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
A C
19、（本小题满分6分）
20、（本小题满分6分）
21、（本小题满分8分）
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知识决定命运 百度提升自我
22、（本小题满分8分）
23、（本小题满分12分）
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
24、（本小题满分12分）
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知识决定命运 百度提升自我
姓名 班级 试场号 座位号
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 B 2 A 3 C 4 C 5 A 6 C 7 B 8 C 9 C 10 A
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、I?220、 R﹥0 ；12、 y=-(x-1)+4 ； 13、 26 ；
2
R14、 5cm ； 15、 3 ； 16、 60°或120° 。
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）
k的图象上 xk5有5?，即k?5 ∴ 反比例函数的解析式为y?（2分）
1x解：（1）∵ 点A（1，5）在反比例函数y?又∵ 点A（1，5）在一次函数y?3x?m的图象上 有5?3?m ∴ m?2
∴ 一次函数的解析式为y?3x?2（2分） （2）由题意可得
55??x?1x???y???21 解得?或?3 x??y1?5?y??3?y?3x?2??2∴ 这两个函数图象的另一个交点的坐标为(?,?3)（2分） 18、（本小题满分6分）
解：作法：（1）作线段AB的中垂线l1;
53Do 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 (2)作∠ABC的角平分线l2，交于点O； （3）以O为圆心，OA为半径作⊙O。 ∴如图 ⊙O是所求的图形。
（图形基本准确得3分，作法2分，结论1分） 19、（本小题满分6分）
2
解、设二次函数的解析式为y=ax+bx+c 把(0,6)(-1,-8)(1,0)分别代人得 C=6 a-b+c=-8 (2分) a+b+c=0 解得 a=-10 b=4 （2分） c=6 2
∴所求的解析式为y= -10x+4x+6 （1分） 当x≦
1时，y随着x的增大而增大. （1分） 51127(x-)+ 55220、（本小题满分6分） 解：（1）配方得y= -
∴这次投篮，球在空中飞行的水平距离为2.5米时，达到最大高度为3.5米。（4分）
（2）把x=4代入解析式得
y=3.05 （1分）
答：此球能准确投中。 （1分） 21、（本小题满分8分）
证明：（1）∵⊿ABC是等边三角形
∴AC=BC
∵∠DBC=∠DAC，AE=BD
∴⊿ACE≌⊿BCD （3分） （2）∵⊿ACE≌⊿BCD
∴ EC=CD，AE=BD，∠DCB=∠ACE （1分） ∵∠ACB=60° ∴∠ECD=60°
∴⊿DCE是等边三角形 （2分） ∴DC=DE
∴AD=AE+DE=BD+CD （2分）
22、（本小题满分8分）
解：设窗框的宽为x米，面积为y平方米 则由题意得窗框的高为
8?3x 米 （1分） 2∴y=x×
8?3x32
=-x+4x （2分） 22