高一下学期开学考数学试题2含答案.docx

1、高一下学期开学考数学试题2含答案2019-2020年高一下学期2月开学考数学试题2含答案一、填空题（每题6分，共36分） 克糖水中有克糖（），若在糖水中再放上克糖，则糖水变得更甜了。根据这一事实可提炼出的不等式是 2.设函数上有定义，下列函数：； 中偶函数的有 （写出所有正确的序号）3.设函数，且，则此函数的单调递减区间为 4.已知函数 ，若 有6个不同的零点，则a的取值范围是 . 5.已知函数=的最大值不大于，又当时，恒成立，则实数的值为 6. 某地街道呈现东西、南北向的网络状，相邻街距都为1，两街道相交的点称为格点。若以相互垂直的两条街道为轴建立直角坐标系，现有下述格点（-2，2），（3，

2、1），（3，4），（-2，3），（4，5）为报刊零售店，请确定一个格点 为发行站，使5个零售点沿街道到发行站之间路程的和最短。二、解答题（7+7=14）7.对于任意的正实数，已知关于的方程的解存在。（1）证明：该方程的解唯一；（2）若将该方程的解记为，则我们可以用符号“”来表示一些方程的解，例如方程的解为。试解方程。高 一 数 学(第2卷) 黄继红 孙金明一、填空题（每题6分，共36分） 克糖水中有克糖（），若在糖水中再放上克糖，则糖水变得更甜了。根据这一事实可提炼出的不等式是 2.设函数上有定义，下列函数：； 中偶函数的有 写出所有正确的序号3.设函数，且，则此函数的单调递减区间为4.已知函

3、数 ，若 有6个不同的零点，则a的取值范围是 . 5.已知函数=在上的最大值不大于，又当时，恒成立，则实数的值为 6. 某地街道呈现东西、南北向的网络状，相邻街距都为1，两街道相交的点称为格点。若以相互垂直的两条街道为轴建立直角坐标系，现有下述格点（-2，2），（3，1），（3，4），（-2，3），（4，5）为报刊零售店，请确定一个格点 为发行站，使5个零售点沿街道到发行站之间路程的和最短。（3，3）二、解答题（7+7=14）7.对于任意的正实数，已知关于的方程的解存在。（1）证明：该方程的解唯一；（2）若将该方程的解记为，则我们可以用符号“”来表示一些方程的解，例如方程的解为。试解方程。解：

4、（1）略（2）2019-2020年高一下学期2月开学考英语试题1无答案 肖洁辉 葛韵华. Listening prehension (20%)Section A Short conversationsDirections: In Section A, you will hear ten short conversations between two speakers. At the end of each conversation, a question will be asked about what was said. The conversations and the questions

5、 will be spoken only once. After you hear a conversation and question about it, read the four possible answers on your paper, and decide which one is the best answer to the question you have heard.1. A. 5:00 B. 5:15 C. 5:30 D. 5:452. A. Look for a more expensive hotel. B. Go to another hotel by bus.

6、 C. Try to find a quiet place. D. Take a walk around the city.3. A. She lost her way. B. She lost her keys. C. She lost her car. D. She lost her handbag.4. A. The woman would understand if she did Marys job. B. The woman should do the typing for Mary. C. The woman should work as hard as Mary. D. The

7、 woman isnt a skillful typist.5. A. He gets nervous very easily. B. He hasnt prepared his speech well. C. He is an awful speaker. D. He is an inexperienced speaker.6. A. This apple pie tastes very nice. B. His mother likes the apple pie very much. C. The apple pie cant match his mothers. D. His moth

8、er cant make apple pies.7. A. She is not interested in the article. B. She has given the man much trouble. C. She would like to have a copy of the article. D. She doesnt want to take the trouble to read the article.8. A. A movie. B. A lecture. C. A play. D. A speech.9. A. He is not very enthusiastic

9、 about his English lessons. B. He has made great progress in his English. C. He is a student of the music department. D. He is not very interested in English songs.10. A. The man went to a wrong check-in counter. B. The man has just missed the flight. C. The plane will leave at 9:14. D. The planes d

10、eparture time remains unknown.Section B PassagesDirections: In Section B, you will hear two short passages, and you will be asked three questions on each of the passages. The passages will be read twice, the questions will be spoken only once. When you hear a question, read the four possible answers

11、 on your paper and decide which one would be the best answer to the question you have heard.Questions 11 through 13 are based on the following passage.11.A. Two drivers happened to crash into each other in a parking space.B. An argument over a parking space led to two cars crashing into each other.C

12、. Two drivers tried to park their cars in one small parking space.D. The parking space was too small to hold two cars at the same time.12. A. The younger driver was quicker than the older driver. B. Each of them had a very expensive car. C. They didnt see each other while parking in the same place.

13、D. Both of them were quite good at driving.13. A. You are not rich enough to buy a new car like mine. B. You are too poor to pete with me for the parking space. C. you will never be rich enough to park your car here. D. Only rich people can have the daring to do that.Questions 14 through 16 are base

14、d on the following passage.14.A. The teenagers strange behavior.B. The teenagers criticism of their parents.C. The dominance of the parents over their children.D. Misunderstanding between teenagers and their parents.15. A. Because they want to make their parents angry. B. Because they have no other

15、way to enjoy themselves. C. Because they have a strong desire to be leaders in style and taste. D. Because they want to show their existence by creating a culture of their own.16. A. they should be obedient. B. They should be responsible. C. they should be co-operative. D. They should be independent.Section C Longer conversationDirections: In Section C, you will hear one longer conversation. The conversation will be read twice. After you hear the conversation, you are required to fill in the numbered blanks with the information you have hea