最全！2018年中考各科试题、答案、解析

臣呵藏竟

东南数理化
专注中小学个性化教育


关注
、

、

      2018年上海中考已落幕，考生们的心却一直没有放下，毕竟成绩要在7月6日才发布。我们将所有科目重点试题以及答案解析整理了出来，大家快看看自己考的怎么样吧~
物理试题（含答案）


英语听力+作文

英语听力+解析A. listen and choose the right picture.
根据你听到的内容选出相应的图片，并在答题纸上填涂相应的字母代号，每个句子念两遍。 
1. Alice is always active in maths lessons.
2. We must wear seat belts when we travel by car.
3. Nowadays, it is popular to make cookies at home.
4. The pretty clothes in the shop caught Helen's eye.
5. Cycling is good exercise, isn't it?
6. Jane and her daughter are having a good time in the swimming pool.
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，并在答题纸上填涂相应的字母代号，对话和问题都念两遍。
7. A: Wow, so many apples here. They're my favorite.
 B: Yes, apples are good, but I like oranges best question.
 Question: What is the woman's favorite fruit?
解析:本题目男声女声各自发表最喜欢的水果，此处问女声最喜欢的水果，听到 favourite和lke..best注意问题的设置，避免陷阱
答案为 oranges
8. A: When will the foreign students arrive at our school tomorrow?
B: At nine o'clock in the morning, and the welcome party will start at nine fifteen.
Question: When will the foreign students arrive?
解析:本题考查时间，到达时间对应nneo＇ ＂clock. welcome party对应 nine fifteen.两个时间注意避免混淆，答案为9 o＇clock
9. A: Are we driving to the Century Park, Tony?
 B: Well, it's difficult to find a parking space there. Let's take the underground.
Question: How will they go to the Century Park?
解析:本题考查交通方式。虽然同时出现 parking space，但是注意它的描述: difticult.，表现出开车的艰难性，随后出现lets“让我们”，答案为 underground
10. A: What a day! It's raining again.
B: Yes, it is. It has rained for a whole week. Hope it'll be sunny tomorrow.
Question: How's the weather today?
解析:本题考查天气类及许愿相关表达。注意 raIning again和 for a whole weck.且出现hope tomorrow，说明说话的时候还在下雨。答案: rainIng
11. A: Hey John, any plans for your summer holiday?
B: I'm going to visit my uncle in Beijing. What about you?
A: I'll go to a language camp in London with my classmates.
Question: What will John do in the summer holiday?
解析:本题考查假期计划。两人各自表了暑期安排，John准备“ visit my uncle in Beijing女声准备参加“ language camp”答案: visit uncle in Beijing
12. A: Tom, go to the store downstairs and get some salt for me. I'm busy cooking.
B: Okay Mom, I'll go right away.
Question: Where does this dialogue probably take place?
解析:本题考查场景推断，只需要听到关键“ Im cooking，要求去 store买salt可以推断出对话发生在家里，答案: at home
13. A: This pair of shoes looks perfect on you, sir.
B: Thanks. Um, but it's a little bigger.
A: OK, try on this pair please, size 41.
Question: What's the probable relationship between the two speakers?
解析:本题考查人物关系推断。男声在鞋子，并抱怨有点 bigger，后面又听见 try on thisSize41.可以判断出，两人的关系是鞋店的顾客和店员。答案: customer- -shop assistant
14. A: I happened to meet your sister Lucy in the supermarket. She didn't recognize me at first.
B: It's not surprising. You've put on too much weight recently. It's time for you to do something.
Question: What does the woman suggest the man do?
解析:本题考察细节捕捉，关键题是didn‘t recognized ，put on too much weight.可以判断出，女声建议男声减肥。答案：lose weight
C.  listen to the dialogue and tell whether the following statements are true or false.
判断下列句子是否符合你听到的对话内容，符合的用T表示，不符合的用F表示，并在答题纸上填涂相应的字母代号，对话念两遍。
A: Hello, my name is Simon. Are you a new student?
B: Yes, I am. My name is Mary. Nice to meet you.
A: Nice to meet you too. I have studied in this college for two years. How do you like your college life?
B: It's wonderful. And I'm really enjoying the courses.
A: Me too. I think the courses are very interesting. The teachers are excellent and I love classroom discussions. We can express our own feelings freely. That's lots of fun.
B: Yes, exactly. But I cannot find anything interesting to do after class.
A: You can join some clubs. And I think you can also do some volunteer work. I have joined a volunteer organization. I will work as a volunteer for an international exhibition.It will be in Shanghai, China.
B: Oh, really? That sounds great. By the way, when are you leaving?
A: In five months. The city of Shanghai looks so attractive on TV. I have always wanted to visit it.
B: Me too. I hope I will have a chance to go there in the future. Wish you good luck in China.
A: Thank you.
解析:本题描述的是新生见面的场景。首先，两人相互介绍各自的名字，通过男声提出大学生活的问题，两人进一步对大学生活中的课程，老师，上课情况进行讨论。其次，根据女声提出的业余活动枯燥，男声提供了一些建议，并表示自己马上就要去参与其中一个在上海举办的活动。最后女声表示期望也有机会去上海。对话经历了:新生自我介绍校园生活积极的感受校园生活消极的感受给出建议-身经历举例。学生只需要听到整个过程中的关键词就可以做出正确的判断


