福建省厦门市湖滨中学2018届高三下学期高考适应性考试英语试卷
厦门市湖滨中学2018届高三年适应性考试
英语试题
满分150分考试时间120分钟
第一部分听力理解（共两节，满分30分）
第一节（共5小题；每小题 1.5分，满分7.5分）
听下面5段对话。每段对话后有一个小题, 从题中所给的A、B、C三个选项中选出最佳选项, 并标在试卷的相应位置。听完每段对话后, 你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。
1. What does Jack like doing most on Sunday?
A. Staying at home.
B. Walking in the forest.
C. Visiting his friends.
2. Where does the conversation take place?
A. In a hotel.
B. In a school.
C. In a restaurant.
3. Why does Emma come here?
A. To visit this college.
B. To meet her friend.
C. To ask for help.
4. How many years is the woman’s mother older than Aunt Mary?
A. 4.
B. 3.
C. 2.
5. What does the woman expect to have?
A. New furniture.
B. Overtime pay.
C. Short working hours. 第二节（共15小题；每小题 1.5分，满分22.5分）
听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。
听第6段材料，回答第6、7题。
6. What did the woman do last night?
A. She attended a party.
B. She went to see a doctor.
C. She looked after her mother.
7. When did the man leave the hospital?
A. At 5:00 p.m.
B. At 7:00 p.m.
C. At 10:00 p.m.
听第7段材料，回答第8至10题。
8. When did the woman get to London?
A. A few hours ago.
B. This August.
C. Last spring.
9. Why does the woman come to London?
A. To get a job.
B. To attend a program.
C. To take a holiday.
？
10. What is the meaning of “moonlighting”
A. A kind of joke.
B. A second job.
C. A cheap hotel.
听第8段材料，回答第11至13题。
11. What was the boy’s mother doing when he fell?
A. Putting away his toys.
B. Looking after his sister.
C. Sitting in the living room.
12. Why did the boy fall out of the window?
A. He tried to catch something.
B. He fell out of the broken chair.
C. He pushed hard to open the window.
13. What part of the boy’s body got hurt?
A. His head.
B. His arm.
C. His leg.
听第9段材料，回答第14至16题。
14. How often does the group meet?
A. Once a week.
B. Once a month.
C. Twice a month.
15. What can we learn about The Kite Runner?
A. It was set in Afghanistan.
B. It was written in the 1970s.
C. It was mainly about making kites.
16. Why does the woman talk with the man?
A. To invite him to the club.
B. To borrow a book from him.
C. To ask his opinion about a book.
2018-2019学年上海中学高三上英语期中英语试卷
II.Grammar and Vocabulary Section B Recently,I flew to Las Vegas to attend a meeting.As we were about to arrive,the pilot announced with apology that there would be a slight delay before setting down.High desert winds had forced the airport to close all but one runway.He said that we would be circling the city for a few minutes waiting to land.We were also told to remain in our seats meanwhile with our seat belts(21)________(fasten) because there might be a few bumps.Well,that few minutes turned into about forty-five minutes, including a ride that would make a roller coaster(22)________(pale)by comparison. The movement was so sudden(23)________several passengers felt sick and had to use airsickness bags.(24)________you might guess,that’s not good thing to happen in a narrow space because it only serves to increase the discomfort of the situation. About twenty minutes into the adventure,the entire airplane became very quiet.There was now a sense of anxiety and fear that could be distinctly noticed.Every passenger simply held on for dear life… (25)________one.A baby was having a good time!With each bump of the aircraft,he(26)________let out a giggle of happiness.As I observed this,I realized that he didn’t know he was supposed to be afraid and worried about his safety.He(27)________thought about the past nor about the future.Those are (28)________we grown-ups have learned from experience.He was enjoying the ride because he (29)________(not teach)to fear it.