题目

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 foodChocolateBananaCookieApplePercentage(百分比)Of the students20％30％15％? A . 350 B . 650 C . 800 答案：B正方形的周长增加4厘米，它的边长增加　 　厘米．