Three long and one short choose the shortest, three short and one long choose the longest two long and two short choose B, choose A with the same length, choose D and C with different lengths, mainly copying, supplemented by Mongolia, invincible, and must be qualified.

When doing multiple-choice questions, there are generally four options: A, B, C and D. According to the meaning of this sentence, it depends on the length of the four options of ABCD. If the answers to the three options are long and the answer to the fourth option is short, we should choose the one with the short answer. On the contrary, the answers to the three options are short and the answer to the fourth option is long.

The formula of problem-solving skills in multiple-choice questions

exclusive method

1. For example, in multiple-choice questions, if two or more options have a progressive relationship, that is, two or more options will be established at the same time, then the correct item can only be found outside the above options.

2. For example, in multiple-choice questions, if two or more options are similar or similar in content, that is, the two or more options will be established at the same time, then the correct item can only be found outside the above options.