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1、高一数学期中考试测试题(必修一含答案),x与的图象是 5(当0,a,1时，在同一坐标系中，函数yx,logya,高一年级上学期期中考试数学试题 a一、选择题(本大题共12小题，每小题5分，共60分。给出的四个选项中，只有一项是符合题目要求的) 1(设全集U=,1，2，3，4，5,，集合A=,1，2,，B=,2，3,，则A?CUB A( B( C ( D( 45，23，12,2(下列表示错误的是 0,(A) (B),12， , 0.766(令，则三个数a、b、c的大小顺序是 abc,6,0.7,log6210xy，,0.7(,)3,4xy,ABA,(C) (D)若则 35xy,AB,A(b,c,
2、a B(b,a,c C(c,a,b 3(下列四组函数，表示同一函数的是 D(c,b,a 22fxx()ln,7(函数的零点所在的大致区间是 A(f(x)=，g(x)=x xx21,xe,，,A(1，2) B(2，3) C(和(3，4) D( 1,，B(f(x)=x，g(x)= ,ex,xx239，xlog31,8(若，则的值为 C( fxlnxgxx(),()2ln,253x3A(6 B(3 C( fxaagxx()log(),(),D( a2x,112,2,x,fx(),D( 4(设则f ( f (2) )的值为 2log(1),2.xx,23A(0 B(1 C(2 D(3 1,29(若函数
3、y = f(x)的定义域为，则yfx,，(1)的定义域为 ,1 A( B( C( 2,30,1,1,0, 第?卷(非选择题共90分) D( ,3,2,二、填空题(本大题共4小题，每小题4分，共16分。把答案填在答题卡对应题号后的横线上() 10(已知是偶函数，当x,0时，则当x,0时， fx()fxxx()(1),，fx(),x,3恒过定点 。 13(函数ya,，3A( B( C xx(1),xx(1)xx(1)，38a414(计算 6()_,3D( ,，xx(1)125b253,m11(设为偶函数，且在0,，,上是增函数，则、 15(幂函数在x,，,0,时为减函数，则fxxR()(),fx(
4、)f(2),ymmx,(1)，,m 。 、的大小顺序是 f(),f(3)2x,3,316(函数，其中，则该函数的值域yxx,4,A( B( fff()(3)(2),fff()(2)(3),为 。 三、解答题(本大题共6小题，共74分(解答应写出文字说明，证明过程C( D( fff()(2),，,，,fff()(2)(3),或演算步骤() 12 已知函数f(x)的图象是连续不断的，x与f(x)的对应关系见下表，则函数17(本题满分10分) f(x)在区间1,6 2UaaAaCA,，,1,2,23,|2|,2,0已知全集，求a,U上的零点至少有 X 1 2 3 4 5 6 的值. Y 123.56
5、 21.45 -7.82 11.57 -53.76 18(每小题6分，共12分)不用计算器求下列各式的值。 (A) 2 (B) 3 (C) 4 (D) 5 21,13,0232,，(2)(9.6)(3)(1.5)(1); 482 427log27 。 (2)loglg25lg47，33 32x19(本题满分12分)已知函数在上述减函数，(,),yxbxc,，2a,2122(本题满分14分)设是R上的奇函数。 fx(),2x12，3在上述增函数，且两个零点满足，求二次函数(,),，,xx,2xx,1212(1)求实数a的值; 2的解析式。 (2)判定在R上的单调性。 fx()20(本题满分12分
6、)已知。 fxxaa()log(1)(0,1),a (1)求得定义域; fx() (2)求使成立的x的取值范围。 fx()0, 21(本题满分12分) 我国是水资源匮乏的国家为鼓励节约用水，某市打算出台一项水费政策措 施，规定:每一季度每人用水量不超过5吨时，每吨水费收基本价1(3元; 若超过5吨而不超过6吨时，超过部分水费加收200%;若超过6吨而不超 过7吨时，超过部分的水费加收400%，如果某人本季度实际用水量为 吨，应交水费为。 xx(07),fx()高一数学试题参考答案 (1)求f(4)、(f5.5)、(f6.5)的值; 一、CCDCC DBABA AB (2)试求出函数fx()的解
7、析式。 3 4322,4ab25 15(2 16( 二、13(3，4) 14( ,4,213,9(2)原式,，loglg(254)233三、17解 分 0,U由得1224分 4aa，,230？ ,，log3lg10231151,A由得 ,，,22448分 a,21？12分 3b32,aa，,230b,619(解:由已知得:对称轴，所以得3,x,解得422,a,21,分 a,110分 ？2 故 fxxxc()26,， 21, 又，是的两个零点 xxfx()937312,232,，18(1)原式()1()() 4822260xxc，, 所以x，x是方程的两个12 根4分 21,，32333,232
8、,，()1()()3分 ？，,xx3 ，22212c333,22,，xgx,1()() 6分 1222221 所以, 22xxxxxx,，,()4922c,8分 1212126分 4 得xx01,511分 c,12分 2故21(解:(1)521f(4)41.35.2,，,12分 fxxx()26,，2分 10,x20(解:(1)依题意得1分 解得3f(5.5)51.30.53.98.45,，,x,12分 故所求定义域为分 4分 xx,1,5分 f(6.5)51.313.90.56.513.65,，,(2)由,0 fx()05,x(2)当时，得7分 fxxx()1.31.3,，,log(1)lo
9、g1,x6分 aa56,x 当时，a,111,x 当时，即9分 fxxx()1.35(5)3.93.913,，,，,x,08分 01,a011,x67,x 当时，即 当时，01,x10分 11分 fxxx()1.3513.9(6)6.56.528,，,，,.6a,101,axx,0 综上，当时，x的取值范围是，当时，, 故x的取值范围是5 xx1.3(05)xx,12,。 得2,fxxx()3.913(56),12分 ,xx12,2(22),6.528.6(67)xx, 则，即fxfx()(),012xx21(21)(21)，22(1)法一:函数定义域是R，因为是奇函数， fx()fxfx()
10、(),12所以，即fxfx()(),所以说增函fx()xxx,12212,aaa数。14分 2分 ,xxx,121212，x,212xfx, 法二:由(1)可知，由于在R()12xxxx？,122aa解得 ，2121上是增函数， a,16分 22法二:由是奇函数，所以，故fx()f(0)0,？,在R上是减函数，在R上是增函数， xx，2121a,1，3分 是R上的增函？fx()x,21数。14分 a,1fx,()再由，验证，来确定的fxfx()(),x，12 合理性6分 (2)增函fx()数7分 x,21,Rfx,()xxxx, 法一:因为，设设，且，1212x，x126 (英文版 ) eas
11、ily blame, to prevent the broken window effect. Supervise the leading cadres to play an exemplary role, take the lead in the strict implementation of the and , lead to safeguard the solemnity and authority of the party discipline, ensure that the party discipline and the laws and regulations for imp
12、lementation in place. Throughout the discipline in the daily supervision and management , strengthen supervision and inspection, from the thorough investigation of violations of discipline behavior. Strengthen to key areas, key departments and key projects as well as the masses reflect the concentra
