Monica and Michael brought necklaces back from their vacation.莫妮卡和迈克尔度假回来时带回了项链。
Monica's necklace: 莫妮卡的项链:

Michael's necklace: 迈克尔的项链:

They each took several pearls off of their own necklace to make a new necklace for their friend Anastasia. Now their necklaces look like this. 他们各自从自己的项链上取下几颗珍珠,为他们的朋友安娜斯塔西娅做了一条新项链。现在他们的项链是这个样子。

Question:问题:
What does Anastasia's necklace look like?安纳斯塔西娅的项链是什么样子的?




Explanation 解释
Answer: 答案:
Monica's necklace is missing three violet pearls and Michael's is missing three red pearls, and that is exactly what is in this necklace.
莫妮卡的项链少了三颗紫珍珠,迈克尔的项链少了三颗红珍珠,而这串项链上恰好就有这些。
is not correct because it contains four violet pearls. Monika’s necklace started with five violet pearls and she now has two left, so the maximum number that can be on Anastasija’s necklace is three.
这是不正确的,因为这条项链上有四颗紫珍珠。莫妮卡的项链起初有五颗紫珍珠,现在还剩两颗,所以安纳斯塔西娅的项链上最多只能有三颗。
is not correct because it contains blue and green pearls. All the green and blue pearls remain on Monika's and Michael's necklaces, so Anastasija’s necklace cannot have any green or blue pearls.
这是不正确的,因为其中包含蓝色和绿色的珍珠。所有绿色和蓝色的珍珠都还在莫妮卡和迈克尔的项链上,所以安娜斯塔西娅的项链上不能有任何绿色或蓝色的珍珠。
For the same reason, answer
is not correct.
出于同样的原因,这个答案不正确。
点击右侧文字,可获得更多在线练习题资源:>>> Bebras在线水平测试
Bebras新赛季备赛已开启,扫码领取Bebras真题资料⇓
欢迎咨询【Bebras专业辅导课程】


(Bebras每日一练部分展示)
