皮皮学，免费搜题
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【多选题】
关于自回归模型，下列表述正确的有
A.
估计自回归模型时的主要问题在于，滞后被解释变量的存在可能导致它与随机干扰项相关，以及随机干扰项出现序列相关
B.
Koyck 模型和自适应预期模型都存在随机解释变量与随机干扰项同期相关问题
C.
局部调整模型中随机解释变量与随机干扰项没有同期相关，因此可以应用OLS估计
D.
无限期分布滞后模型通过一定的方法可以转换为一阶自回归模型
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皮皮学刷刷变学霸
举一反三
【判断题】Eating local produce is good for the environment.
A.
正确
B.
错误
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【单选题】（     ）法是故意设问来表达幼儿情趣的构思方法。它能吸引幼儿的注意力，增加诗的趣味性。
A.
假设法
B.
拟人法
C.
比喻法
D.
疑问法
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【单选题】Healthy eating is a good way to avoid suffering from heart disease.
A.
True
B.
False
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【单选题】Eating fruits is good your health, because it is in vitamin.
A.
for; short
B.
of; low
C.
for; short
D.
for; rich
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【简答题】完型填空。 Do you have a healthy eating habit? As we know, a healthy eating habit is good 1 health. Of all the things we eat and drink, 2__ is the most important. Not _  3 people know this, but it is quite...
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【单选题】Fe2S3的溶度积表达式是( )。
A.
Ksp=[Fe³+][S²-]
B.
Ksp=[Fe₂³+][S₃²-]
C.
Ksp=[Fe³+]2[S²-]³
D.
Ksp=[2Fe³+]2[S²-]³
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【单选题】Eating much junk food _____ your health. [     ]
A.
is good for
B.
 is good to
C.
is bad for
D.
is bad to
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【简答题】阅读理解。 Snake meat is popular in restaurants. Some people think eating snakes is good for their health. But these people don't know that snakes feed on mice and worms, so there are many parasites (寄生虫) ...
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【单选题】Eating more vegetables is good your helth.
A.
at
B.
for
C.
with
D.
to
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【简答题】阅读理解。 Snake meat is popular in restaurants. Some people think eating snakes is good for their health. But these people don't know that mice and bad worms are often in snakes' bodies. And we're sorry t...
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相关题目：
【判断题】Eating local produce is good for the environment.
A.
正确
B.
错误
查看完整题目与答案
【单选题】（     ）法是故意设问来表达幼儿情趣的构思方法。它能吸引幼儿的注意力，增加诗的趣味性。
A.
假设法
B.
拟人法
C.
比喻法
D.
疑问法
查看完整题目与答案
【单选题】Healthy eating is a good way to avoid suffering from heart disease.
A.
True
B.
False
查看完整题目与答案
【单选题】Eating fruits is good your health, because it is in vitamin.
A.
for; short
B.
of; low
C.
for; short
D.
for; rich
查看完整题目与答案
【简答题】完型填空。 Do you have a healthy eating habit? As we know, a healthy eating habit is good 1 health. Of all the things we eat and drink, 2__ is the most important. Not _  3 people know this, but it is quite...
查看完整题目与答案
【单选题】Fe2S3的溶度积表达式是( )。
A.
Ksp=[Fe³+][S²-]
B.
Ksp=[Fe₂³+][S₃²-]
C.
Ksp=[Fe³+]2[S²-]³
D.
Ksp=[2Fe³+]2[S²-]³
查看完整题目与答案
【单选题】Eating much junk food _____ your health. [     ]
A.
is good for
B.
 is good to
C.
is bad for
D.
is bad to
查看完整题目与答案
【简答题】阅读理解。 Snake meat is popular in restaurants. Some people think eating snakes is good for their health. But these people don't know that snakes feed on mice and worms, so there are many parasites (寄生虫) ...
查看完整题目与答案
【单选题】Eating more vegetables is good your helth.
A.
at
B.
for
C.
with
D.
to
查看完整题目与答案
【简答题】阅读理解。 Snake meat is popular in restaurants. Some people think eating snakes is good for their health. But these people don't know that mice and bad worms are often in snakes' bodies. And we're sorry t...
查看完整题目与答案