13、tion of the units and departments for supervision. - strengthening supervision, discipline inspection and supervision of cadres to set an example for compliance with the and is a man must be hexyl, blacksmith needs its own hardware. Discipline inspection organs as the executor of the party disciplin
14、e, and supervisor of the defenders, for its supervision must be more strictly, discipline inspection and supervision of cadres to firmly establish the awareness of Party Constitution, sense of discipline and rules consciousness, politics loyalty, sense obey. Action speak Ji Ordinance to set an examp
15、le of the regulations of the rule of law, strengthen supervision and accept the supervision of the firmness and consciousness, do comply with and . To firmly establish the discipline must first be disciplined, the supervisor will be subject to the 7 supervision of concept, and consciously safeguard
16、and implement party compasses party, take the lead in practicing three strict real strict, so loyal, clean, play. To be good at learning, the Constitution and the as morality, politics and brought to fruition; to implement , do not want to, dare not, not with disciplinary ruler to supervision; to di
17、scipline a ruler, often the control inspection, and consciously in the ideological red line to draw the row Ming Good accumulation is indeed the bottom line, so that the heart has fear, said to have quit, the line has ended. Attached: indifferent to heart, calmly to the table in our life, there are
18、many unpredictable things will happen, some good, some bad things, we cannot control is powerless to stop, but with time, you will find in life sometimes turns out to be not good, some bad things finally turned out to be a good thing, but then we muddy however did not know, this is the life teach us
19、 things. 1, life can be complex, can also be simple. Want simple life of precipitation, to have enough time to reflect, to make Become more perfect. Life is the most important thing is not to win, but the struggle; not to have conquered, but to have fought well. 2, the plain is the background of lif
20、e. Live a plain life, give up on themselves is not a coward, but the wise answers; not disillusioned after the heart, such as ashes, but experience the storm after the enlightenment; not unrewarding perfunctorily, but calm attitude of life of unrestrained self-confidence. Plain living, there is no n
21、oise noisy, no earthly troubles, more did not fill in the discontent of desire, 8 some just a calm, a calm. 3, memory of heart will not good things to erase the, life is a When no movie, pain is a beginning, the struggle is a kind of process, death is a kind of ending. Give up this giving up is the
22、helpless, do not give up the abandoned, do not give up this giving up is ignorance, do not give up should not give up is persistent. 4, a thing figured is heaven, think impassability is hell. Since the living, to live better. Sometimes we because of too narrow-minded, too care around the chores and
23、penny wise and pound foolish, not worth the candle. Some things to attract trouble and worry, completely depends on how we look at and deal with it. Dont always take everything back to things, and dont get into a blind alley, dont want to face, dont be narrow-minded. Poke to care, is a kind of open-
