名校大联考2022~2023学年度高三第二次联考(YN AH SX HLJ JL)政治答案

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第三部分写作（共两节，满分35分）】第一节短文改错（共10小题；每小题1分，满分10分）假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。删除：把多余的词用斜线（八）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意：1.每处错误及其修改均仅限一词；2.只允许修改10处，多者（从第11处起）不计分。I was far behind most of my classmate when I become a senior three student.Moreover,I couldn't followclassmatesbecamethe teacher completely in class.One day,I was too much exhausted and confused to concentrate on which thewhatteacher taught.Unfortunate I was invited to share my own idea.As you can imagine,I couldn't say a word.UnfortunatelyFeeling embarrassing,I A ready to be criticized.Much on my astonishment,the teacher instructed andembarrassedwastoencouraged me patiently.I was such touched that I was determined to try his best to study hard.Now I am quiteSomyconfident about my study.

16.已知函数f(x)=23sin2cos2受(w>0)的周期为行，当x∈[0，]时，函数g(x)=f(x) k恰有两个不同的零点，则实数k的取值范围是【答案】(-3，一2]【解析】函数f)=25sin7cos管 2cos受-5 sin十0 1=2 2sin(or -） 1,因为画教f(x)的周期为行，所以他=2经-3，则fe)-2sin(3x 晋） 1.国为当z0,]时，通数gx)=f) 6格有两2π3个不同的零点，所以当x∈[0，]时，方程f(x)=一格有两个不同的根，在同一坐标系中作出函教)=f(x),y=一k的图象如图所示，由图象可知2≤一k<3,即一3