20xx年初中化学模拟考试答题情况总结

20xx年初中化学模拟考试答题情况总结

一、学生知识方面存在的问题

1.化学用语书写错误

(1)化学式书写错误。如“Na2CO3”写成了“NaCO3”。

(2)化学方程式书写错误。如不标反应条件;不标“↑”或“↓”;不配平;

反应条件标错等。

(3)离子符号书写错误。

2.语言描述不准确。如“氧化铜由黑色变成红色”;“降低着火点”;“让氧气燃烧完”;“降低溶剂温度”等。

3.读图能力欠缺。如钙的相对原子质量写成了“40”。

4.错别字较多,数字书写模糊不清,字迹潦草,难以辨认。如仪器名称写错。“量筒”写成了“量桶”;“3”和“8”区分不开等。

5.计算错误。如“相对分子质量计算错误”;“质量分数计算错误”;“结果不符合题目要求”等。

6.计算题书写格式不规范。如“不列比例式”;“无答题”等。

二、学生答题规范性问题

1.答案未写在与题目相对应的空格上。

2.部分学生没有涂写“A”、“B”卷。

 

第二篇:20xx模拟考试错题总结1

20xx模拟考试错题总结

20xx咸阳市第三次模拟考试题:

1.The first prize goes to _______makes the greatest contribution to our country. I wish to work with ______shares my hobbies and interests.

People in Xi'an are proud of ______they have achieved in the past ten years. ------Do you think it is a good business?

------from ________i stand, it is worth doing.

A. Whomever B. No matter who C. Whoever D. Anyone E. What F. Where

2. Yesterday I went to buy a computer. There were so many models for us ______in the shop that I was at a loss which to buy.

A. To be chosen B. To choose from C. To choose D. For choosing

3.---------How did you paid for your work?

---------as a rule, we were paid________.

A. By hour B. By the hour C. By an hour D. By hours

4. This mobile is of good quality, if it ______break down within the first year , we would repair it at our expense.

______anything, give me a call and I will be glad to help you.

If I ______you, I would choose to stay at home.

If It had not been for your help, we ________(finish)the work ahead.

5. A ________(扣子)has come off his coat.

Madame Curie spent a great deal of her time on scientific ______________(实验) He contributed ____________(慷慨的)to the Red Cross.

He attended the meeting, _________(代表)the whole teachers of the school. He who ________(代表)the whole teachers of the school attended the meeting. He ______(代表)the whole teachers of our school attended the meeting.

6. They usually lose their heart and no longer study so harder as before.

20xx西安市第二次质量检测:

1. The old man has two sons. Both of _____work as doctors, which made him proud. The old man has two sons, and both of _____work as doctors, which made him proud. The old man has two sons, both of _____work as doctors, which made him proud. His daughter is a famous singer, ______made him proud.

A. which B. whom C. them D. Who

2. ____on the top of the mountain is an ancient tower_____back to two hundred years ago. Present at the meeting were several professors and teachers from Qinghua University. Deep in the mountains ______several villagers who witnessed the great historical event.

3. ------Great ! Your English is so great. Do you learn it here?

-------No. I ______as an exchange student in America for 2 years.

A. Had studied B. Were studying C. Have studied D. Studied

4. He stood up and offered her seat, as if he _______his mind.(read)

The tree looked as if it _______(not water)for a long time.

He talks about Rome as if he __________(be)there himself.

He behaves as if he _______(own) the place.

He looks as if he______(be)an artist.

He learns English so hard as if he ________(go)to the USA

5. She often complains about not feeling___________(赏识)at work.

6. The night zoo was scary but a great fun.

Most of animals were sleep when there is sunlight and wake up at night.

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