Do the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the students ' knowledge of the situation prior to the review, students not only found widespread deficiencies, but also some shortcomings, for these well designed programs, reasonable arrangement of time, this review is more targeted and more effective. For example, you can design a form for investigation, understanding students ' weaknesses in each knowledge, put it as a review of key, combined with the problem of textbooks to review, both to avoid casting a net tihaizhanshu, and improve the efficiency of review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so already have a certain degree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge networks. Exercises for students to be representative, \ning a method, class of pass was o get \s. 3, pay attention to use. The accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the corect write consonants, vowels and syllables. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phonetic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vowels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup method 本文为自本人珍藏 版权所有 仅供参考 本文为自本人珍藏 版权所有 仅供参考
2007学年第一学期九年级数学期中学业测试卷
（考试时间：90分钟 满分120分）
一、仔细选一选（本题共10小题，每小题3分，共30分）请选出你认为正确的一个选项填入答题卷相应的空格内。
1、若将函数y=2x的图象向右平移1个单位，再向上平移5个单位，可得到的抛物线解析式是（ ）
(A)y=2(x-1)-5 (B)y=2(x-1)+5 (C)y=2(x+1)-5 (D)y=2(x+1)+5
2、已知圆心角∠BOC=100°，则圆周角∠BAC的大小是（ ） (A)50° (B)100° (C)130° (D)200°
（
第2题 3、边长为3cm、4cm、5cm的三角形的外接圆半径等于（ ）cm
（A）1．5 （B）2 （C）2．5 （D）2．4 4、下列各点中，在函数y=
2
2
2
2
2
?2上的是（ ）（A）（1，2） （B） （0，-2） x1 ） 2︵1OA，则BC的长2（C）（?2,2） （D）（ -4, -
5、已知扇形OBC、OAD的半径之间的关系是OB＝
︵是AD长的（ ） （A）
ABDCO第5题
11倍 （B）2倍 （C）倍 （D）4倍 246、下列命题是真命题的有（ ）个。
①过弦的中点的直线必过圆心；②相等的圆心角所对的弧相等；③弦的垂线平分弦所对的弧；④若圆的一弦长等于圆半径，则其所对的圆周角是30°；⑤三点可以确定一个圆； (A) 1个 （B）2个 （C）0个 （D）3个 7、已知函数y?ax?ax与函数y?( )
2a(a?0)，则它们在同一坐标系中的大致图象是 xDo the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the students ' knowledge of the situation prior to the review, students not only found widespread deficiencies, but also some shortcomings, for these well designed programs, reasonable arrangement of time, this review is more targeted and more effective. For example, you can design a form for investigation, understanding students ' weaknesses in each knowledge, put it as a review of key, combined with the problem of textbooks to review, both to avoid casting a net tihaizhanshu, and improve the efficiency of review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so already have a certain degree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge networks. Exercises for students to be representative, \ning a method, class of pass was to get \s. 3, pay attention to use. The accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonants, vowels and syllables. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phonetic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vowels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup method
第7题
8、人民广场中心标志性建筑处有高低不同的各种喷泉，其中一支高度为1米的喷水管最大高度为3米，此时喷水水平距离为泉的函数关系式是（ ）
1米，在如图所示的坐标系中，这支喷2y 3
1??Ａ．y???x???3
2??Ｃ．y??8?x?21??Ｂ．y?3?x???1
2??Ｄ．y??8?x?2
1 O ??1???3 2?2
??1???3 2?21 2第8题
x 9、如图，P（x,y）是以坐标原点为圆心、5为半径的圆周上的点，若x,y都是整数，则这样的点P共有（ ）个
（A） 8 （B） 10 （C） 12 （D）16
第9题
10、如图，在Rt△ABC中∠ACB＝90o，AC＝6，AB＝10，CD是斜
