2. 外语
  3. Because her test turned out to be more difficult than she intended it to be, a teacher decided to adjust the grades by deducting

Because her test turned out to be more difficult than she intended it to be, a teacher decided to adjust the grades by deducting

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问题 Because her test turned out to be more difficult than she intended it to be, a teacher decided to adjust the grades by deducting only half the number of points a student missed. For example, if a student missed 10 points, she received a 95 instead of a 90. Before the grades were adjusted the class average was A. What was the average after the adjustment?
选项 A、 
B、 
C、 
D、 
E、 
答案A
解析
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