(30)________(understand)this,I took a deep breath and sat back into my seat,pretending I was really on a roller coaster.I smiled for the rest of the flight.I even managed to giggle once or twice,which is much to the chagrin of the man sitting next to me holding the airsickness bag. C Section People become quite illogical when they try to decide what can be eaten and what cannot be eaten.If you lived in the Mediterranean,for instance,you would consider octopus a great__31__.You would not be able to understand why some people find it repulsive.On the other hand,your stomach would__32__ at the idea of frying potatoes in animal fat---the__33__accepted practice in many northern countries.The sad truth is that most of us have been brought up to eat certain foods and we__34__to them all our lives. No creature has received more praise and abuse than the common garden snail.Cooked in wine, snails are a great luxury in various parts of the world.There are countless people who,ever since their early years,have learned to__35__snails with food.My friend,Robert,lives in a country where snails are despised.As his flat is in a large town,he has no garden of his own.For years he has been asking me to collect snails from my garden and take them to him.The idea never appealed to me very much,but one day,after a heavy__36__,I happened to be walking in my garden when I noticed a huge number of snails taking a stroll on some of my__37__plants.Acting on a sudden impulse,I collected several dozen,put them in a paper bag,and took them to Robert.Robert was delighted to see me and__38__pleased with my little gift.I left the bag in the hall and Robert and I went into the living room where we talked for a couple of hours.I had forgotten all about the snails when Robert suddenly said that I must stay to dinner. 第1页/共8页
福建省厦门市湖滨中学2017-2018学年高二(理)下学期第二次月考物理试题
福建省厦门市湖滨中学2017-2018学年高二（理） 下学期第二次月考物理试题 学校_________ 班级__________ 姓名__________ 学号__________ 一、单选题 1. 关于半衰期，以下说法正确的是（） A．同种放射性元素在化合物中的半衰期比单质中长． B．升高温度可以使半衰期缩短 C．氡的半衰期为3.8天，若有四个氡原子核，经过7.6天就只剩下一个 D．氡的半衰期为3.8天，4克氡原子核，经过7.6天就只剩下1克 2. 一个静止在磁场中的放射性同位素原子核，放出一个正电子后变成原子核，在图中近似反映正电子和Si核轨迹的图是（） A． B． C． D．
3. (钍)经过一系列和衰变，成为（铅），则（） ①铅核比钍核少了8个质子 ②铅核比钍核少了16个中子 ③共经过4次衰变和6次衰变 ④共经过6次衰变和4次衰变 A．①②③B．③④①C．④②③D．①②④ 4. 小明在平静的湖水中泛舟时不小心把浆弄丢了，因有急事，他决定将船中的一块5kg的石头扔入湖中使自己能在1分钟内到达离船20米的对岸，假设扔前船是静止的，船的质量120kg，小明质量60kg，不计湖水的阻力，则小明扔出石头的速度大小与方向应为（） A．以大小12m/s；正对对岸方向水平扔出 B．以大小12m/s；背对对岸方向水平扔出 C．以大小4m/s；正对对岸方向水平扔出 D．以大小4m/s；背对对岸方向水平扔出 5. 分别用波长为λ和的单色光照射同一金属板，发出的光电子的最大初动能之比为1:2，以h表示普朗克常量，c表示真空中的光速，则此金属板的逸出功为（） A．B．C．D． 6. 一个质子和一个中子聚变结合成一个氘核，同时辐射一个光子．已知质子、中子、氘核的质量分别为m1、m2、m3，普朗克常量为h，真空中的光速为c．下列说法正确的是 A．核反应方程是 B．聚变反应中的质量亏损 m1+m2-m3 C．辐射出的γ光子的能量E=(m3-m1-m2)c D．γ光子的波长 7. 对于一匀变速直线运动的物体，设全程的平均速度为v1，运动中间时刻的速度为v2，经过全程位移中点的速度为v3，则下列关系正确的是（）A．B．C．D． 8. 汽车以大小为20m/s的速度做匀速直线运动,刹车后的加速的大小为5m/s2,那么刹车后2s内与刹车后6s内汽车通过的位移大小之比为( )
福建省厦门市湖滨中学2018-2019学年高一下学期期中考试地理试题(含答案)
