Our math teacher once said that 90% of multiple-choice questions are wrong, which is simply unforgivable, because compared with other topics, choosing one of the four clocks has a very small scope. At this time, the choice of items is the key to your entry.
Under normal circumstances, 60% of the questions can basically exclude 1-2 answers by comparing four options, and then use methods (method of substitution, limit method, etc. ) Exclude the remaining 1 or 2 and find the correct answer;
In the other 40%, 30% of the questions need to be calculated. Don't forget the reference function of the option at this time.
Finally, the remaining 10% belongs to the BT category, and there may be 1 such topics at a time. For such a topic, remember to chew it well in the college entrance examination. After excluding a 1-2 option, you can temporarily select 1 (in case you don't have enough time to miss the topic) and then do other topics. You can come again when you have plenty of time. But I think it is risky to spend more than 6 minutes on a multiple-choice question unless there is plenty of time.
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The above does not involve specific issues. If you really need it, you can send me a message and tell me in detail. But my college entrance examination was seven years ago, so some questions may not be done. Do your best.