【Tony'sfather，Mr．Baker，losthisjoblastyear．Butnow，hehashisownfastfoodshop．It'snotverybig，butitsellsalotoffood，drinks，dessertsandsoup．Manypeoplelikethehamburgersthere．TodayisSunday．Tonygotupverye】

　　Tony's father，Mr．Baker，lost his job last year．But now，he has his own fast food shop．It's not very big，but it sells a lot of food，drinks，desserts and soup．Many people like the hamburgers there．Today is Sunday．Tony got up very early．After breakfast，he went to his father's shop and made a line graph（线状图表） for him to show the number of hamburgers he sold．Now please look at the graph and today's menu to choose the best answer．

　　BAKER"S FAST FOOD

　　Today's Menu

　　Chips￥4.50

　　Hamburger￥8.00

　　Apple Pie￥4.50

　　Ice Cream￥2.00

　　Coke￥3.50

　　Juice￥3.50

　　Chicken￥4.20

　　Beef￥4.50

　　Hamburgers sold，Jan-Jun01，0002，0003，0004，0005，000JANFEB MARAPRMAYJUNMonthNumbers

　　51．From today's menu，we know___ is the cheapest．

　　A．ice cream B．coke C．apple pie D．juice

　　52．Tony's father sold the most hamburgers in___．

　　A．January B．June C．February D．April

　　53．How much did he get by selling hamburgers in January，May and June？___

　　A．￥96，000 B．￥88，000 C．￥72，000 D．￥66，000．