厦门湖滨中学2018～2019学年 第二学期期中考高一地理 完卷时间：90分钟 满分：100分 一．选择题（共32题，1-26每题2分，27-32每题3分共70分） 右图为我国1960--2045年每五年劳动人口增长变化图（未考虑全面二孩政策的预测数据）。目前我国规定男子16--60周岁、女子16--55周岁为劳动年龄人口。读图，完成第1-2题。 1．仅从人口增长变化考虑，我国就业压力最大的年份是 A ． 1975年 B ． 1980年 C ． 2015年 D ． 2025年 2．全面二孩政策（2016年）实施二十多年后，可能带来的影响是 A ． 老龄人口数量减少 B ． 劳动力数量较为充足 C ． 人口增长模式转变 D ． 人口性别比明显变化 读甲、乙、丙、丁四地的人口统计图，完成第3-4题。 3．人口自然增长率从低到高排列正确的是 每 五年劳动人口增长率（%） 自然增长率（‰） 人口死亡率（‰） 人口出生率（‰）
A．甲、乙、丙、丁 B．丁、丙、乙、甲 C．甲、丙、乙、丁 D．丁、乙、丙、甲 4．甲地可能存在的主要人口问题是 A．教育压力大 B．人口老龄化 C．就业困难 D．死亡率高 某互联网公司的大数据显示，今年春节期间，大量人员返乡使很多城市进入了“空城模式”，部分城市甚至“空城率”超过50%。据此，完成第5-6题。 5．春节期间，最易进入“空城模式”的地区是 A．东部地区 B．中部地区 C．西部地区D．东北地区 6．上述材料中，大量人员返乡的主要因素是 A．经济 B．自然 C．政治D．社会文化 人口压力指数分为人口经济压力指数和人口资源压力指数。一个地区的人口经济或人口资源压力指数是全国人均经济或资源指标除以该地区相应人均指标后所得的比值。读我国东部、中部和西部地区的人口经济压力指数和人口资源压力指数统计表，完成第7-8题。 东部中部西部全国 0.70 1.31 1.58 1.00 人口经济压力指 数 人口资源压力指 1.30 0.93 1.01 1.00 数 7．关于该地人口压力指数和环境承载力关系的叙述，正确的是 ①人口压力指数大于1，说明环境承载力相对富裕②人口压力指数小于1，说明环境承载力相对超载③人口压力指数大于1，说明环境承载力相对超载④人口压力指数小于1，说明环境承载力相对富裕 A．①② B．①③ C．②④ D．③④ 8．针对我国东、中、西部人口压力的差异，应采取的措施是 A．中、西部地区控制对东部地区的资源输出 B．东部地区加大对中、西部地区技术和资金的输出 C．采取有效措施限制东部地区经济快速发展 D．促进中、西部地区服务业的快速发展 为缓解停车难问题，北京市朝阳区采取“错峰停车”措施，鼓励各社会单位将停车位夜间或双休日向周边社区市民开放。下图为“朝阳区某功能区不同时段人口流动状况示意图”。据此，完成
2018届上海市各高中学校高三英语试题分类汇编--阅读理解B篇(带答案精确校对)
Section B Directions：Read the following three passages. Each passage is followed by several questions or unfinished statements. For each of them there are four choices marked A, B, C and D. Choose the one that fits best according to the information given in the passage you have just read. (B) With the coming of big data age, data science is supposed to be starved for, of which the adaption can point a profound change in corporate competitiveness. Companies, both born-in the digital era and traditional world are showing off their skills in data science. Therefore, it seems to have been creating a great demand for the experts of this type. Mr Carlos Guestrin, machine learning professor from University of Washington argues that all software applications will need inbuilt intelligence within five years, making data scientists—people trained to analyze large bodies of information — key workers in this emerging “cognitive” technology economy. There are already critical applicat ions that depend on machine learning, a subfield of data science, led by recommendation programs, fraud detection system, forecasting tools and applications for predicting customer behavior. Many companies that are born digital—particularly internet companies that have a great number of real-time customer interactions to handle—are all-in when it comes to data science. Pinterest, for instance, maintains more than 100 machine learning models that could be applied to different classes of problems, and it constantly fields request from managers eager to use this resource to deal with their business problem. The most important factor weighing on many traditional companies will be the high cost of launching a serious machine-learning operation. Netflix is estimated to spend ＄150m a year on a single application and the total bills is probably four times that once all its uses of the technology are taken into account. Another problem for many non-technology companies is talent.Of the computer science experts who use Kaggle, only about 1000 have deep learning skills, compared to 100,000 who can apply other machine learning techniques, says Mr Goldbloom. He adds that even some big companies of this type are often reluctant to expend their pay scales to hire the top talent in this field. A third barrier to adapting to the coming era of “smart” applications, however, is likely to be
