A:3x+y-11=0
B:3x-y+6=0
C:x-3y-11=0
D:3x-y-11=0
We have made a survey among 1,000 students from a middle school about their favorite food. students like fruits according to the form.
Kind of food
Chocolate
Banana
Cookie
Apple
Percentage(百分比)
Of the students
20%
30%
15%
?
对夏朝王位世袭制代替禅让制的认识,正确的是
下列关于太阳活动的叙述,正确的是( )