举一反三
【单选题】Hunting is at best a precarious way of procuring food, even when the diet is supplemented with seeds and fruits. Not long after the last Ice Age, around 7,000 B.C. (during the Neolithic period), some ...
A.
Why many human societies are dependent on agriculture
B.
the changes agriculture brought to human life
C.
How Neolithic peoples discovered agriculture
D.
Why the first agricultural societies failed
【简答题】procuring ________
【单选题】Optimism is a __________ shown to be associated with good physical health， less depression and longer life.
A.
trace
B.
trail
C.
trait
D.
track
【简答题】Optimism is a ________ shown to be associated with good physical health, less depression and longer life. A) trail B) trait C) trace D) track
【单选题】Optimism is a shown to be associated with go o d physical health , less depression and longer life.
A.
trail
B.
trait
C.
trace
D.
track
【简答题】生理情况下，外周血中性粒细胞核通常以几叶核为主
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