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20 0 2年全国高考数学文史类试题注重对数学基本知识、基本技能的考查 ,特别注重对考生思维能力及应用数学知识解决实际问题能力的考查 ,本文拟对考生第 ( )卷答题中常见错误略作分析 .1 7题 如图 1 ,某地一天从 6时至 1 4时的温度变化曲线近似满足函数y =Asin(ωx +φ) + b.
In the year of 2020, the examination questions in mathematics and history of the national college entrance examination focused on the examination of basic mathematics knowledge and basic skills, and paid particular attention to the examinee’s thinking ability and the ability to apply mathematics knowledge to solve practical problems. This article is intended to deal with the common mistakes in the answer to the examinee’s vol. Slightly analyzed. 17 problems as shown in Figure 1, a day from 6 to 14 when the temperature change curve approximately satisfies the function y = Asin (ω x + φ) + b.