Transfer of mining site
In order to speed up the elimination of backward and excess capacity, the Inner Mongolia development and Reform Commission plans to comprehensively clean up and shut down virtual currency mining projects, according to an article on its official website
How to deal with bitcoin minesrecently, bitcoin continued to record high, and concept stocks surprised the capital market. Under the demonstration effect of teras' purchase of bitcoin, the price of bitcoin has been climbing, which has exceeded US $58000 before. Driven by bitcoin's booming market, & lt; Mining & quot; The rise in earnings has driven more money in. The income of bitcoin mining is mainly affected by the difficulty of mining and electricity charges. In China, with abundant electric power resources, the development of electric power instry is becoming more and more important; Mining & quot; In Inner Mongolia, an important region of the layout, the virtual currency mining project is about to be eliminated. In the past, some mines were transferred seasonally e to the wet season and dry season in Sichuan. At present, the mine owners in Inner Mongolia can only move the machines, but the infrastructure of the mine can not be moved, so they may face certain losses{ RRRRR}
Recently, the price of bitcoin continued to rise, reaching a maximum of US $41000. According to Mr. Liu, the manager of the mine, recently some customers have asked for additional orders, but the output of the mining machinery manufacturers is insufficient and they can't get a large number of mining machinery. Now they have to wait five months or more. Most of his customers have increased their positions in the middle of this year. At present, the prices of mainstream mining machines vary from 30000 to 60000, Mining takes about 12 months to recover the cost
therefore, if people really have mining ideas, they should not be dazzled by the impulse of the moment, and they should try to do it slowly. Today, the price of bitcoin continues to rise, largely because many mainstream investment institutions or investors begin to be interested in digital assets and begin to hoard bitcoin
bitcoin investment has great risks, the phenomenon of sharp rise and fall is not uncommon, and there are not a few people who have lost all their money. Therefore, it is not advisable to follow blindly and keep calm in investment
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extended data
bitcoin plummeted by more than 10%:
earlier on January 11, bitcoin once fell to $37000 / piece, the lowest to $35141, and the biggest drop in the day was more than 10%. According to the data of bitcoin home.com, the amount of burst positions in the past 24 hours reached US $1.165 billion (about RMB 7.530 billion), and a total of 115138 people burst positions within 24 hours
for the sudden drop, some netizens said: "what should come will come.". Cautious investors said that such a high position, I first clearance, short about
it is quite safe, time-saving and labor-saving. After the affair, there are birds (suggest big bird + horsewhip, if there is iron armor void, it's best!) Remember, speed is time and money
good luck and some points. Thank you.
For those pupils with poor grades, it is very difficult to learn primary school mathematics. In fact, primary school mathematics belongs to the basic knowledge, and it is relatively easy to master certain skills. In primary school, it is a period that needs to develop good habits. It is important to pay attention to the cultivation of children's habits and learning ability. What skills do primary school mathematics have
It can be seen from this that the skill of primary school mathematics is to do more exercises and master basic knowledge. In addition, it is mentality. If you can't be timid before the exam, it's very important to adjust your mentality. Therefore, you can follow these skills to improve your ability and make yourself enter the ocean of mathematics2. From the development trend of the new round of curriculum reform in China The outline of basic ecation curriculum reform (Trial Implementation) puts forward the task of changing students' learning style, advocating the learning style of autonomy, cooperation and inquiry, and the real cooperative learning and inquiry learning must be autonomous learning. Therefore, advocating autonomous learning has become the primary task of changing students' learning style. From the relationship between teaching and learning. Teaching methods determine learning methods, and students' autonomous learning cannot do without the guidance of teachers. Therefore, it is of great practical significance to study the guiding strategies to promote students' autonomous learning
3. From the current problems in classroom teaching. The traditional way of learning is based on human's objectivity, passivity and dependence, which leads to the erosion of human's subjectivity, initiative and independence. For a long time, classroom teaching has followed the teaching mode of full room filling and full room asking, which makes students' learning become a kind of passive behavior and other control behavior under external force. Students often study and do their homework in a blind and "selfless" state, and rarely engage in completely self-control learning activities on their own. This kind of passive learning, which lacks initiative and consciousness, completely loses the long-term value and significance of promoting the growth and development of the subject. From the relationship between guidance and autonomy. Traditional ecation attaches too much importance to the leading role of teachers, teachers lead more, students are always in a passive position; Since the implementation of quality ecation, it is strongly advocated to play the main role of students, and teachers dare not give more guidance. Therefore, how to correctly understand the relationship between guidance and autonomy is very important to promote quality ecation
4. From the development of the school itself. In the past three years, our school has carried out the research on the project of independent innovation ecation, which has created a harmonious campus humanistic environment, triggered students' subjective consciousness, and formed an atmosphere of teachers' dedicated teaching and research. In order to further deepen the achievements of ecation and scientific research and strengthen the connection of subjects, this paper puts forward the research of this subject< Second, the definition of the subject
"autonomous learning" is a concept opposite to "other learning", which is a summary of the essence of learning and a high-quality and high-quality learning. Generally speaking, it refers to the process or ability of learning subject to consciously determine learning objectives, make learning plans, choose learning methods, monitor learning process and evaluate learning results under teaching conditions
