2012届浙江省温州四中九年级第二次模拟考试数学试卷(带解析)

适用年级:初三
试卷号:70656

试卷类型:中考模拟
试卷考试时间:2017/7/19

1.单选题(共7题)

1.
如果a与-7互为相反数,那么a是 (  )
A.0B.C.7D.1
2.
计算:的结果是()
A.B.C.D.
3.
若一次函数(k≠0)的图像经过(1,2),则这个函数的图像一定经过点()
A.(0 , 2)B.(-1 , 3)C.(-1, 4)D.(2 , 3)
4.
如图,已知AB∥CD,直线EF分别交AB,CD于点E,F,EG平分∠BEF,若∠1=5O°,则∠2的度数为( ).
A.50°B.6O°C.65°D.7O°
5.
铁板甲形状为直角梯形,两底边长分别为4cm,10cm,且有一内角为60°;铁板乙形状为等腰三角形,其顶角为45°,腰长12cm.在不改变形状的前提下,试图分别把它们从一个直径为8.5cm的圆洞中穿过,结果是()
A.甲板能穿过,乙板不能穿过B.甲板不能穿过,乙板能穿过
C.甲、乙两板都能穿过D.甲、乙两板都不能穿过
6.
从上面看如右图所示的几何体,得到的图形是( )
A.B.C.D. 
7.
某次器乐比赛设置了6个获奖名额,共有ll名选手参加,他们的比赛得分均不相同.若知道某位选手的得分.要判断他能否获奖,在下列ll名选手成绩的统计量中,只需知道(    )
A.方差 B.平均数 C.众数 D.中位数

2.选择题(共11题)

8.

根据短文内容,判断正误。

      When you're invited to have dinner at a foreigner's home, please remember the followings.

      At the table, when the hostess(女主人) picks up her napkin, you may pick up yours and put it on your legs.

      If a servant(佣人) passes food around, he will pass the dish to you at your left hand so that you can easily serve yourself with your right hand. Never serve yourself while the dish is on your right. It is then the turn of your neighbour on the right.

      Do not reach across the table to get something in front of someone. That is not polite. Ask him or her to pass it to you.

      There are things in the middle of the table, such as bread, butter, and candies. You shouldn’t take any until the hostess tells the servant to pass them to you.

      Do not leave your seat without saying anything. If you need to leave the table to go to the washroom or do something else, you should say “Excuse me for a moment, please.”

9.

根据短文内容,判断正误。

      When you're invited to have dinner at a foreigner's home, please remember the followings.

      At the table, when the hostess(女主人) picks up her napkin, you may pick up yours and put it on your legs.

      If a servant(佣人) passes food around, he will pass the dish to you at your left hand so that you can easily serve yourself with your right hand. Never serve yourself while the dish is on your right. It is then the turn of your neighbour on the right.

      Do not reach across the table to get something in front of someone. That is not polite. Ask him or her to pass it to you.

      There are things in the middle of the table, such as bread, butter, and candies. You shouldn’t take any until the hostess tells the servant to pass them to you.

      Do not leave your seat without saying anything. If you need to leave the table to go to the washroom or do something else, you should say “Excuse me for a moment, please.”

10.

In parts of India, people use their {#blank#}1{#/blank#} (finger) to pick up the food.

11.

In parts of India, people use their {#blank#}1{#/blank#} (finger) to pick up the food.

12.

In parts of India, people use their {#blank#}1{#/blank#} (finger) to pick up the food.

13.

It's impolite _______ laugh at others in our country.  

14.

根据对话情景选择恰当的选项。

A. I had no enough time to sleep.

B. I can get to school on time.

C. Your whole day will be fun after you enjoy a good breakfast.

D. I don't eat anything in the morning.

E. You just want to sleep for a few more minutes

F.My favorite food is fried rice。

G. Bread,eggs and milk are ready now。

A: Meimei! It's time to get up, or you'll be late!

B: Don't worry, Mom. {#blank#}1{#/blank#}

A: How? With so little time!

B: You know, sometimes {#blank#}2{#/blank#}

A: But a good breakfast is very important, so you should have breakfast on time.

