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SAT官方逐日一题附答案息争析[数学](2020年7月7日)

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Mathematics

In a recent study to determine how often people in different parts of the United States check the weather, a random sample of residents in New England and a random sample of residents on the West Coast were surveyed. The study found over 90% of people surveyed in New England checked the weather daily, while 70% of people surveyed on the West Coast did so. If the margin of error of both samples were the same, which of the following statements is best supported by the study's findings?

A.People in New England check the weather more often because the climate is colder than on the West Coast.
B.People in New England check the weather more often because there is more weather coverage on television than there is on the West Coast.
C.There is evidence that people in New England check the weather more often than people on the West Coast.
D.There is evidence that people in New England check the weather on their smartphones more than do people on the West Coast.

重点单词   检查全部表明    
conclusion [kən'klu:ʒən]

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n. 结论

 
evidence ['evidəns]

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n. 依据,证据
v. 证明,证明

遐想影象
interview ['intəvju:]

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n. 访问,会晤,口试,面谈
vt. 访问,采

 
survey [sə:'vei]

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v. 观察,反省,丈量,勘定,纵览,环顾
n.

 
margin ['mɑ:dʒin]

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n. 差额,利润,页边空缺,边沿
vt. 使围

 
guarantee [.gærən'ti:]

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n. 包管,包管书,包管,包管人,抵押品
vt

 
reasonable ['ri:znəbl]

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adj. 公道的,过度的,通情达理的

 
sample ['sæmpl]

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n. 样品,样本
vt. 采样,取样

遐想影象
random ['rændəm]

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adj. 随机的,随意的,恣意的
adv. 随

 
check [tʃek]

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n. 反省,支票,账单,克制,制止物,查验规范,方格图案

遐想影象

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