GRE考试

【单选题】
A、candy assortment consists of seven flavors of chocolate—covered creams packed in two—layered boxes with 27 creams in each layer．The flavors are always packed in rows so that the flavor varies with each piece in the following order：vanilla，orange，cherry，vanilla raspberry，lime，pecan， cherry，lemon． How many chocolate—covered vanilla creams are needed to pack 200 boxes of the assortment

A、600B、1，200
C、1，800
D、2，400
E、3，600

网考网参考答案：D
网考网解析：
一份包括7种口味的巧克力奶糖被装在双层盒子中，每层装27块奶糖。每行放嚣的奶糖块块口味不同且以如下口味顺序放置：vanilla，orange，cherry，vanilla，raspberry，lime．pecan，cherry，lemon。问200个糖果盒中需要装多少块vanilla口味的巧克力奶糖 糖果盒的每行9块糖中有2块是vanilla口味，每层有27÷9=3行，每个盒子中有2层糖，那么每个盒子中vanilla口味的奶糖有2×3×2=12块，所以两个盒子有共有vanilla口味的奶糖12×200=2400块。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>