D. Listen to the passage and complete the following sentences.
听短文完成下列内容，短文念两遍。
Kitty's family had just moved to a new house. It was their first spring there. Kitty was very excited because it was Mom's birthday today. She wanted to plant a little garden with a lot of beautiful flowers for Mom as a birthday present. So she went to a flower shop and bought some flowers with all her pocket money. When Dad saw the flowers, he laughed because they were not real. They were plastic. Dad told kitty they couldn't plant plastic flowers in the garden because they wouldn't grow. Kitty was so sad and she started to cry. Moments later, Dad got a good idea. He went to his friend Mr White to borrow some flower seeds. With the seeds, they started their work. They planted the seeds and put the plastic flowers above them. They worked in the garden for three hours. When Mom got back, she was surprised to see the plastic flowers in the garden. But after hearing the whole story, she was moved to tears by the special present. It was a present full of love.
英语作文My progress，（以“我进步了”为题，写一片不少于60字的短文。）你在生活或学习中一定取得过不少进步，比如生活技能的获得，学习方法的掌握，良好习惯的养成。请选择其中一方面，结合自身经历，谈一谈你是如何取得这一进步的。
The following is for reference only. (以下表达仅供参考)；used to do/be...  try my best to...  make progress in(doing)...


中考化学试题+答案

48题：

氧气的体积	30%	40%	60%	70%
带火星的 木条	不复燃	稍亮	复燃	复燃

有一瓶装有50%水的集气瓶，用排水法收集氧气，水排空时，将带火星的木条放于瓶中，木条会怎么样？
答案：由于瓶中本来存在50%的空气，所以最后瓶中是50%空气+50%纯氧气，氧气的总含量=10%*21%+50%=60.5%>60%，因此复燃。 
49题：
96.5g水中游2.7g NaO，在该温度下NaCl的溶解度是36g/100g水，问蒸发多少的水才会有晶体析出。
答案：
第一步，通过该温度下溶解度求出该温度下，饱和溶液的溶质质量分数为26.5%
第二步，根据浓缩过程溶质不变，求出饱和溶液时溶液的质量是10.2g，其中水的质量是7.5g
第三步，96.5g减去7.5g，为蒸发水的质量，即89g
50题：
简答题：
(1)铝锌银的金属活动顺序
(2)6.5g锌和足量的稀硫酸生成多少摩尔的氢气
(3)画图
(4)1.8gM和足量浓硫酸生成0.1摩尔氢气，M是什么金属？

51题

数学试题+答案
18. 定义：如果一个图形所有的点都在同一平面水平放置的矩形里或者边上，且该图形与矩形的每条边都至少有一个交点，那么就称这个矩形为“该图形的矩形”，且矩形的水平边为“宽”，垂直边为“高”.如图，边长为1的菱形ABCD的边AB水平放置，已知“该菱形的矩形”的“高”是“宽”的 ，求“该菱形的矩形”的“宽”.

19题： 解不等式组

<span style="font-family: 宋体, SimSun;font-size: 13px;color: #0070c0;">答案：-1<span style="font-family: arial;line-height: 20.02px;">