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【多选题】
下列果实属于假果的是A.
西瓜
B.
菠萝
C.
苹果
D.
桃
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【简答题】何谓GVHR?其发生与哪些因素有关?
【单选题】听力原文： Born in 1879, in Ulm, Germany, Einstein was two years old when his parents moved to Munich. There his father opened a business in electrical supplies. As a boy, Einstein did not learn to talk un...
A.
His teaching.
B.
His theory of relativity.
C.
His theory on advanced mathematics.
D.
His research.
【单选题】Albert Einstein Born in 1879, in Ulm, Germany, Einstein was two years old when his parents moved to Munich. There his father opened a business in electrical supplies. As a boy, Einstein did not learn ...
A.
Y
B.
N
C.
NG
【单选题】k 元线性回归模型对回归系数显著性进行 t检验 , n 为样本个数, 原假设 H 0 : b j =0 ,备选假设 H 1 : b j 1 0 , 当 时拒绝原假设。
A.
| t |≥ t a /2 ( n -2)
B.
t ≥ t a /2 ( n -2)
C.
| t |≥ t a /2 ( n- k -1 )
D.
t ≥ t a /2 ( n- k -1 )
【多选题】环境感知包括车辆_______、_______、行人感知、_______、交通标识感知、交通状况感知、周围车辆感知等。
A.
本身状态感知
B.
行为感知
C.
道路感知
D.
交通信号感知
【多选题】k 元线性回归模型对回归系数显著性进行t检验 , n 为样本个数,对应概率P值 Prob. ≤ a 时 。
A.
等价于 | t |≥ t a /2 ( n - k-1 )
B.
等价于 | t |< t a /2 ( n - k-1 )
C.
接受 原假设
D.
拒绝原假设
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【多选题】环境感知包括车辆_______、_______、行人感知、_______、交通标识感知、交通状况感知、周围车辆感知等。
A.
本身状态感知
B.
行为感知
C.
道路感知
D.
交通信号感知