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GWD9-20 新疑问

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发表于 2012-10-21 19:36:26 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
Q20:





Favorable



Unfavorable



Not Sure



Candidate M



40



20



40



Candidate N



30



35



35





The table above shows the results of a survey of 100 voters each responded “favorable” or “unfavorable” or “not sure” when asked about their impressions of candidate M and of candidate N.What was the number of voters who responded “favorable” for both candidates?

(1)The number of voters who did not respond “favorable” for either candidate was 40.

(2)The number of voters who responded “unfavorable” for both candidates was 10.

答案A  
我的思路是喜欢+不喜欢+不确定=100

但是我看不懂图表,题目没有可以說同时喜欢MN,所以喜歡M就不能喜歡N呀,请问我错在哪 ?








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