厦门市湖滨中学
厦门市湖滨中学 2015-2016学年第一学期教务处工作总结本学期，教务处全体工作人员在学校的领导下，坚持以教学工作为中心，以全面提高教育教学质量和办学效益为主线，以重实际、抓实事、求实效为教学工作的基本原则，以建设高素质师资队伍为根本，以加强内部管理、提高工作效率为重点，以“服务教学、服务师生”为宗旨，以“内强素质、外树形象、服务一流、以人为本”为工作目标，认真落实学校计划，积极推进素质教学，加强教学常规管理，充分发挥教务处指导监督、整合推进的功能，进一步增强了服务意识，圆满地完成了学期初制定的各项工作计划。学期结束，为了能够使今后的工作在质量上、效率上再上一个台阶，现将本学期具体工作情况做如下总结： 1.开展湖滨中学第十九届教育教学科研观摩研讨会。 主题为：把课堂还给学生，让课堂焕发生命活力！把创造带给教师，让教育充满智慧挑战！ 会议特邀上海市静安区教师进修学院王俊山主任开设专题讲座。思明区进修学校朱丹红副主任出席了会议。厦门市兄弟校教师代表和湖滨中学全体老师近350人参加了会议。 活动议程共五项：一是连福志老师的研讨课堂现场展示；二是现场说课与上海市静安区教师进修学院王俊山主任点评；三是上海市静安区教师进修学院王俊山主任《教师教育教学走向个性化》的专题讲座；四是本校教师论文交流、DST 展示、颁奖、科研总结。 2.组织教师积极参加教育教学竞赛获得好成绩。 2015年度厦门市第三届优质基础教育，数字资源（微课资源）征集评选活动获奖名单热烈祝贺以下老师获奖： 一等奖：陈力白源法 二等奖：陈静何琳叶雯雯 三等奖：邱文平黄新惠陈惠云马中明童家黔吴美琴 陈鹏罗睿林月丽 学科育人，核心价值观进课堂落到实处。各科老师充分挖掘学科教材中蕴含的社会主义核心价值观教育价值。
上海市进才中学2020届高三下学期3月月考英语试题 含解析
上海市进才中学2020届高三下学期3月月考 英语试题 II. Grammar and Vocabulary Section A Grammar and Vocabulary Universities Show “ Red Card” to English Majors An increasing number of Chinese universities are showing English the “red card” and sending it off the academic playing field. Just last month, five more universities announced that they would no longer offer English as a major, _____1_____ CET-4 (大学英语四级考试) will still be required for graduation. At first sight, it may appear that these universities are downgrading the importance of learning English. In actual fact, they are responding to the economic reality _____2_____English majors do not have good job prospects after graduation. And the same holds true for graduates in other Arts majors. According to MyCOS, the Beijing-based education research group, English graduates, along with those in history, literature and law, have _____3_____(low) starting salaries and lowest employment rate. Engineering, economics and science graduates have better job prospects and make twice as much money, with IT graduates ____4____ (make) the most. In _____5_____ 1980s, the Chinese government made the study of English a priority as part of its reform and opening-up policy. English majors were in high demand in business and in government because people with good English-language skills were so rare. Today, about 350 million Chinese have studied, or are studying, English. Ten million of them _____6_____ (consider) functionally bilingual. So, when an employer looks at a graduate’s résumé , it is assumed that he or she has good English skills. However, for those of you who truly love English, you should not be discouraged. The demand for English teachers is still high at all levels of education, _____7_____in public schools and in private institutions. Zhang Lu is probably familiar to most of you as the elegant young woman _____8_____ (see) standing or sitting slightly behind top government officials when they meet leaders from
2019年上海南模中学高三三模(2019.05)
