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【单选题】
关于标准差 , 表述正确的是A.
标准差与原始数据的单位不相同
B.
标准差与原始数据的单位相同
C.
标准差没有单位
D.
同一资料的标准差一定比均数大
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【简答题】完形填空 Today is Sunday. Bill, Michael, Judy and I 1 any classes. We go to the zoo to see the 2 with Mr. Green. Mr. Green is our English teacher. He is very 3 to us. We take a bus to the zoo. We want to ...
【简答题】完形填空。 There're different kinds of animals in the zoo. We see the zoo keepers give them 1 to eat. They don't have to 2 food by themselves. They just eat, walk and 3 all day. So many of 4 may think that...
【判断题】阅读短文判断正误 Dad took us to the zoo today. We went there by car. We were very happy. At the zoo, we sao many animals. The elephants were tall and big. There was a baby elephant. It was very lovely. I took...
A.
正确
B.
错误
【单选题】Shall we go to the zoo tomorrow?（）
A.
It doesn't matter
B.
That's nothing
C.
Good idea
D.
You're welcome
【简答题】完形填空。 There're different kinds of animals in the zoo. We see the zoo keepers give them food to eat. The animals don't have to 1 food by themselves. They just eat, walk and 2 all day. So many of 3 may ...
【简答题】句型转换，每空一词。 ①We go to the zoo first. (改为同义句) _________ _________ to the zoo first. ②They like the white cat because it's very smart . (就画线部分提问) ________ _________ they like the white cat? ③He likes pla...
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