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【单选题】
Which of the following is the main purpose of the text?A.
To prove that people think that Coke is tastier than Pepsi.
B.
To show that scientists are doing experiments on how people's brains work.
C.
To show that Coke advertising is more effective than Pepsi advertising.
D.
To prove that most people cannot tell the difference between Coke and Pepsi.
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举一反三
【简答题】工程中常用的四个强度理论中,最大拉应力理论也称为 第一 理论,形状改变能密度理论也称为 第四 理论。
【简答题】工程中常用的四个强度理论中,最大拉应力理论也称为 理论,形状改变能密度理论也称为 理论。
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