B: Mom, last night I had so much homework to do that {#blank#}3{#/blank#}

A: I see. {#blank#}4{#/blank#} But it doesn't take you much time to have breakfast.

B: OK, Mom. I'm coming.

A: Meimei, having breakfast on time can help you to work better and play more happily. {#blank#}5{#/blank#}

B: I know, Mom. Thank you. It's time to go. Bye-bye.

A: Bye.

15.

根据短文内容,完成下列各题。

An important question about eating out is who pays for the meal. If a friend of yours asks you to have lunch with him, you may say something like this, “I'm afraid it'll have to be someplace cheap, as I have very little money.” The other person may say, “OK, I'll meet you at McDonald's.”

    This means that the two agree to go Dutch, that is, each person pays for himself. He may also says, “Oh, no, I want to take you to lunch at Smith's.” This means the person wants to pay for you. If you feel friendly towards this person, you can go with him and you needn't pay for the meal.

    American customs about who pays for dates(约会) are almost the same as in other parts of the world. In the old days, American women wanted men to pay for all the meals. But today, a university girl or a woman in the business world will usually pay her own meal. So as you can see, it is a polite thing to make the question clear at the very beginning.

16.

根据短文内容,完成下列各题。

An important question about eating out is who pays for the meal. If a friend of yours asks you to have lunch with him, you may say something like this, “I'm afraid it'll have to be someplace cheap, as I have very little money.” The other person may say, “OK, I'll meet you at McDonald's.”

    This means that the two agree to go Dutch, that is, each person pays for himself. He may also says, “Oh, no, I want to take you to lunch at Smith's.” This means the person wants to pay for you. If you feel friendly towards this person, you can go with him and you needn't pay for the meal.

    American customs about who pays for dates(约会) are almost the same as in other parts of the world. In the old days, American women wanted men to pay for all the meals. But today, a university girl or a woman in the business world will usually pay her own meal. So as you can see, it is a polite thing to make the question clear at the very beginning.

17.下列相关“热现象”,对其解释不正确的是(   )
18.下列相关“热现象”,对其解释不正确的是(   )

3.填空题(共3题)

19.
如图,三角形ABC的面积是30平方厘米,D是BC的中点,AE的长是ED的长的2倍,那么三角形CDE的面积是    平方厘米.
20.
二次根式中,x的取值范围是  
21.
如图,菱形ABCD中,∠A=60°,BD=7,则菱形ABCD的周长为    

4.解答题(共4题)

22.
自从温州动车开通后,某批发商场的生意一直很火爆。经过统计,商场销售一批衬衫,每天可售出 2000 件,每件盈利 40 元,为了扩大销售,减少库存,决定采取适当的降价措施,经调查发现,如果一件衬衫每降价 1 元,每天可多售出 200 件.
(1)设每件降价 x 元,每天盈利 y 元,列出 y 与 x 之间的函数关系式;
(2)每件降价多少元时,商场每天的盈利达到最大?盈利最大是多少元?
23.
如图,在平面直角坐标系中,一次函数的图象与轴,轴交于两点,,,过点于点,点从点出发,沿方向运动,过点于点,过点,交于点,当点与点重合时点停止运动.设.
(1)、求点的坐标
(2)、用含的代数式表示
(3)、是否存在点,使为等腰三角形?若存在,请求出所有满足要求的的值,若不存在,请说明理由.
24.
已知:如图,AC与BD交于点O,AO=CO,BO=DO.求证:AB∥CD
25.
牛奶对人体益处在现代社会越来越受到人们的认可,某商场在“3.15”那天对牛奶进行促销活动,同时对销售A、B、C三种品牌袋装牛奶的情况进行了统计,绘制了条形和扇形统计图.根据图中信息解答下列问题:

(1)哪一种品牌牛奶的销售量最大?
(2)补全图㈠中的条形统计图.
(3)写出A品牌牛奶在图㈡中所对应的圆心角的度数.
试卷分析
  • 【1】题量占比

    单选题:(7道)

    选择题:(11道)

    填空题:(3道)

    解答题:(4道)

  • 【2】:难度分析

    1星难题:0

    2星难题:0

    3星难题:0

    4星难题:1

    5星难题:0

    6星难题:6

    7星难题:0

    8星难题:2

    9星难题:5