There are three very clever people in a row. There are five hats, two yellow hats and three red hats, which are randomly worn on the heads of three people. The last person can see the heads of the first two people, and the middle person can see the head of the first person, but can't see their heads. At this time, ...
Someone asked the last person, "Do you know the color of your hat?"
The last person replied, "I don't know."
Others asked the man in the middle, "Do you know what color the hat is on your head?"
The man in the middle replied, "I don't know."
Finally, someone asked the person in front: "Do you know what color the hat is on your head?"
The man in front replied, "I know."
Question: "What color are the hats on their heads?"
2. These are two logical questions in the entrance examination for graduate students in American universities. This is the only barrier to American elite education. This kind of question helps and forces people to learn to analyze, demonstrate and divergent thinking. The topic has been translated into Chinese in July, so friends may wish to have a try.
Note: Both questions are multiple choice questions.
Title: 2 questions
Difficulty: easy.
Time limit for each question: 2 minutes and 30 seconds.
First question: European companies and Japanese companies try to imitate their competitors in the United States. Today, American equipment manufacturers introduce European scientists to lead their research teams; The designs of American automakers are imitating products imported from Germany, Italy and France; The American e-commerce takes the advertisement whose product quality and reliability are comparable to "Japanese style" as its marketing strategy. In the field of high technology, the United States has lost its international prestige.
All the following statements, except one, can support the above view:
A) An American photographic equipment company claims that its slogan for promoting product quality is "as good as made in Switzerland".
B) An American manufacturer of audio components imitates the products of the most popular Japanese company in design.
C) The brand of American video game manufacturer is called Chosen because it sounds like Japanese.
D) An American TV manufacturer studies TV sets made in Germany to learn technology.
E) An American frozen food supplier advertised that its products tasted like "dishes carefully cooked by French and Italian chefs".
What's your answer in 2 minutes and 30 seconds?
Question 2: Due to the strict air pollution management of local industries in London in recent years, the number of birds observed in and around London has risen sharply. Other big cities should also implement similar air pollution control.
The following are the assumptions of the above conclusions, except which one:
A) In most big cities, air pollution problems are basically caused by local industries.
B) Industrial air pollution management has an important impact on air quality.
C) Don't let the air pollution problems in other big cities be similar to those in London.
D) It is desirable to increase the number of birds in the city and its surrounding areas.
E) The increase in the number of birds observed in and around London reflects the actual situation of the number of birds in this area.
What's your answer in 2 minutes and 30 seconds?
The correct answer will be announced later. : )
In order to avoid mistakes in translation in July, the original title is attached as follows:
No. 1
European and Japanese companies once tried to imitate their American rivals. Today, American home appliance manufacturers introduce European scientists to lead their researchers; The cars designed by American automakers imitate the styles of cars imported from Germany, Italy and France. American electronics companies boast of their "Japanese style" investment in quality and reliability in advertisements. In the high-tech field, the United States has lost the battle for international prestige.
Each of the following statements, if true, will help to support the above claims, except:
(a) An American camera company claims in its promotional materials that its cameras are "as good as the best Swiss imported products".
(b) The products designed by an American stereo component manufacturer are similar to those of a popular Japanese company.
(c) An American video game manufacturer used a brand name because it sounded like a Japanese word.
(d) An American TV set manufacturer studies TV sets made in Germany in order to adopt German manufacturing technology.
(e) An American frozen food manufacturer advertised its dinner as "a real European main course cooked by famous French and Italian chefs."
second
Since the city of London imposed strict air pollution regulations on local industries, the number of birds in London and its surrounding areas has increased dramatically. Other big cities should also implement similar air pollution regulations.
Each of the following is an assumption made in the above argument, except:
(a) In most big cities, air pollution problems are almost entirely caused by local industries. (key)
(b) The air pollution regulations on industry have a significant impact on air quality.
(c) The air pollution problems in other major cities are basically similar to those suffered by London.
(d) It is desirable to increase the number of bird species in and around cities.
(e) The increase in bird species seen in and around London reflects the actual increase in the number of species in this area.
3. A logical problem that caused a national debate among American college students.
1September, 990, the column "Ask Marilyn" in American Square magazine published the following logical questions:
Suppose you are playing a game show. Here are three doors for you to choose from: a car is behind one door, and a goat is behind the other two doors. Of course, your goal is to get a more valuable car, but you can't see the real situation behind the door. The host will let you make the first choice first. After you choose one door, the owner who knows what is behind the other two doors opens the other door for you to see. Of course, there is a goat there. Now the host tells you that you have another chance to choose. Then, please think about it. Are you more likely to get a car by sticking to your first choice or changing your first choice?