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【判断题】
间作是同一田地里按一定次序同时种植两种或几种作物,一种为主另外一种或几种为间作物的种植制度。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】用一致对来考察两个变量n对等级数据的相关程度的指标是( )。
A.
Kendall tau
B.
Spearman 等级相关系数
C.
Kendall’W
D.
K-S 值
【简答题】中学教育学古代埃及设置最多的是什么学校？
【简答题】I have many books .
【简答题】One of the best-known American writers of children’s books is Alfred Strong, or Doctor Strong, as he is better known to readers everywhere. Now, an art show called “Doctor Strong from then to now” is ...
【简答题】One of the best-known American writers of children's books is Alfred Strong, or Doctor Strong, as he is better known to readers everywhere. Now, an art show called 'Doctor Strong From Then to Now' is ...
【简答题】I have many books. (改为否定句)
【简答题】为提高U形压差计的灵敏度较高，在选择指示液时，应使指示液和被测流体的密度差(ρ指-ρ)的值( )。 A.偏大 B.偏小 C.越大越好
【简答题】The ability to keep calm is one of his many _________ (strong).
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