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【简答题】
听短文，从所给选项中选出最佳答案。听两遍。 1. The little dog looks at the well (井) and finds _______. [     ] A. a little boy in it B. a little girl in it C. a little dog in it 2. ______ goes to look into the well, too. [     ] A. Mike B. Jim C. Tom 3. The little dog barks all the morning because _______. [     ] A. he is hungry B. he is thirsty C. he is surprised 4. The boy looks into the well and gets to know _______. [     ] A. why the dog barks B. what the dog wants C. there is too much water 5. Which is not right? [     ] A. Mike wants the dog to leave the well.  B. The dog barks for help all day.  C. The dog in the water is the little dog's reflection (倒影) in the water.
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皮皮学刷刷变学霸
举一反三
【多选题】计算相关系数时(    )
A.
相关的两个变量都是随机的
B.
相关的两个变量是对等关系
C.
相关的两个变量，一个是随机的，一个是对等的
D.
可以计算出自变量和因变量两个相关系数
E.
相关系数有正负号
查看完整题目与答案
【多选题】计算相关系数时
A.
相关的两个变量都是随机的
B.
相关的两个变量是对等的关系
C.
相关的两个变量一个是随机的，一个是可控制的量
D.
相关系数有正负号，可判断相关的方向
E.
可以计算出自变量和因变量两个相关系数
查看完整题目与答案
【单选题】According to the author, what is the first impression of the various ruins?
A.
They formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They were what was left of the new territory.
D.
They were what remained of the farthest city.
查看完整题目与答案
【单选题】What caused the explosion according to the news?
A.
The stored fireworks started to fire automatically.
B.
The fireworks were fired by a terrorist at the temple.
C.
Some of the fireworks fell on a building with a lot of stored fireworks.
D.
The people gathering at the temple set fire for religious celebration.
查看完整题目与答案
【单选题】What suggestion is made about the former purpose of the various ruins he could see?
A.
They had formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They were what was left of the starting point from which the Mayans had moved to new territory.
D.
They were what remained of the farthest city reached in a large-scale Mayan migration.
查看完整题目与答案
【单选题】当相关系数时，表明( )。
A.
现象之间完全无关
B.
相关程度较小
C.
现象之间完全相关
D.
无直线相关关系
查看完整题目与答案
【单选题】What suggestion is made about the former purpose of the various ruins he could see?
A.
they had formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They Were what was left of the starting point from which the Mayans had moved to new territory.
D.
They were what remained of the farthest city reached in a large-scale Mayan migration.
查看完整题目与答案
【单选题】在采用回归分析法计算相关系数时，相关系数越接近于1，说明X与Y之间的相关程度越(    )。
A.
大    
B.
无关    
C.
小    
D.
负向相关
查看完整题目与答案
【单选题】What did the government official say about the explosion?
A.
The fireworks should be strictly supervised at the temple.
B.
The fireworks display had not been permitted to be held.
C.
The fireworks were displayed in a wrong way.
D.
Any fireworks display should be forbidden in the future.
查看完整题目与答案
【单选题】What suggestion is made about the former purpose of the various ruins he could see?
A.
they had formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They were what was left of the starting point from which the Mayans had moved to new territory.
D.
They were what remained of the farthest city reached in a large-scale Mayan migration.
查看完整题目与答案
相关题目：
【多选题】计算相关系数时(    )
A.
相关的两个变量都是随机的
B.
相关的两个变量是对等关系
C.
相关的两个变量，一个是随机的，一个是对等的
D.
可以计算出自变量和因变量两个相关系数
E.
相关系数有正负号
查看完整题目与答案
【多选题】计算相关系数时
A.
相关的两个变量都是随机的
B.
相关的两个变量是对等的关系
C.
相关的两个变量一个是随机的，一个是可控制的量
D.
相关系数有正负号，可判断相关的方向
E.
可以计算出自变量和因变量两个相关系数
查看完整题目与答案
【单选题】According to the author, what is the first impression of the various ruins?
A.
They formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They were what was left of the new territory.
D.
They were what remained of the farthest city.
查看完整题目与答案
【单选题】What caused the explosion according to the news?
A.
The stored fireworks started to fire automatically.
B.
The fireworks were fired by a terrorist at the temple.
C.
Some of the fireworks fell on a building with a lot of stored fireworks.
D.
The people gathering at the temple set fire for religious celebration.
查看完整题目与答案
【单选题】What suggestion is made about the former purpose of the various ruins he could see?
A.
They had formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They were what was left of the starting point from which the Mayans had moved to new territory.
D.
They were what remained of the farthest city reached in a large-scale Mayan migration.
查看完整题目与答案
【单选题】当相关系数时，表明( )。
A.
现象之间完全无关
B.
相关程度较小
C.
现象之间完全相关
D.
无直线相关关系
查看完整题目与答案
【单选题】What suggestion is made about the former purpose of the various ruins he could see?
A.
they had formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They Were what was left of the starting point from which the Mayans had moved to new territory.
D.
They were what remained of the farthest city reached in a large-scale Mayan migration.
查看完整题目与答案
【单选题】在采用回归分析法计算相关系数时，相关系数越接近于1，说明X与Y之间的相关程度越(    )。
A.
大    
B.
无关    
C.
小    
D.
负向相关
查看完整题目与答案
【单选题】What did the government official say about the explosion?
A.
The fireworks should be strictly supervised at the temple.
B.
The fireworks display had not been permitted to be held.
C.
The fireworks were displayed in a wrong way.
D.
Any fireworks display should be forbidden in the future.
查看完整题目与答案
【单选题】What suggestion is made about the former purpose of the various ruins he could see?
A.
they had formed part of the capital of a new Mayan kingdom.
B.
They were what remained of a temple to sky gods.
C.
They were what was left of the starting point from which the Mayans had moved to new territory.
D.
They were what remained of the farthest city reached in a large-scale Mayan migration.
查看完整题目与答案