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8854.1－2001 GCLD 型鼓形齿式联轴器 Curved tooth coupling GCLD 2001-09-03 发布 2001-12-01 实施 中国机械工业联合会 发 布 《JB／T 8854

专题三 导数及其应用 第八讲 导数的综合应用 2019 年 1（2019 天津理 8）已知 aR，设函数 2 2 2 , 1,() ln , 1, x ax a xfx x a x x   

经济学人智库报告 中国的供给侧改革──进程与展望 www.eiu.comThe Economist Intelligence Unit（EIU，经济学人智库）是作为the Economist newspaper姊妹公司

中国梦与大学生的时代责任 梅 萍 罗 佳 （华中师范大学 马克思主义学院， 湖北 武汉 430079） [摘 要]中国梦为大学生的成长、成才、幸福生活赋予了新的意义，大学生也因其自身的特 殊角色必须应

１　　　页（共２页）】 注意事项： １．本试卷分选择题和非选择题两部分，共１５０分，考试时间１２０分钟。 ２．答卷前，考生务必将自己的班级、姓名、准考证号、座号用０．５ｍｍ黑色签字笔和２Ｂ铅笔分别涂写 在答题卡上。 ３

三⾓函数整理 樱⼩⽂ June 28, 2015 Contents 1 基础 2 2 和差公式 2 3 ⼆倍⾓公式 3 4 平⽅和公式 3 5 半⾓公式 4 6 积化和差 4 7 和差化积 5 8 万能公式

1 2 019-2020学年12月份月考试题 数学（理科） 考生注意： 1.答题前，考生务必将自己的姓名、考生号填写在试卷和答题卡上，并将考生号条形码粘贴在答题卡上的 指定位置. 2.回答选择题时，选

１　　　页（共２页）】 注意事项： １．本试卷分选择题和非选择题两部分，共１５０分，考试时间１２０分钟。 ２．答卷前，考生务必将自己的班级、姓名、准考证号、座号用０．５ｍｍ黑色签字笔和２Ｂ铅笔分别涂写 在答题卡上。 ３

P66 中 华 人 民 共 和 国 国 家 标 准 GB/T31439.1—2015 波形梁钢护栏 第1部分:两波形梁钢护栏 Corrugatedsheetsteelbeamsforroadguardrail

23 个典型的数列专题 第 1 页 23 个典型的数列专题解答 1、等差数列  na 中，前三项依次为 xxx 1,6 5,1 1  ，求： 105 ?a  解：由等差数列中项公式得： 5 1

【解析】are。考查倒装结构。这是一个 there be 句型。句意: 有 些地方几乎没有或不发生地震。主语是 some places, 故谓语动词应 用 are。 2. 【解析】however。考查副词。很显然

Ⅰ. 用适当的关系词填空1. The Second World War __________ millions of people were killedended in 1945.2. He was born in the year __________ the Anti-Japanese War brokeout.3. He was the man by __________ Master of Game was translated.4. Is that the reason __________ you are in favor of the proposal?5. The magazine for __________ Betty paid one dollar was very good.6. Here is so heavy a box __________ can be lifted by nobody.7. Is this the shop __________ sells children’s clothing?

English. 1. 【解析】widely。考查副词。修饰动词 spoken and used 应用副词, widely 广泛地。 2. 【解析】organizations。考查名词。organize 是动词,

A。逻辑推理题。雷鸣跟在电闪之后用 follow。cause“导 致”; make“形成”; bring“带来”, 这三个动词都含有人为意味。 5. A. rain　 B. thunder　 C. wind　 D. storm

【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

18. 1 percent of the country’s total. 【语篇概述】本文主要讲了中国遭受沙尘暴侵袭, 通过治理在控制 沙漠化方面取得了一定成效。 1. Where do most of

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. 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.

English. 1. 【解析】widely。考查副词。修饰动词 spoken and used 应用副词, widely 广泛地。 2. 【解析】organizations。考查名词。organize 是动词,

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.