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Line Test Possibility Reasoning: How Not to Tangle

2019-12-26 10:12:23 | Source: Cong Gong Education

Eliminate the two wrong options, and then tangled in the remaining two options for a long time, and finally decided to choose a wrong answer resolutely, is this the most common thing you do? In the possibility reasoning, there are such problems There are not a few classmates. Then everyone will start to doubt themselves, "Is it because I haven't studied well in the strength part?" Don't be too busy to deny yourself, let's take a look at what the wrong option you chose is saying. Next , the public education will give students a key point that is easy to ignore when doing possibility reasoning.

The key point: Pay attention to distinguish unrelated irrelevant options. Don't think too much.

Example: The pH (pH value) in normal human body is stable between 7.3 and 7.45, making it slightly alkaline. The reason why it is so stable is that the human body has three major regulation systems, namely, the body's buffer system regulation, lung regulation and kidney regulation. If the body's pH is below 7.35, it is considered "acidosis." There is a theory that almost all cancer patients have an acidic constitution, so an acidic constitution can induce cancer.

If one of the following is true, this conclusion is most questioned?

A. Modern medical research confirms that cancer is caused by many factors

B. The pH of a healthy person is generally not affected by food intake

C. The human body is in an "acidosis" state and will die within a few days if it is not treated in time

D. There is no evidence that the body's regulatory system is abnormal in cancer patients, and "acid constitution" is difficult to define

[Answer] D. Chinese public analysis: The problem stems from the fact that cancer patients are almost all acidic constitutions. The introduction of acid constitutions can induce cancer. Item D pointed out that "acid constitutions" are difficult to define, so the theory of problem stems cannot be established. Item A indicates that cancer is caused by a variety of factors, but it does not mean that acidic constitution is not one of the factors, so it cannot be weakened; items B and C are irrelevant options, which are excluded; therefore, the answer is item D.

Seeing this, students may ask "why is item C irrelevant?" "Death within a few days, does it mean that it is not cancer?" Attention! First of all, "death within a few days" can be explained Isn't it cancer? Secondly, even if the cause of death is not cancer, does it mean that the patient did not have cancer before his death?

The answer is, of course: no. However, after the students added their common sense and subjective reasoning, the expression of the C term seemed to become a weakened term. This is the question I asked you at the beginning of the article today. The two options that students often tangled with. If you ca n’t choose through strength comparison and combined with the regular test model, then students should seriously consider what you have Whether the two are mixed with irrelevant expressions. "Irrelevant" here does not simply refer to words that have nothing to do with the problem, but also includes options that are ambiguous, ambiguous, seemingly weakened and strengthened, but actually have no effect.

In short, when doing a question of possibility reasoning, it is one thing to read the question and understand what the options are expressing. It is not recommended to add too much subjective inference for those expressions of options that want to weaken or strengthen, but do not actually have any effect, that is, we often say "think too much." At least, we can guarantee that the simple questions are good and the puzzles are not wrong.

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(Responsible editor: Zhang Ye)

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