选C
(x-4)/20=(24-4)/100
100摄氏度------刻度24
0摄氏度---------刻度4
1摄氏度,刻度变化(24-4)/100=0.2
20摄氏度------刻度为4+20*0.2=8
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你给的题目,答案是:8摄氏度。888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888 !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
答案是第三个c