边AB上的中线，以AC为直径作⊙O，设线段CD的中点为P，则点P与⊙O的位置关系是（ ） （A）点P在⊙O内 （B）点P在⊙O上 （C）点P在⊙O外 （D）无法确定
COAPDB第10题
二、认真填一填（本题共6小题，每小题4分，共24分）要注意认真看清题目的条件和要求，把答案完整地填入相应的横线上。
11、已知电灯电路两端的电压U是220伏，设电灯内钨丝的电阻为R欧，通过的电流强度为I安，则I关于R的函数解析式为 ，自变量R的取值范围是 。
22
12、函数y=-x+2x+3化成y=a(x+m)+k的形式是 。 D
13、“圆材埋壁”是我国古代著名数学著作《九章算术》中的一个问题： “今有圆材，埋在壁中，不知大小，以锯锯之，深一寸，锯道长一尺，问径几何？”此问题的实质就是解决下面的问题：“如图，CD为⊙O的直径，弦AB⊥CD于点E，CE=1，AB=10，求CD的长”。根据题意可得CD的
OAEBCDo the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the students ' knowledge of the situation prior to the review, students not only found widespread deficiencies, but also some shortcomings, for these well designed programs, reasonable arrangement of time, this review is more targeted and more effective. For example, you can design a form for investigation, understanding students ' weaknesses in each knowledge, put it as a review of key, combined with the problem of textbooks to review, both to avoid casting a net tihaizhanshu, and improve the efficiency of review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so already have a certain degree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge networks. Exercises for students to be representative, \ning a method, class of pass was to get \s. 3, pay attention to use. The accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonants, vowels and syllables. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phonetic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vowels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup method知识决定命运 百度提升自我
长为 。
14、用半径为12厘米，圆心角为150度的扇形做一个圆锥模型的侧面，则此圆锥的底面半径是 。
15、设关于x一次函数y=a1x+b1与y=a2x+b2，称函数y=m(a1x+b1)+n(a2x+b2)（其中m+n=1）为这两个函数的生成函数。则当x=1时，函数y=x+2与y=3x的生成函数的值为 。 16、△ABC的三个顶点在半径为2的圆上，BC=2
三、全面答一答（本题有8小题，共66分）尽可能完整地写出解答过程，有困难的题写出一部分解答也可以，解答过程写在答题卷相应的题号后。
17、（本小题满分6分）已知反比例函数y?3，则∠A的度数是 。
k的图象与一次函数y?3x?m的图象相x交于点（1，5）。
（1）求这两个函数的解析式；
（2）求这两个函数图象的另一个交点的坐标。 18、（本小题满分6分）已知∠ABC，用直尺和圆规作⊙O，使其经过A、B两点，且点O到∠BAC两边的距离相等。（写出作法，并保留作图痕迹）
第18题
19、（本小题满分6分）已知二次函数经过（0，6），（-1，-8），（1，0）三点，求此二次函数的解析式并求当x取何值时，y随着x的增大而增大？
20、（本小题满分8分）NBA的一场篮球比赛中，一队员正在投篮，设篮球的运动的路线为抛物线（如图），其解析式为y=-
129x+x+。
45（1）这次投篮中球在空中飞行的水平距离是多少米时高度达到最大，最大高度是多少米？
（2）若投篮时出手地点与篮圈中心的水平距离为4米，篮圈距地面3．05米，问此球能否准确投中？（不考虑其它因素）
第20题
21、（本小题满分6分）已知：如图，等边△ABC的三个顶点在圆上，D是弧BC上任意一点，在AD上截取AE=BD，连结CE。
Do the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the students ' knowledge of the situation prior to the review, students not only found widespread deficiencies, but also some shortcomings, for these well designed programs, reasonable arrangement of time, this review is more targeted and more effective. For example, you can design a form for investigation, understanding students ' weaknesses in each knowledge, put it as a review of key, combined with the problem of textbooks to review, both to avoid casting a net tihaizhanshu, and improve the efficiency of review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so already have a certain degree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge networks. Exercises for students to be representative, \ning a method, class of pass was to get \s. 3, pay attention to use. The accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonants, vowels and syllables. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phonetic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vowels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup method 求证：（1）△ACE≌△BCD；（2）AD=BD+CD
