这两题我是真想不通
Ellen is on board a ship, from which she can see a lighthouse. The lighthouse transmits
messages to ships by flashing three coloured lights in different orders. Ellen knows that
the possible messages are as follows.
Safe to dock: red, yellow, green
Storm incoming: blue, yellow, red
Do not dock: green, red, yellow
Another ship nearby: yellow, blue, green
The lighthouse flashes a message, but later Ellen only manages to remember two of
the flashed colours, but not the order in which she saw them. One of the colours is red.
This allows her to work out which message was conveyed.
What was the message?
A Safe to dock
B Storm incoming
C Do not dock
D Another ship nearby
今年真题第32题
我估计是太dumb了 不能领会这题的意思。只记得一个red 咋选啊？
Trisha is trying to decode a secret message from her friend Brianna. She doesn’t
know the code, so she has to try to guess at what it might be.
The coded message reads: SFB HDIG KCUTDF FZXROOZ
Trisha: “I think that the first word of the message might be ‘the’. But that would mean
that the letter ‘E’ only appears once in the message, which would be unusual, because
‘E’ is a very common letter.”
Which one of the following sentences shows that Trisha has made a mistake?
A The first word of the original message might not actually be ‘the’.
B Brianna’s message might only contain one letter ‘E’, even if that is unusual.
C The code might contain numbers and other symbols, not just the letters of the
alphabet.
D Letters in the message might not always be represented by the same letters in the
code.
今年真题38题
为什么不能选B? D的观点为什么更接近
评论
第一题，Ellen只记得red和另一种颜色，就能确切知道灯塔传递的信息，那么另一种颜色必然是蓝色。答案应该是B storm incoming。
评论
32 能破解就只能是blue 其他颜色都重复了
38 同不明白
评论
我现在明白了，妈的 原来这么简单一道题，脑子转不过想错了方向
评论
38 题里， 如果Trisha的假设成立，SFB 代表THE，那么他的逻辑应该是
S后一位是T
F后两位是H
B后三位是E,
按照此逻辑， HDIG 对应的单词为LION, KCUTDF 对应SLEEPS, 此逻辑成立， 因此答案D最合理
评论
GPT 给的答案：
The sentence that shows that Trisha has made a mistake is **D Letters in the message might not always be represented by the same letters in the code**. This is because Trisha is assuming that the code is a simple substitution cipher, where each letter in the message is replaced by a different letter in the code. However, this might not be the case. Brianna might have used a more complex code, where the same letter in the message can be represented by different letters in the code, depending on its position or context. For example, the letter 'E' might be represented by 'F' in the first word, but by 'Z' in the last word. Therefore, Trisha cannot rely on the frequency of letters to decode the message. She needs to look for other clues, such as patterns, word lengths, or common words.
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