南模中学高三三模数学试卷 2019.05 一. 填空题 1. 若集合{|310}A x x =+>，{||1|2}B x x =-<，则A B =I 2. 若复数z 满足 1i i z -=-，其中i 为虚数单位，则z = 3. 若函数1 ()1f x x =+（0x >）的反函数为1()f x -，则不等式1()2f x ->的解集为 4. 试写出71 ()x x -展开式中系数最大的项 5. 若函数4y =a ，最大值为b ，则2lim 34n n n n n a b a b →∞-=- 6. 已知平面上三点A 、B 、C 满足||AB =u u u r ，||BC =u u u r ||CA =u u u r ，则 AB BC BC CA CA AB ?+?+?u u u r u u u r u u u r u u u r u u u r u u u r 的值等于 7. 设P 是曲线tan x y θθ?= ???=? （θ为参数）上的一动点，O 为坐标原点，M 为线段OP 的中 点，则点M 的轨迹的普通方程为 8. 在等差数列{}n a 中，首项13a =，公差2d =，若某学生对其中连续10项进行求和，在 遗漏掉一项的情况下，求得余下9项的和为185，则此连续10项的和为 9. 从集合{1,2,3,4,5,6,7,8,9,10}A =中任取两个数，欲使取到的一个数大k 于，另一个数小 于k （k A ∈）的概率为 2 5 ，则k = 10. 已知数列{}n a 的通项公式为(1)2n n n a n =-?+（*n ∈N ），则这个数列的前n 项和为 n S = 11. 已知函数1 ()f x x x =- ，数列{}n a 是公比大于0的等比数列，且61a =， 1239101()()()()()f a f a f a f a f a a +++???++=-，则1a = 12. 定义在R 上的奇函数()f x ，当0x ≥时，1 2log (1)[0,1)()1|3|[1,) x x f x x x +∈??=??--∈+∞?，则关于x 的 函数()()F x f x a =-（01a <<）的所有零点之和为 （结果用a 表示） 二. 选择题 13. 已知非零向量a r 、b r ，“函数2 ()()f x ax b =+r r 为偶函数”是“a b ⊥r r ”的（ ）条件 A. 充分非必要 B. 必要非充分 C. 充要 D. 既不充分也不必要
福建省厦门市湖滨中学2020~2021学年七年级下学期期中考试语文试题
福建省厦门市湖滨中学2017-2018学年七年级下学期期中考 试语文试题 学校:___________姓名：___________班级：___________考号：___________ 一、情景默写 1．诗文默写 ⑴_______________，弹琴复长啸。 ⑵故园东望路漫漫，_______________。 ⑶此夜曲中闻折柳，_____________。 ⑷________________，一山放出一山拦。 ⑸念天地之悠悠，________________。 ⑹_________________，一览众山小。 ⑺不畏浮云遮望眼，______________。 ⑻当窗理云鬓，______________。 ⑼______________，化作春泥更护花。 ⑽烟笼寒水月笼沙，___________________。 ⑾ 可怜夜半虚前席，__________________。 ⑿杨花榆荚无才思，___________________。 ⒀《木兰诗》中体现木兰战功显著的句子是：_________________，_________________。 二、字词书写 2．字音字形：给加点的字注音或根据拼音写出正确的汉字 ①选聘．（________）②鞠躬尽cuì（______）③气冲斗．牛（______）④烦zào （________） ⑤震悚．（______）⑥lì尽心血（________）⑦污秽．（_______）⑧ 祈dǎo （________） 三、选择题 3．下列各句中标点符号使用全都正确 ．．的一项是（） A．“学习就怕‘认真’二字。”张老师说：“‘态度决定一切’，确实很有道理。” B．网络技术对艺术传统的冲击不容忽视，对新艺术形式的催生已初露端倪。人们不得不思考，高科技的发展将导致艺术的沉沦？还是会迎来新时代的文艺复兴？
上海市上海中学2019届高三上学期摸底考试英语试题 Word版含答案
2018-2019学年上海中学高三第一学期摸底考试 II.Grammar and Vocabulary 温馨提示：多少汗水曾洒下，多少期待曾播种，终是在高考交卷的一刹尘埃落地，多少记忆梦中惦记，多少青春付与流水，人生，总有一次这样的成败，才算长大。高考保持心平气和，不要紧张，像对待平时考试一样去做题，做完检查一下题目，不要直接交卷，检查下有没有错的地方，然后耐心等待考试结束。 Section A Direction: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the other answer that best completes the sentence. 25.While I was waiting to enter ________ university, I saw advertised in a local newspaper a teaching post at a school in ________ suburb of London. A. /, a B. an, a C. a, the D. the ,the 26.In most cases, ________ a passenger has his ticket and managers to catch his train, he can reach his destination more comfortably than ________ he had to drive himself. A. once, if B. that ,if C. when, while D. where, when 27.The invention of the modern computer is one of the great contributions ________ to man’s efficiency. A. having ever been made B. ever been made C. ever made D. having ever made 28.I was not able to work out the problem ________ my teacher explained it. A. as B. unless C. until D. when 29.For him to be re-elected, what is essential is not that his policy works, but ________ the public believe that it does. A. / B. whether C. that D. if
上海市上海中学2019-2020学年高三第一学期数学期中考试卷(简答)
上海中学高三期中数学卷 2019.11 一. 填空题 1. 已知集合，，则 {|42}M x x =-<<2{|60}N x x x =--
2020届上海市复兴中学高三下学期三月月考英语试题(解析版)
