1, three long and one short, three short and one long. If two things are long and two things are short, choose B, and the uneven C is invincible. ?

2, give priority to with Mongolia, supplemented by copying, combining Mongolia and copying to ensure passing. ?

3. Cultivate a sense of ignorance. This so-called "ignorance" is the feeling of this puzzle.

Because it is impossible for a candidate not to do a question on a piece of paper (of course, there are exceptions), and there is a great possibility that there are questions that cannot be done. It depends on the feeling of being covered at this time. Therefore, candidates who often take exams know that most of the multiple-choice questions choose B and C. Therefore, if you encounter a problem that you can't, you will rely on B and C, and the chances will be even greater.

Answer skills (exclusion method):

1, in multiple-choice questions, if two or more options have a progressive relationship, that is, two or.

Two or more options will be created at the same time, so the correct item can only be found outside the above options. ?

2. In multiple-choice questions, if two or more options are similar or similar, that is, these two or two.

The above options will be established at the same time, so the correct project can only be found outside the above options. ?

3. In multiple-choice questions, once there is a pair of options with opposite contents, the correct option is often opposed by these two.

Options.