24、minded, a free and easy. 5, I am not afraid of others behind me a knife, I afraid to look back and see stab me, is my intention to treat people; I am not afraid of the truth to tell the best friend, Im afraid he turned to it as a joke to tell dont 6, when we are in a positive frame of mind, you will
25、 find many good things; and when we are in a negative state of mind, you will find many depressed things; life happy and worry, all is you of life attitude, optimistic, good luck; loss of sink, Eritrea company. When you are in adversity, may wish to change a point of view to think everything over to
26、 the good Think, because good mentality decided the fate of the! 7, people are tired, rest; heart tired, calm. Grow up, mature, this society read. Tired and sad, squat down, to their a hug. Because the world no one can 9 sympathize with you, have mercy on you. You cry, tears is your own; you pain, n
27、o one can understand. Then you only tears to smile. 8, each people have youth, Each youth are a story, the life of the world never gets easier, I want what, wish the world all know, as has been the same; now want anything, for fear that others know, or like to lose the same. 9, the heart move, every
28、thing in the world is followed by birth, Rangrang, important thing is often the most difficult to open ones mouth, because words will reduce its importance; to let strangers people care about your life in the good things, the original is not easy 10, do not blame, do not laugh at who, also dont envy
29、 who. Like a person is a kind of feeling, not like a person is true. The truth is easy to explain, I feel Is unspeakable. The best travel life is that you in a strange place found a long lost touched. 11, happy life not in the bustling in, and in the peace of mind; no matter how many grievances, how
30、 uncomfortable, and ultimately to heal themselves or their own, others may got you to comfort, but never know your heart is how wanjianchuanxin. 12, maam, like a movie, learn to appreciate, learn to be grateful, learn tolerance, and goodness, helping others. Instead of accusing the society, as into
31、one; and an exception is better to give than to what 13, dont envy him A sum of, dont lose your life and the life, respectively is: the former is a we experienced cannot escape in a day finally will last minute, while the latter is our persistent, we want to cherish the memory of those people and th
32、ings. 10 14, learn to smile, learn to strong, the world you know so many people, so many people and you are, you cannot change also cant let everyone like you, so also do not want to do. Life is too short to go crazy to love to go to waste, to chase the dream to regret. 15, when temper, a blessing t
33、o go. A wounding elegant people, the key is to control their own emotions. With the mouth is the most stupid behavior. A control negative emotions than a can take a city more powerful water flow slow, language is expensive. People spent two years of time to learn to speak, but to spend a few years t
34、ime to shut up. That is a kind of ability, that is a kind of wisdom. 16, life is not perfect, sometimes, growth is not a cry, not an eyeful of tears, there is no trace of emotion, there is no gleam of hope, no desire, no action, no static, there is only one kind of downward sinking feeling, sink A m
35、urky? 6? 7? 6? 7 sink? 6? 7? 6? 7 toward the bottom of the sink. 17, in some way, do not go, you will not know the other side scenery is beautiful. To you is not good, you do not mind too much, no one has an obligation to you; you learn knowledge, is you have weapons, you can start from scratch, but
