奉贤区2016英语二模

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奉贤区2016英语二模(一)
2015年奉贤区英语二模答案

奉贤区中考英语质量抽查试卷·参考答案

Part 1 Listening

I.Listening Comprehension

A.1-3 C A F 4-6 D H E

B.7-10 C D B B 11-14 D A B C

C. 15-20 F T T F F F

D. 21.grow develop 22.eighty/80 percent 23.fall asleep

24.poor gardes 25.comfortable place

Par 2

II.26-30.D A A C B 31-35.C C B A D 36-40.C B D C B 41-45.D D C D A

III.46-49.B D E C 50-53.C D A E

IV. 54.hobbies 55.first 56.less 57.attractive 58.clearly

59.revision 60.careless 61.exchange

V. 62.Does have 63.won’t there 64.How soon 65.in order/so as

66.is used 67.where had 68.The boy spent eight days

preparing for the interview

Part 3

VI.A)69-74 D B C B D B

B)75-80 C A D B B C

C)81.national 82.allow 83.sometimes 84.Besides 85.courses

86.which 87.practice/practice

D)88.On a farm in the mountain

89.No,he didn’t

90.To take this coal basket down to the river and bring back a basket of water

91.Three times

92.It had been changed from a dirty old coal basket into a clean one(inside and outside)

93.(不唯一)

奉贤区2016英语二模(二)
2016上海初三英语奉贤二模

2015学年奉贤区调研测试

九年级英语试卷 (2016. 04)

(满分150分,考试时间100分钟)

考生注意:本卷有7大题,共94小题。试题均采用连续编号,所有答案务必按照规定在答题纸上完成,做在试卷上不给分。

Part 1 Listening

(第一部分 听力)

I. Listening Comprehension (听力理解) (共30分)

A. Listen and choose the right picture (根据你听到的内容,选出相应的图片):(6分

)

A B C D

E F G H【奉贤区2016英语二模】

1.________ 2.________ 3.________ 4.________ 5.________ 6.________

B. Listen to the dialogue and choose the best answer to the question you hear (根据你听到的对话和问题,选出最恰当的答案): (8分)

7. A) England. B) Japan. C) Korea. D) America.

8. A) A cup of coffee. B) A cup of black tea.

C) A cup of coffee with milk and sugar. D) A cup of black tea with milk and sugar.

9. A) Write to each other. B) Make a phone call.

C) Have a video chat. D) Send emails.

10. A) In the shop. B) In the supermarket.

C) On line.

D) In the book store.

11. A) Mum and son. B) Hotel clerk and customer.

C) Teacher and student. D) Patient and Doctor.

12. A) $2. B) $3. C)$ 4. D)$6.

13. A) To make Qing Tuan. B) To cook the delicious food.

C) To tell the story. D) To play with her younger niece.

14. A) He can't leave here this evening.【奉贤区2016英语二模】

B) He will take the next flight to Hong Kong.

C) He has to hurry to catch the plane.

D) He can take the last flight finally.

C. Listen to the passage and tell whether the following statements are true or false (判断下列句子是否符合你听到的内容, 符合的用“T”表示,不符合的用“F”表示): (6分)

15. Japanese girls may still wear school uniforms after they have

graduated from school.

16. Japanese girls love school uniforms because of their fashionable

design and good quality.

17. The style of Japanese school uniforms for girls is adapted from

astronaut suits.

18. Japanese school uniforms are as expensive as those from Chinese

schools.

19. It's convenient for Japanese girls to wear school uniforms because

they meet the strict school rules.

20. This passage tells us three reasons why Japanese girls love school uniforms.

D. Listen to the passage and complete the following sentences (听短文,完成下列内容,每空格限填一词): (共10分)

21. To the rest of the world, Federer is _____ _____ a greater tennis

player.

22. Federer helps _____ _____ for the poor children in Africa.

23. Last summer Federer went to Africa to celebrate_____ _____ of the

Roger Federer Foundation(罗杰.费德勒基金会)

24. During his stay, Federer spent the day sitting in classes and _____

_____ young pupils in the school.

25. Federer believes every young child has the right to attend school

because ______ _____is very important.

Part 2 Phonetics, Vocabulary and Grammar

(第二部分 语音、词汇和语法)

Ⅱ. Choose the best answer (选择最恰当的答案): (共20分)

26. Which of the following underlined parts is different in pronunciation from the others?

B) There are many beautiful scenes out of the window in spring.

