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1、2023届衡水金卷先享题 分科综合卷 全国III卷 理综(一)1答案
2、2023年普通高等学校招生全国统一考试模拟试卷衡水金卷先享题分科综合卷全国甲
3、衡水金卷先享题2023分科综合卷 新教材
12.(1)小于(3分)(2)e(Uo-a)avo(每空3分)Voa-Uo【解析】(1)断开开关S,用单色光1照射光电管的阴极K,电流表始终没有示数，表明没有发生光电效应，则产生操作①中现象的原因是单色光1的频率小于光电管阴极K的截止频率。(2)设阴极K的截止频率为1，根据光电效应方程有Ekmax=hy一hv1,又因为eU=Ekmax,则Uhv_h,结合题图乙可知hvihUa,联立解得三avoe(U。-a),h=eV0V1一UVo
Dear Ms. Smith,
I appreciate your help very much. On the first day of camp, you came up to myself while I was sitting alone. After that, you always gave me specially attention and encouraged to me to join in activities. As the result, I gradually got to know the other campers. Because the help you gave me that summer, my life changed. I gained so much confidence that I go back to school as a new person. My grades improved. I became very active but made new friends. Today, I got a letter that said I had been admitting into a college. I am proud of it. I just want to thank you for helping me becoming a different person.
试题答案
1.of 后面加the
2.myself改成 me
3.specially 改成special
4.去掉to
5.the 改成 a
6.because 后加of
7.go 改成went
8.but 改成 and
9.admitting改成admitted
10.becoming 改成become
【解析】
试题分析：短文改错题
1. 后面加the；第二句On the first day of camp中camp在文中是一种特指，因此前面要加上定冠词the。故要在of 后面加the
2. me；第二句后部分you came up to myself while I was sitting alone.中came up to到达，to是介词，后接名词的宾格形式。myself是反身代词，而“我”的宾格形式是me。故把myself改成 me。
3. 改成special；第三句you always gave me specially attention中，specially adv.特别地； 专门地； 特意地； 格外地。special adj.特殊的； 专门的； 专用的。这里修饰attention注意，名词，要用副词形式。故把specially 改成special。
4. to me to join in activities中，encourage鼓励，鼓舞，是及物动词，encourage sb鼓励某人，不需要介词。故要去掉to
5. 改成 a；第四句As the result中，固定搭配是as a result，因此，所以。故要把the 改成 a。
6. 后加of；第五句Because the help you gave me that summer中，the help you gave me that summer是一个名词短语，因此前面要使用介词，而Because of是介词短语，表示“因为，由于”。故because 后加of
7. 改成went；第六句I gained so much confidence that I go back to school as a new person中，前面使用过去式gained，因此主从句时态要一致，这里也应该是过去式，故go 改成went。
8. 改成 and；第七句My grades improved. I became very active but made new friends.中，我成绩提高，变得积极和交到新朋友，是并列而不是转折关系。故要把but 改成 and。
9. I got a letter that said I had been admitting into a college.中，admit允许； 确认；而这里是被允许，故要用被动时态。故要把admitting改成admitted。
10. 改成become；最后一句I just want to thank you for helping me becoming a different person. 中，help的用法是help sb (to)do sth，帮助某人做某事。故要把becoming 改成become。
考点：考查短文改错
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