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专题十 计数原理 第三十讲 排列与组合 一、选择题 1．(2018 全国卷Ⅱ)我国数学家陈景润在哥德巴赫猜想的研究中取得了世界领先的成果．哥 德巴赫猜想是“每个大于 2 的偶数可以表示为两个素数的和”，如30

Ⅰ. 把下列句子改为被动语态1. He had broken his arm when I saw him.2. Lucy had already completed the project when I arrived.3. I had sold out the ticket when she came.4. They began to climb the mountain after they had bought all the foodand drinks.5. I had turned off all the lights before I went to bed.答案：1. When I saw him his arm had been broken.2. When I arrived the project had already been completed.

Ⅰ. 阅读理解In Europe, many people make friends across theborders through town twinning. Two towns in differentcountries decide to become twin towns.Their citizens find pen-friends in the twin town.They exchange newspapers and stamps. The school teachers discussteaching methods with the teachers in the twin town. Officials visit thetwin town for celebrations

全省“改革创新、奋发有为”大讨论 专题组织生活会示范党支部 资料汇编 山西太钢能源动力总厂 主机作业区党支部 2019 年 3 月 2 目 录 会前准备 支部专题组织生活会和民主评议党员工作计划……………03

Ⅰ. 阅读理解In Europe, many people make friends across theborders through town twinning. Two towns in differentcountries decide to become twin towns.Their citizens find pen-friends in the twin town.They exchange newspapers and stamps. The school teachers discussteaching methods with the teachers in the twin town. Officials visit thetwin town for celebrations. Ordinary citizens travel to the town, too, butnot very often if it is far away.

1986. 【语篇概述】本文是一篇人物传记, 介绍我国杰出的人民教育家、社 会活动家和爱国主义者陶行知先生一生对中国的教育尤其是对普通 民众的教育所作出的伟大贡献。 1. The underlined phrase

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Ⅰ. 用所给单词的适当形式填空1. He does nothing but __________ (talk).2. The man could do nothing but __________ (wait).3. We have no choice but __________ (leave).4. —How did you spend your weekend, Joe?—I didn’t find anything interesting for me but __________ (do)somewashing instead of my mother.5. She wished that he was as easy __________ (please)as her mother,who was always delighted with perfume.6. The work needs __________________________ (complete)by the endof the week.7. Tom pretended __________ (write)something when his mother camein.8. The news reporters hurried to the airport, only __________ (tell)thefilm stars had left.

Ⅰ. 单句改错1. People often talk about Hangzhou, that is famous for the West Lake.2. He reached London in 1996, when, some time later, he became afamous actor.3. I have never been to Dalian, where is said to be an attractive city.4. The sun gives off light and warmth, who makes it possible for plants togrow.5. In an open boat, there were four men, one of who was a doctor.

Ⅰ. 用 although/but/however/while 填空1. John is more hard-working than his sister, ________ he failed in theexam.2. ____________ he is an experienced dancer, he still needs a lot ofluck in performing.3. There is not much time left. ____________ , we must get there ontime anyway.4. She went out, ____________ I stayed at home.5. She was tired, ____________ she still went on working.6. You will be lucky if you can go into the exhibition for a visit without aticket. ____________ , this does not always happen.7. You like playing tennis, ____________ I like reading.

Ⅰ. 阅读理解Most of the sandstorms that had swept China last year came fromforeign land, a Chinese official in charge of desertification control said onMonday. And the invasions( 入 侵 )could partly explain the frequentsandstorms in the country in recent years despite its achievementsin desertification control.

Ⅰ. 单句改错1. Either my teacher or my classmates is coming. ( )2. The boy, as well as his sisters, want to go there. ( )3. What he chiefly wished for were a chance to go to university.( )4. Each of these books cost five yuan. ( )5. Five minutes aren’t enough to finish this test. ( )6. The number of the unemployed are still increasing. ( )7. A steel works have just been built there. ( )8. His family is waiting for him. ( )9. Every possible means have been used to work out the problem.( )

business studies. 【语篇概述】文章主要介绍了发达国家的教育方面的信息, 包括幼 儿园、初中、高中和大学以及为什么教育是重要的。 1. The passage mainly tells us　　　

大连理工大学网络教育学院生产实习报告报表 学 生 姓 名 ***** 学 号 ***** 入 学 批 次 1*** 专 业 建筑工程技术 指导 教师 **** 学 习 中 心 ***** 实习时间 *****

重温红色记忆，栉风沐雨，砥砺前行 ——井冈山专题培训心得体会 2017 年 x 月 x 日至 x 月 x 日，我有幸参加了县委组织的“坚 定理想信念，强化党性修养”第二期专题培训班，前往革命圣地 井冈山进行了为

2005-2020 年国家财政性教育投入 占GDP比例的研究 教育经费投入问题是未来 15 年我国教育事业发展的最基本保 障条件之一。从某种意义上说，教育投入的充足与否，将直接制 约我国教育事业发展目标的实现。为此，本专题报告将从国际视

1 河南省高校教师资格证复习资料——教育心理学 第一章 心理学概述 第一节 人类心理现象 1. 心理学是研究人的心里活动及其规律的科学。心理活动又称心理现象，简称心理。 一、个体心理系统 2. 个体心

102 期 期 对生命教育的一点反思 ———学校德育中情景体验模式的建构 赵国栋 1，郑惠杰 2 （西南大学教育学院，重庆 400715） ［摘要］文章针对传统教育中“非生命化”教育进行深入反思，通过对学校德育本真的探讨以及师生

专题十五 坐标系与参数方程 第四十一讲 坐标系与参数方程 2019 年 1..（2019 全国 I 理 22）[选修 4—4：坐标系与参数方程] 在直角坐标系 xOy 中，曲线 C 的参数方程为 2 2

专题七 不等式 第二十一讲 不等式的综合应用 2019 年 1.（ 2019 天津理 13 ）设 0, 0, 2 5x y x y    ，则 ( 1)(2 1)xy xy 的最小值 为