【奉贤区2016英语二模】

27. Which of the following words matches the sound /fi:ld/?

A) feed B) field C) fed D) find

28. ---Excuse me, have you seen an old lady carrying a huge green bag?

---Oh, ______ old lady left in a taxi just five minutes ago.

A) a B) an C) the D) /

29. Mr. Smith is now showing the guests from Canada _______ the school.

A) in B) around C) at D) with

30. Do you always have______ try when you fail to do something?

A) one B) other C) the other D) another

31. When we face a fright, our common ________are to frighten or to run away.

A) responses B) researches C) reasons D) results

32. Men are always angry with women, for they spent _______ money on unnecessary things on Double Eleven Day?

A) many B) much C) little D) few

33. The cold wave in January was ________ than ever before in Shanghai.

A) serious B) more serious C) seriously D) more seriously

34. The students from Xin Jiang enjoy staying in our school because everyone is _______to them.

A) friendly B) gently C) happily D) politely

35. What a loud explosion! I'm afraid there _____ be something wrong with the engine.

A) must B) can't C) needn't D) should

36. --- I called you this time yesterday, but there was no answer.

--- Oh, sorry. I _______ the volunteering work in my neighborhood.

A) do B) did C) was doing D) has done

37. By 8 p.m that day, the young deliveryman _______ nearly 150 packages in the city.

A) delivered B) has delivered C) had delivered D) would deliver

38. Without parents' support, few young people can _______ to buy a new flat by themselves in the city center of Shanghai.

A) award B) afford C) admit D) attract

39. With the invention of computer, many teenagers would rather _______ computer games than _______ other things.

A) to play...to do B) to play...do C) play...to do D) play...do

40. He still denied _______ anything about the robbery though he was questioned many times.

A) know B) knew C) to know D) knowing

41. _____ Martin _______ his friends ate up all the food they ordered. They took the left away.

A) Both...and B) Neither...nor C) Not only... but also D) Either...or

42. I didn't know the new classmate ________ we met at a Yoga club yesterday.

A) until B) after C) if D) though

43. I wonder ________ as the ads has promised.

A) does the air-cleaner really work B) the air -cleaner really works

C) that the air-cleaner really works D) if the air-cleaner really works

44. ---You don't have to play that record so loud, do you?

--- _____________________________.

A) I'm sorry to hear that. B) Don't worry.

C) I'm sorry to have bothered you. D) I'm bored.

45. ---What would you suggest the Grade Nine students do in the last two months?

---I'd suggest they work hard and have a good rest.

---______________________________.

A) Good idea. B) Yes, I agree.

C) Well done. D) It's hard to say.

III. Complete the following passages with the words or phrases in the box. Each word or

phrase can only be used once (将下列单词或词组填入空格。每空格限填一词,每词或词组只能填一次): (共8分)

Guide to the library in Feng Xian

The Library in Feng Xian offers different types of studying places and provides a good studying .

Zones

The library is divided into different zones. The upper floor is a

quiet zone with over a thousand places for reading, and

places where you can sit and work with your own computer. The

reading places tables and chairs. The ground floor is the

zone where you can talk. Here you can find sofas and armchairs for

ground work.

Computer

You can use your own computer to connect to the wi-fi prepared for notebook computers; you can also use applicants, such as Microsoft office. They are on the ground floor.

Group-study places

If you want to discuss freely without disturbing others. You can book a study room or sit at a table on the ground. Some study rooms are for 2-3 people and others can hold up to 6-8 people. All rooms are marked on the library

There are 40 group-study rooms that must be booked through website. To book, you need an account and a valid card. You can use a room three hours per day, nine hours at most per week.

Rules to be followed

Mobile phone conversations are not permitted in the library. Keep your phone in silent mode as if you were in a lecture and exit the library if you need to receive calls.

Please note that food and fruit are forbidden in the library, but you are have drinks and sweets with you.

