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理科数学试卷，第 1 页，共 4 页 2019-2020 学年度上期高中调研考试高三理数试题 注意事项： 1、本试卷分选择题和非选择题两部分，满分 150 分，考试时间 120 分钟。 2、答题前，先

分别为 ()fx图像在 y 轴右侧的第一个最高点和第 一个最低点，O 为坐标原点，若 OAB 为锐角三角形，则 的取值范围为（ ） A． 30, 2   B． 3,22  

regard themselves socially different 【解析】选 D。细节理解题。根据第三段的内容可知, 一项最新的民 意调查发现 90%的人们仍然把自己放在一定的等级中。故选 D。 2. The

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.

高三文科数学 第 1 页 共 5 页 文科数学 本试卷共 22 小题，共 150 分，共 4 页，考试时间 120 分钟。 注意事项： 1．答题前，考生务必先将自己的姓名、准考证号填写在答题卡上，认真核对条

，椭圆的离心率为 e,①当 =45°时，e= ;②e 与 的关系为 .(本题 第一空 2 分，第二空 3 分） 三、解答题:本题共 6 小题，共 70 分.解答应写出文字说明、证明过程或演算步骤.本题包 括 必考题和选考题两部分

O,+oo）上有零点， 则实数 a 的取值范围是 . A. a S O B. a S 1 c: a 三0 D. a 2: 1 5 、 设等差数列｛ an ｝的前 n 项和为 Sn ，己知吗＋ a6 = 0

分，共 20 分） [ 13. 8 3  14. 1 2 15. 1 2 1n  16. 4 三、解答题（本大题共 6 小题，共 70 分） 17.解析：（1）设公差为d，则 1 1 1 4 19

第二行：____________________ 第三行□的个数是第一行的 3 倍。 第三行：____________________ 第二行□的个数是第四行的 2 倍。 2020年小学三年级数学上册第五单元提高检测卷

部编版三年级（下）语文期中测试卷（一） 时间：90 分钟 满分：100 分 同学们，经过一个学期的努力，你们一定有很大的收获吧!开动脑筋， 认真答题，相信你们会有出色的表现，赶快行动吧! 一、我会拼，也会写。(8

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. 根据所给的汉语释义或首字母写出单词的正确形式1. Although he is young, he is an __________ (有经验的)architect.2. As a matter of fact, drunken driving is as harmful as __________ (暴力的)crimes to people’s life and safety.3. What __________ (引起)the accident yesterday?4. A sudden storm __________ (发生)when we were having our pleasantvoyage in the Yellow River.5. One million and five hundred thousand people died in natural dbetween 1980 and 2000.

页 1 第 高三期终调研考试卷 数学理科 注意事项及说明：本卷考试时间为 120 分钟，全卷满分 160 分. 一、填空题：本大题共 14 小题，每小题 5 分，共 70 分.不需要写出解答过程，请把答案直接

began its way from Jilin Province 【解析】选 A。细节理解题。根据文章第三段可知, 在秦朝, 长城修 筑历时十年, 开始于公元前 214 年, 完成的时间应该是公元前 204

页 1 第 高三教学质量检测(Ⅰ) 数学试题(文科) 一、选择题：本大题共12小题，每小题5分，共60分.在每小题列出的 四个选项中，选出符合 题目要求的一项. 1.设全集 U=R, 集合 A={x|0

— 高三理科数学(八)第 1 页(共 4 页) — 理科数学(八) 本试卷分必做题和选做题两部分．满分150 分，考试时间120 分钟． 注意事项： 1．客观题每小题选出答案后，用 2B 铅笔把答题卡上对应题目的答案标号涂黑，如需改动，用

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. 阅读理解In most developed countries the government providesfree education for children because it realizes that educatedcitizens are useful to the country in their later life. Mostcountries also have private education. This means that parents can payto send their children to certain schools. People who agree with thissystem say that it gives parents a larger choice of schools. Other peoplethink that private schools give the children who go to them an unfairadvantage over other children.

— 高三文科数学(八)第 1 页(共 4 页) — 高三第二轮复习测试试卷 文科数学(八) 本试卷分必做题和选做题两部分．满分150 分，考试时间120 分钟． 注意事项： 1．客观题每小题选出答案后，用

2019 春季下册部编语文三年级第一单元测试卷 时间：60 分钟 满分：100 分 一、 基础训练营(37 分) 1．每组中有一个注音是错的，请找出来打“×”，并在后面的括号 里改正。(6 分) (1)惠崇．(chóng)