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【单选题】
下列关于t检验的说法中,正确的是( )A.
用于两样本均数比较时，要求两样本方差相等
B.
用于两样本均数比较时，若P小于0.05，说明两样本均数不同
C.
用于两样本均数比较时，t值越大说总体均数差异越大
D.
P值越小两总体均数差别越大
E.
P值越小拒绝 的理由越充分
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【简答题】What is the conclusion of the text? (Para. 8)
【简答题】What's the function of Para. 8?
【单选题】What is top sentence of Para. 8?
A.
Throughout our lives, we learn to like or dislike different activities and situations.
B.
Some people enjoy working with data and numbers.
C.
Others prefer to work with their hands.
D.
Still others like to perform in front of an audience.
【简答题】在有中心的网络中,需要依靠 AP来组网。AP的全称叫做( )典型的产品有路由器、基站等
【单选题】Which one of the following statements is NOT true according to Mark Twain?
A.
Helen tried to conquer the world by physical force.
B.
Napoleon tried to conquer the world and failed.
C.
Napoleon tried to conquer the world by physical force.
D.
Helen tried to conquer the world by power of mind.
【单选题】历史上艰险的川江是中国西部的天然屏障，近代西方殖民者千方百计开拓川江航运以打开中国西部市场。最早强迫重庆开埠以打开中国西部市场的国家是
A.
日 本
B.
德国
C.
英国
D.
美国
【单选题】According to the passage, Helen Hunt Jackson wanted ______.
A.
as much recognition as Emily Dickinson received
B.
her work to be criticized by Emily Dickinson
C.
Emily Dickinson to write better poetry
D.
Emily Dickinson's poetry to be published
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