Ⅳ. Complete the sentences with the given words in their proper forms(用括号中所给单词的适当形式完成下列句子,每空格限填一词): (共8分)

54. It's more delicious to add some ________ into the soup of bones. (tomato)

55. Jack watched quite a lot of American NBA basketball games, so he thought ________ a

basketball fan. (he)

56. The actor who acted in the TV series became famous in his ________. (thirty)

57. A creative egg cooker can cook eggs ________without a saucepan. (easy)

58. Don't get too ________ if you see men walking around with the skirts in Edinburgh. (surprise)

59. Goku, the character in Japanese film, may not be as _______ as the monkey we see on the traditional version(版本)of the classic Journey to the West 《西游记》. (power)

60. How about _______ the matter again after school is over? (discussion)

61. Have you ever made a wish that all your troubles will _______ soon? (appear)

V. Rewrite the following sentences as required(根据所给要求,改写下列句子。62-67题,每

空格限填一词。68题注意大小写): (共14分)

62. Everyone tries his best to achieve a higher score in Grade Nine. (改为一般疑问句) _______ everyone ________ his best to achieve a higher score in Grade Nine? 对划线部分提问)

_______ vase _______ the naughty boy break by mistake?

64. Please tell us when we should attend the meeting. (改为简单句)

Please tell us _______ ________ attend the meeting.

65. Frozen 《冰雪奇缘》is really an attractive movie. (改为感叹句)

________ _______ attractive movie Frozen is!

66. It rained heavily this morning. Most of the students couldn't go to school on time. (保持句意基本不变)

It rained so heavily that most of the students _______ _______ go to school on time this morning.

67. In this estate, we must keep the noise under 50 dbs (分贝). (改成被动语态)

The noise must _______ _______ under 50 dbs in this estate.

68. hasn't, Wendy, heard from, for, her close friend, a month (连词成句)

_________________________________________________________________________.

Part 3 Reading and Writing

(第三部分 读写)

VI. Reading comprehension (阅读理解): (共50分)

A. Choose the best answer(根据短文内容,选择最恰当的答案): ( 12分)

Touch is one of the most important of our five senses. It is one of the first senses we

develop. One of the most commonly accepted forms of touch among people is also one of the first experiences we have in the world---A hug!

There is no better way to understand the importance of hugs than to lose them. For those who have experienced the loss of hugs, you will know how important A recent research has shown that when people hug, the brain

releases the chemical which increases our willingness to trust and

reduces fear. It has also shown that hugs are great for your heart.

In 1995, a pair of newly born twins was being cared for in

hospital. While one of the twins seemed quite healthy, her sister was

not. After trying different medical treatments, the nurse on duty,

Gayle Kasparian, placed the twins in bed together. The twins

immediately snuggled ( 依偎 ) up to each other. As one placed her

arm around the other, the weak baby became better gradually. How great the power of a hug is!

奉贤区2016英语二模(三)
最新上海 奉贤区2016年二模

奉贤区2016英语二模(四)
上海市奉贤区2016届中考数学二模试卷含答案解析

2016年上海市奉贤区中考数学二模试卷

一、选择题:(本大题共6题,每题4分,满分24分)

1.如果两个实数a、b满足a+b=0,那么a、b一定是( )

A.都等于0 B.一正一负 C.互为相反数 D.互为倒数

2.若x=2,y=﹣1,那么代数式x2+2xy+y2的值是( )

A.0 B.1 C.2 D.4.

【奉贤区2016英语二模】

3.一次函数y=﹣2x+3的图象不经过的象限是( )

A.第一象限 B.第二象限 C.第三象限 D.第四象限

4.一组数据3,3,2,5,8,8的中位数是( )

A.3 B.4 C.5 D.8.

5.下列说法中,正确的是( )

A.关于某条直线对称的两个三角形一定全等

B.两个全等三角形一定关于某条直线对称

C.面积相等的两个三角形一定关于某条直线之间对称

D.周长相等的两个三角形一定关于某条直线之间对称

6.已知⊙O1与⊙O2外离,⊙O1的半径是5,圆心距O1O2=7,那么⊙O2的半径可以是( ) A.4

二、填空题:(本大题共12题,每题4分,满分48分)

7.化简: = B.3 C.2 D.1

8.因式分解:a2﹣a= .

9.函数y=的定义域是

10.一个不透明的袋子中装有若干个除颜色外形状大小完全相同的小球.如果其中有2个白球n个黄球,从中随机摸出白球的概率是,那么n= .