2020届上海市复兴中学高三下学期三月月考 英语试题 四、词汇（10%） It is getting hard to go anywhere without stepping on a piece of Lego-related hype (大肆宣传). “The Lego Movie” is number two at the American box office, after three weeks at number one. Model kits ___1___ to the film are piled high in the shops. They will add to the already gigantea of Lego bits: 86 for every person on the planet. The toymaker has enjoyed ten years of spectacular growth, almost quadrupling (四倍) its ___2___. This is remarkable for many reasons. Lego’s ho me town, Billund in rural Denmark, is so small that the company had to provide it with a hotel-an elegant one, unsurprisingly. The toy business is one of the world’s trickiest: perennially faddish (反复出现地一时流行的事物) (remember Beanie Babies?) and, at the moment, energized by technological innovation. Children are growing up ever faster, and abandoning the ___3___ world for the virtual. To cap it all, the company almost collapsed in 2003-04, having drifted for years, ___4___ into too many areas, producing too many products. Lego’s decade of success began when it appointed Jorgen Vig Knudstorp as chief executive. This was a risky move: Mr. Knudstorp was a mere 35 years old and had cut his teeth as a management consultant with McKinsey rather than running a business. But it proved to be inspired. Mr. Knudstorp decided that the company must go “back to the ___5___”: focusing on its core products, forgetting about brand-stretching, and even selling its theme parks. He also brought in stricter management controls, for example reducing the number of different pieces that the company produced from 12,900 to 7,000. Under Mr. Knudstorp Lego has struck a successful balance between ___6___ and tradition. The company has to ___7___ new ideas to keep its sales growing: customers need a reason to expand their stock of bricks, and to buy them from Lego rather than cheaper rivals. But at the same time, it must resist the sort of undisciplined innovation that almost ruined it. Lego produces a stream of kits with ___8___ designs, such as forts and spaceships, to provide children with templates (模板). But it also insists that the pieces can be added to the child’s collection of bricks, and reused to make all sorts of other things. Lego has got better at managing its relationships. “The Lego Movie” demonstrates how it can focus on the brick while ___9___ into the virtual world: Warner Bros. made the film while Lego provided the models. During its years
2020届上海市上海中学高三下学期数学综合练习卷
上海中学高三综合数学试卷06 2020.04 一.填空题 1.不等式13x x +<的解为____ 2.函数2()(2f x x x =<-)的反函数是____ 3.已知b+i ?2-ai(a,b ∈R )是实系数一元二次方程20x px q ++=的两根,则q=____ 4.将一个底面半径为4,高为2的圆锥锻造成一个球体,则此球体的表面积为____ 5.以3122012-?? ??? 为增广“矩阵的二元一次方程组的解为x ?y,则x ?y 这两个数的等比中项为____ 6.3名男生?3名女生和2位老师站成一排拍合照,要求2位老师必须站在正中间,队伍左右两端不能同时是一男生和一女生,则总共有____种排法. 7.已知函数f(2(),(),x x g x ax x ==-其中a>0,若对任意m ∈[1,2]都存在n ∈[1,2]使得f(m)f(n)=g(m)g(n)成立,则实数a 的取值集合为___. 8.在平面直角坐标系xOy 中,已知圆22:()(3)4,M x a y a -++-=过原点的动直线l 与圆M 交于A ?B 两点,若以线段AB 为直径的圆,与以M 为圆心?MO 为半径的圆始终无公共点,则实数a 的取值范围是____. 9.已知正数x ?y ?z 满足222 1,x y z ++=则1z xyz +的最小值为__. 10.已知向量a b r r 、满足:|2||3|2,a b a b -=+=r r r r 则a b ?r r 的取值范围是___. 11.已知△ABC 的面积为1,若BC=1,则当这个三角形的三条高的乘积取最大值时,sinA=___. 12.如图,已知正四面体ABCD 的棱长为2,棱AD 与平面α所成角[ ,],32 ππθ∈且顶点A 在平面α内,点B ?C ?D 均在平面α外,则棱BC 的中点E 到平面α的距离的取值范围是___. 二.选择题 13.已知集合,2 {|20}A x x x =∈-++≥N ,则满足条件A ∪B=A 的集合B 的个数为() A.4 B.7 C.8 D.16 14.已知函数()2sin()(4 f x x πω=+ω>0)的图像在区间(0,1]上恰好有三个最高点,则ω的取值范围是() 1927.[,)44 A ππ 913.[,)22 B ππ 1725.[,)44 C ππ D.[4π,6π) 15.已知a ?b 为实数,则“不等式|ax+b|≤1对所有满足|x|≤1都成立”是“|a|≤1且|b|≤1”的()