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【单选题】
下列不属于果树群体结构的构成因素的是:A.
生长状况
B.
树冠覆盖率
C.
树冠高度
D.
叶面积系数
拍照语音搜题，微信中搜索"皮皮学"使用
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知识点：
皮皮学刷刷变学霸
举一反三
【单选题】— Did you see what the thief looks like? — No, so quickly_______ that I couldn't see him clearly. [ ]
A.
did he run away
B.
ran away he
C.
does he run away
D.
he runs away
【单选题】—Did you see who the driver was? —No, so quickly, that I couldn’t gat a good look at his face.
A.
did the car speed by
B.
the car sped by
C.
does the car speed by
D.
the car speeds by
【单选题】Where __________ you this afternoon? I didn't see you. [ ]
A.
were
B.
did
C.
are
D.
was
【简答题】在中国古代的神话传说中有三位圣王,他们是 、 、 。
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