11.不等式组的解集是

12.已知反比例函数

大”或“减小”). y的值随x值的增大而“增,在其图象所在的每个象限内,

13.直线y=kx+b(k≠0)平行于直线2) 且经过点(0,,那么这条直线的解析式是.14.小明在高为18米的楼上看到停在地面上的一辆汽车的俯角为60°,那么这辆汽车到楼底的距离是 .(结果保留根号)

15.如图,在△ABC中,点D在边BC上,且DC=2BD,点E是边AC的中点,设

那么= ;(用不的线性组合表示) ,

16.四边形ABCD中,AD∥BC,∠D=90°,如果再添加一个条件,可以得到四边形ABCD是矩形,那么可以添加的条件是 .(不再添加线或字母,写出一种情况即可)

17.如图,在Rt△ABC中,∠ACB=90°,AD是边BC边上的中线,如果AD=BC,那么cot∠CAB的值是 .

18.如图,在△ABC中,∠B=45°,∠C=30°,AC=2,点D在BC上,将△ACD沿直线AD翻折后,点C落在点E处,边AE交边BC于点F,如果DE∥AB,那么的值是 .

三、解答题:(本大题共7题,满分78)

19.计算:.

20.解方程:.

21.AB=4,AD是∠BAC的平分线,∠ACB=90°,已知,如图,在Rt△ABC中,过点D作DE⊥AD,垂足为点D,交AB于点E,且

(1)求线段BD的长;

(2)求∠ADC的正切值. .

22.今年3月5日,某中学组织六、七年级200位学生参与了“走出校门,服务社会”的活动,该校某数学学习小组的同学对那天参与打扫街道、敬老院服务和社区文艺演出的三组人数进行分别统计,部分数据如图所示:

(1)参与社区文艺演出的学生人数是 人,参与敬老院服务的学生人数是 人;

(2)该数学学习小组的同学还发现,六、七年级参与打扫街道的学生人数分别比参与敬老院服务的学生人数多了40%和60%,求参与敬老院服务的六、七年级学生分别有多少人?

23.已知:如图,梯形ABCD中,DC∥AB,AD=BC=DC,AC、BD是对角线,E是AB延长线上一点,且∠BCE=∠ACD,联结CE.

(1)求证:四边形DBEC是平行四边形;

(2)求证:AC2=AD•AE.【奉贤区2016英语二模】

24.已知在平面直角坐标系xOy(如图)中,抛物线y=﹣x2+bx+c与x轴交于点A(﹣1,0)与点C(3,0),与y轴交于点B,点P为OB上一点,过点B作射线AP的垂线,垂足为点D,射线BD交x轴于点E.

(1)求该抛物线的解析式;

(2)连结BC,当P点坐标为(0,)时,求△EBC的面积;

(3)当点D落在抛物线的对称轴上时,求点P的坐标.

25.如图,边长为5的菱形ABCD中,cosA=,点P为边AB上一点,以A为圆心,AP为半径的⊙A与边AD交于点E,射线CE与⊙A另一个交点为点F.

(1)当点E与点D重合时,求EF的长;

(2)设AP=x,CE=y,求y关于x的函数关系式及定义域;

(3)是否存在一点P,使得=2?若存在,求AP的长;若不存在,请说明理由.

2016年上海市奉贤区中考数学二模试卷

参考答案与试题解析

一、选择题:(本大题共6题,每题4分,满分24分)

1.如果两个实数a、b满足a+b=0,那么a、b一定是( )

A.都等于0 B.一正一负 C.互为相反数

【考点】实数的运算.

【专题】计算题;实数.

【分析】利用相反数的性质判断即可.

【解答】解:由a+b=0,得到a,b互为相反数,

故选C

【点评】此题考查了实数的运算,熟练掌握运算法则是解本题的关键.

2.若x=2,y=﹣1,那么代数式x2+2xy+y2的值是( )

A.0 B.1 C.2 D.4. D.互为倒数

【考点】代数式求值.

【分析】首先利用完全平方公式的逆运算,然后代入即可.

【解答】解:x2+2xy+y2=(x+y)2=(2﹣1)2=1,

故选B.

【点评】本题主要考查了代数式求值,利用完全平方公式的逆运算,然后代入是解答此题的关键.

3.一次函数y=﹣2x+3的图象不经过的象限是( )

A.第一象限 B.第二象限 C.第三象限 D.第四象限

【考点】一次函数的性质.

【分析】首先确定k,k>0,必过第二、四象限,再确定b,看与y轴交点,即可得到答案.

