A.The boy in red shorts is the first
B.The boy on red shorts is the first
C.The boy to red shorts is the first
A.The art room is next to the library
B.The art room is under the library
C.The art room is on the second floor
A.My adress is 135 Nine Street
B.My adress is Ninth Street 135
C.My adress is 135 Ninth Street
(i)在计算机习题C10.5的工业区事件研究中,OLS残差对滞后残差的回归给出。这对于OLS来说有何含义?
(ii)如果你想使用OLS,又想得到EZ系数的一个有效标准误,你将怎样做?
A.Howlongisourclassroom
B.Howfarisourclassroom
C.Howwideisourclassroom
A.各民族文化形成的背景完全相同
B.世界各民族的社会实践有其共性
C.各民族文化都是世界文化的组成部分
D.世界各民族的社会实践有普遍的规律