第21题
22、（本小题满分8分）用长为8米的铝合金制成如图窗框，问窗框的宽和高各是多少米时，窗户的透光面积最大？最大面积是多少？
第22题
23、（本小题满分12分）如图，在平面直角坐标系中，以点M（0，2）为圆心，以4为半径作⊙M交x轴于A、B两点，交y轴与C、D两点，连结AM并延长交⊙M于点P，连结PC交x轴于E。 （1）求直线CP的解析式；
（2）求弓形ACB和△ACP的面积。
第23题
24、（本小题满分12分）如图，抛物线y?x?2x?3与x轴交A、B两点（A点在B点左侧），直线l与抛物线交于A、C两点，其中C点的横坐标为2．
（1）求A、B 两点的坐标及直线AC的函数表达式； （2）P是线段AC上的一个动点，过P点作y轴的平行线交 抛物线与E点，求线段PE长度的最大值；
（3）点G是抛物线上的动点，在x轴上是否存在点F， 使A、C、F、G这样的四个点为顶点的四边形是 平行四边形？如果存在，直接写出所有满足条件的F 点坐标；如果不存在，请说明理由．
2Do the following three main points: 1 find out the weak. Review process is to sum up the knowledge on the one hand, make the knowledge more coherent system and regularity, but also let the students themselves, looks up the deficiencies. So, we teachers to understand the students ' knowledge of the situation prior to the review, students not only found widespread deficiencies, but also some shortcomings, for these well designed programs, reasonable arrangement of time, this review is more targeted and more effective. For example, you can design a form for investigation, understanding students ' weaknesses in each knowledge, put it as a review of key, combined with the problem of textbooks to review, both to avoid casting a net tihaizhanshu, and improve the efficiency of review. 2, good collation. Through six years of study, students in the basics, reading method, exercises, and so already have a certain degree of accumulation, the review stage, teachers should know how to guide the students to label the accumulation, process, form a system of knowledge networks. Exercises for students to be representative, \ning a method, class of pass was to get \s. 3, pay attention to use. The accumulation of knowledge is ultimately to use, therefore, review the situation and life situation to be created in a variety of languages, guide students on the basis of the previous accumulation of knowledge to use to the maximum, and really apply what they have learned. Second, review the content and strategy of the first part: the basics (a) 1, review the main points of Hanyu Pinyin is able to recite and write down the alphabet of Hanyu Pinyin; accurate spelling pronunciation (after reading cacuminal, nasal sound, light, and retroflex sounds), the correct write consonants, vowels and syllables. 2,. main types according to the order of the alphabet of Hanyu Pinyin alphabetical order; fill in the appropriate uppercase and lowercase letters; see phonetic writing words; pinyin to write sentences with dot to select the correct pronunciation of the word; to bring some initial consonants or vowels, word selection. Second, the main types of words (1) Ruby written words; (2) to bring Word to select the correct pronunciation; (3) use a sequencer and radical character lookup method知识决定命运 百度提升自我
第
24题
2007学年第一学期九年级数学期中学业测试卷
（考试时间：90分钟 满分120分）
一、仔细选一选（本题共10小题，每小题3分，共30分）请选出你认为正确的一个选项填入答题卷相应的空格内。 题号 答案 1 2 3 4 5 6 7 8 9 10
二、认真填一填（本题共6小题，每小题4分，共24分）要注意认真看清题目的条件和要求，把答案完整地填入相应的横线上。
11、 、 ；12、 ； 13、 ； 14、 ； 15、 ； 16、 。
三、全面答一答（本题有8小题，共66分）尽可能完整地写出解答过程，有困难的题写出一部分解答也可以，解答过程写在答题卷相应的题号后。 17、（本小题满分6分）
18、（本小题满分6分） B.