【解答】解:∵y=﹣2x+3中,k=﹣2<0,

∴必过第二、四象限,

∵b=3,

奉贤区2016英语二模(五)
上海市奉贤区2016年中考化学二模试题(含答案)

2015学年奉贤区调研测试 九年级理化试卷(2016.4)

(完卷时间100分钟,满分150分)

化 学 部 分

相对原子质量: H-1 C-12 N-14 O-16 Na-23 Cl-35.5 Ca-40 Ag-108 六、选择题( 共20分)

27.属于化学变化的是

A.食物变质 B.玻璃粉碎 C.汽油挥发 D.水果榨汁 28. 为了全民健康,卫生部推广使用加铁酱油,这里的“铁”是指

A.原子 B.分子 C.单质 D.元素 29.属于有机物的是

A.碳酸 B.一氧化碳 C.甲烷 D.碳酸钾 30. 将下列物质分别加入水中,能形成溶液的是

A.硝酸钾 B.面粉 C.植物油 D.大理石 31. 不属于碳的同素异形体的是

A.金刚石 B.石墨 C.活性炭 D.碳60

点燃

32. 镁在二氧化碳中燃烧的化学方程式是:2Mg+CO22MgO+C,其中氧化剂是

A.Mg B.CO2 C.MgO D.C 33. 我区庄行菜花节,油菜花盛开,香气四溢,此现象说明

A.分子的质量很小 B.分子间有间隔 C.分子的体积很小 D.分子在不断运动

【奉贤区2016英语二模】

34. 化学在能源利用、环境保护等方面起着重要的作用。下列有关做法错误的是

A.为治理雾霾,禁止使用化石燃料 B.变废为宝,将地沟油转化为航空燃油 C.城市道路使用太阳能景观灯,节能又环保 D.使用电动汽车,减少尾气排放,改善空气质量 35. 下列实验操作正确的是

A.倾倒液体 B.加热液体 C.量取液体 D.滴管取液体

36.物质的化学式与名称(或俗称)对应的是

A. Fe(OH)2(氢氧化铁) B.氦气(He2) C. Na2CO3(纯碱) D.CuSO4(胆矾)

37. 在2Cu(NO3)22CuO+O2↑+4X↑反应中,X的化学式为

A.NO2 B.CO2 C.N2 D.NO 38.物质的用途错误的是

A.氢气冶炼金属 B.氧气用作燃料

C.稀硫酸除铁锈 D.熟石灰中和土壤酸性

初三化学-1-

39. 正确的化学方程式是

2Cu+CO2↑ B.2H2O2MnOA.CuO+CO2H2O+O2↑

C.2NaOH+SO2→Na2SO4+H2O D.Mg(OH)2+2HCl→MgCl2+H2O

40. 鉴别两瓶失去标签的稀盐酸和稀硫酸,可使用的试剂是

A.硝酸银溶液 B.石蕊试液 C.BaCl2溶液 D.锌 41. 甲烷和水反应可以制备水煤气(混和气体),其反应的微观示意图如下所示:

+ +

根据以上微观示意图得出的结论中,正确的是

A. 该反应是置换反应 B. 反应中氢元素由化合态变为游离态 C.反应前后,分子、原子种类均不变 D. 反应中丙、丁的分子个数比为1:1 42. 运用图示法可以帮助我们巧学化学。下列化学知识用相应图示表示正确的是

金 属 pH 活动性 弱 强

NH4Cl中 元素质量

合 价

分 数 0 +2 +4 43.有关二氧化碳的实验中,能达到实验目的的是

A.Fe B.Cu C.Ag D.Cu、 Ag

46. 某碳酸钙和氧化钙组成的混合物中,钙元素的质量分数为50%,将40g该混合物高温

煅烧至固体质量不再改变,则生成二氧化碳的质量是

A.8.8g B.12g C.15.7g D.20g

七、填空题( 共20分)

47.“家”是一个化学小世界,蕴含丰富的化学知识。

①以下配方可自制水培植物营养液:Ca(NO3)2125克、FeSO412克、水1公斤,Ca(NO3)2和FeSO4均属于 (1) (填“酸”、“碱”、“盐”),Ca(NO3)2属于 (2) _肥(填“氮”、