36、 not unarmed; how do you treat people, does not represent how others treat you, if cannot see through this point, only inviting worry. 18, time is like a sponge in the water, as long as you are willing to squeeze, the total water is still there. Every life, after the ups and downs The best test of l
37、ive, to life, survival and continuation, do not stop the struggle in the joys and sorrows of life on the road, so that different soul to bear life beat, acceptance of 11 suffering. 19, indifferent to heart, calmly in table, elegant and comfortable life, do not take what is so important. The pursuit
38、will be disappointed; to be alive, you will have trouble. Life is the most afraid of what all want to care about, but also what all grasp is not firm, without scenery, separated populations, such as not to desire, all docked in the fate of the end. Why is too rigid, the natural, to go stay not to li
39、ve, let go of obsession, revel is 20, if the fate of the broken Hopes of sailing, please dont despair, the coast is still, if the fate of the withered petals of the beautiful, please do not sink, the spring is still, life will always be endless trouble, please dont helpless, because they are still a
40、live, is still a dream, the sun still, we still. Lost, keep memories; to get, must work to; but the most important is good to cherish their own. 21, life, select the complex, is to choose the pain; choose a simple, is choose to be happy. The complex world like a Significance of pride. Hope is the or
41、nate palace, outside people admiring the magnificent, living in the deep knowledge of living it to pay the price. Simple world as a simple log cabin outside ridiculed shabby, the heart is willing to go live to know the joy. Suffering and joy is their own choice. 22, learn how to use a single powerfu
42、l heart, let the past be the past, let the future come. Life is really the end of the end of an eagle is flying wings, life is constantly pursuit. Dont miss to regret, dont wait for old just miss. Time to return, seize every moment, again painstakingly again tired also Those struggling to fly. 23, l
43、ife could not Yimapingchuan, even flat 12 pavement, inevitably there will be a few pieces of roadblocks. Some of the rocks around the past, while others have to move it out. Just move others put the stone is very easy, because the stone from the appearance we can discern; difficult to myself to move
44、 away the heart of stone head. Leave time to spend with her, often reflect my heart, so as to remove your heart of stone. 24, everything does not have to be demanding, come to, everything does not have to care about, over the past; failing to do not frown, laugh it laugh. Results Dont demand, do to;
45、 life is a simple, calm and peaceful. Always not to choose their own path and regret, life is like a train, the scenery and then the United States will retreat, the passage of time and encounter will eventually drifting further and further away, before is always himself. 25, everyone has a weakness,
46、 weakness is true humanity. That has no weakness, a shallow person. That people think there is no weakness, mostly false. Life has shortcomings, there are shortcomings is the real life. That no one regret, or childish or numbness or Self deception. It is in tolerance of weakness and so on to accept, people live happily. Hello, everyone! I am a party member. The title of my speech is: study and implement the partys two laws, doing practical play highway. 2015 October 18, the Central Committee of the Communist Party of China promulgated the implem