榆林2025~2026学年度高二第一学期期中校际联考地理试题

榆林2025~2026学年度高二第一学期期中校际联考地理试题于2025-11-08发布,目前已经汇总了榆林2025~2026学年度高二第一学期期中校际联考地理试题的各科答案和试卷,更多试卷答案请关注本网站。

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本文从以下几个角度介绍。

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榆林2025~2026学年度高二第一学期期中校际联考地理试题


榆林2025~2026学年度高二第一学期期中校际联考化学试题


My name is Yoon. I came here from Korea, a country far away. Soon after we settled in America, it was time to celebrate my birthday. My mother handed me a lovely 1 . “Here is a surprise!”
Jump ropes that I was longing for weren't like that, I thought. Trying not to show my 2 .I managed a smile,“Thank you,Mom.”
“A jade bracelet(玉手镯),Yoon,” my mother said. “When I was a young girl,my own mother gave me this very bracelet. Now I am giving it to you.”
“Wow! It is a wonderful present,” I said. It was so wonderful I felt afraid to 3 it from her.
“Look,Yoon,”she said. “Here is your Korean name now etched(铭刻)inside. Remember,it’s the symbol of truth and friendship.” Mom slipped(滑)the bracelet onto my wrist, with enough satisfaction.
The next day, Sally in my class noticed my bracelet during the break. “Would you like to join us to jump rope ” she asked.
“Yes!”I said, 4 at her.


2、榆林2025~2026学年度高二第一学期期中校际联考数学试题



5、榆林2025~2026学年度高二第一学期期中校际联考数学试题


4、榆林2025~2026学年度高二第一学期期中校际联考历史试题


4、榆林2025~2026学年度高二第一学期期中校际联考地理试题


2、榆林2025~2026学年度高二第一学期期中校际联考地理试题


7.A
【详解】A.从烧断细线到弹簧恢复原长的过程中,图甲所示系统所受外力之和为0,则系统动量守恒,且运动过程中只有系统内的弹力做功,所以系统机械能守恒,故A正确;
B.从烧断细线到弹簧恢复原长的过程中,图乙所示系统中由于墙壁对B有力的作用,则系统所受外力之和不为0,则系统动量不守恒,运动过程中只有系统内的弹力做功,所以系统机械能与守恒,故B错误;
C.从烧断细线到弹簧恢复原长的过程中,图乙所示系统中由于墙壁对B有力的作用,由公式可知,墙壁对图乙所示系统的冲量不为零,故C错误;
D.图丙从小球下滑到弹簧压缩量最大的过程中,只有系统内的弹力做功,所以小球、弧形槽和弹簧组成的系统机械能与守恒,由于墙壁对弹簧有力的作用,水平方向动量不守恒,故D错误。
故选A。
8.C


榆林2025~2026学年度高二第一学期期中校际联考生物答案