初三化学-2-

“磷”、“钾”)。

②活性炭可作家用冰箱除味剂,是因为它具有 (3) 性。

③生石灰是常用的食品干燥剂,请用化学方程式表示其干燥原理 (4) 。

④碳酸氢钠(NaHCO3)可用于焙制糕点的膨松剂。碳酸氢钠由 (5) 种元素组成, 1mol碳酸氢钠中约含有个氧原子(用科学计数法表示)。

⑤今年我们遭遇了特大寒潮袭击,造成很多家庭水管爆裂,这是由于水具有 (7) 的性质。 48. 右图是甲、乙、丙三种固体物质(均不含结晶水)的溶解度曲线。 ①t1℃时,甲、乙、丙三种物质的溶解度大小关系 (8) 。 溶②t1℃时,完全溶解5g丙物质至少需要水 (9) g。

③t2℃时,将20g 甲加入到100 g水中,充分搅拌后所得溶液度

是甲的 (10) 溶液(填“饱和”或“不饱和”),可以用 右图中 (11) 点(填“a”、“b”、“c”)表示。

④甲溶液中含有少量乙时,可通过 (12) 的方法提纯甲。正确的是 (13) 。

A.都是饱和溶液 B.溶剂质量:甲<乙 C.析出固体质量:甲>乙

D.溶质质量分数:甲<乙

12温度/℃

⑤将甲、乙的饱和溶液从t2℃降温到t1℃,对所得溶液的叙述

49.通过学习,我们知道有些物质混合后,虽然无明显现象产生,但确实发生了化学反应,如氢氧化钠溶液和二氧化碳,写出该反应的化学方程式 (14) 。教材上是通过证明 反应物二氧化碳的减少证明了反应的发生。某兴趣小组的同学认为还可以通过以下实验 证明。请与他们一起完成实验方案的实施和评价。

①方案一:将二氧化碳通入盛有氢氧化钠溶液的试管中,再滴加足量的稀盐酸,观察

到 (15) ,证明二氧化碳与氢氧化钠溶液发生了反应。

还可以使用的试剂有 (16) (写出一种与稀盐酸不同类别的物质)。

②方案二:资料显示,常温下NaOH、Na2CO3分别在水和酒精中的溶解度

将CO2通入饱和的NaOH乙醇溶液中,观察到 (17) ,证明二氧化碳与氢氧化钠溶液发生了反应。他们的推测依据是 (18) 。 ③上述两个方案在设计思想上的相同点是 (19) 。

八、简答题(共20分)

50. 为测定某氯化钠溶液的溶质质量分数,取一定量该溶液,滴入硝酸银溶液至恰好完全反

①沉淀质量 (1) g,过滤后剩余溶液的质量 (2) g; ②该氯化钠溶液的溶质质量分数 (3) 。(写出计算过程)

初三化学-3-

51. ①实验室制取氧气,结合下列实验装置图回答有关问题:

Ⅰ.仪器ⅰ名称是 (4) ,装置D名称是 (5) 。

Ⅱ.实验室用氯酸钾和二氧化锰混合物制O2,发生反应的化学方程式为 (6) 。 Ⅲ.实验室用双氧水和二氧化锰混合制O2时,为了控制氧气产生的速率,应选用的发生 装置是 (7) (填字母)。经实验验证,以下四种物质:红砖粉、细砂、金属铜网、 水泥块,都可作双氧水分解的催化剂,其中适合在D装置中使用的是 (8) 。(填序号)

a.红砖粉

b.金属铜网、水泥块

d.都可以

c.细砂、金属铜网、水泥块

化学兴趣小组为探究其成分进行了以下实验:

第一步:取样,进行焰色反应,透过蓝色钴玻璃观察到火焰呈紫色。

第二步:另取样于烧杯中,先逐渐加水,再逐渐加稀硝酸,整个实验过程中用玻璃棒不断

搅拌,烧杯内固体的质量随时间t的变化如下图所示。

52.有一包白色固体可能含碳酸钠、硫酸钠、氯化钾、硝酸钡、氯化钠中的一种或几种。某

请回答下列问题:

①原白色固体中一定含有碳酸钠、硫酸钠、硝酸钡和 (14) ; ②BC段可观察到的现象是 (15) ,同时有气泡产生; ③C点处溶液中一定含有的溶质是 (16) 。

初三化学-4-

2015学年奉贤区调研测试九年级化学试卷

参考答案及评分标准

2016.4

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