"guidance" is a purposeful, planned, organized, step-by-step and instructive training activity for students, which focuses on providing help and guidance to the ecated
"strategy" refers to a series of specific problem-solving behaviors adopted by teachers to achieve teaching objectives or teaching intentions
the purpose of this project is to study the guidance strategies to promote primary school students' autonomous learning, so as to wake up the awareness of primary school students' autonomous learning, cultivate their autonomous learning ability, autonomous learning habits and autonomous learning quality< Third, the goal of the research
1. Construct the specific goal of primary school students' autonomous learning, form the guidance strategy to promote primary school students' autonomous learning, and improve the professional development level of teachers
2. Primary school students' awareness of autonomous learning has been enhanced, their ability of autonomous learning has been improved, their habit of autonomous learning and the quality of autonomous learning have been cultivated< (1) theoretical basis
1. Subjectivity development ecation is an important thought of Marxist philosophy. According to Marxism, human activity, that is, subject activity, is a process in which indivials consciously interact with objects. Only through the activities of the subject, can man act on the objective world, actively understand the objective facts, and improve the development and perfection of man himself in this process. 2. The integrated constructivist theory holds that knowledge is not passively accepted, but actively constructed by cognitive subjects. Construction is realized through the interaction of new and old experiences. Students have specific natural endowments, live in a specific natural society and family environment, receive different cultural influence, and proce different life experience, knowledge accumulation, thinking habits and cognitive structure. We should attach importance to learners' previously constructed knowledge and experience, and take learners' existing knowledge as the growth point of new knowledge< (2) theoretical hypothesis
through the study of guiding strategies to promote primary school students' autonomous learning, we can wake up the awareness of primary school students' autonomous learning, help primary school students understand themselves, evaluate themselves, and consciously adjust themselves in learning interaction; It can help students deepen their perception, imagination, thinking and creativity, so that they can be aware of their role and value at any time, release their life potential and learn to learn< Independent learning is not only the need to adapt to social development, but also the need of self-development of ecation, but also the need of lifelong learning and development of the new generation of talents
2. The research of independent innovation ecation lays the foundation for the research. Therefore, the research of this subject has a good school foundation
3. The researchers involved in this project are district teaching experts and teaching rookies, who have strong ecation and scientific research ability and rich teaching experience< Six, research content
1, research the specific objectives of primary school students' autonomous learning
2. Study the guiding strategies to promote the formation of pupils' self-learning awareness, self-learning ability, self-learning habits and self-learning quality< Seven, implementation ideas, operational principles and research methods
1, implementation ideas
as the general topic of the guidance area, all teachers participate in the research. According to the different age characteristics of primary school students, it is divided into three gradients: low, middle and high. The center takes the teaching and research group as the unit, and the village school takes the school as the unit to explore. At the same time, it is necessary to highlight the key research points and grasp the two key disciplines of Chinese and mathematics. In the process of implementation, firstly, we should renew teachers' ecational ideas and enhance their awareness of good guidance; Secondly, the focus of guidance should be placed in class, and close contact with extracurricular< In order to ensure the smooth progress of the study, the following principles must be followed:
(1) the principle of autonomy. Teachers should choose the research content according to the project plan and their own reality, and carry out the research creatively. Teachers should pay attention to students' subjective consciousness, so that students have more opportunities to activities, experience and even create
(2) difference principle. There are indivial differences among the ecated, which are caused by the differences in innate conditions, environmental influences and ecational conditions. These differences determine that ecation should not only require different indivials to achieve a unified ecational goal, but should teach students in accordance with their aptitude, so that each ecatee can develop on his own original basis< (3) the principle of cooperation between teachers and students
teaching is the unity of teachers' teaching and students' learning, the essence of which is communication. Therefore, modern teaching theory points out that the teaching process is a process of communication, positive interaction and common development between teachers and students. The traditional strict sense of teachers' teaching and students' learning will give way to teachers' and students' mutual teaching and learning, forming a "learning community" with each other< (4) the principle of overall development. We should regard classroom teaching and all aspects of students' physical and mental quality as an interrelated development whole, so that classroom teaching, society, family and students' life form a collaborative whole. Teaching aims at the sustainable development of students' overall quality
(5) reflective principle. Reflection is the ability to review the work that has been done, grasp the established goals and progress, put forward improvement plans, and apply the knowledge learned from teaching or from others. In the experiment, teachers should have the consciousness of reflection and constantly reflect on their guiding behavior
3. Research methods
this study mainly adopts action research method, case study method, experience screening method and investigation method
(1) action research method. Make a plan before the research, practice the plan ring the research, observe the students' reaction, observe the effect after the research, reflect on the teaching activities and improve the teaching activities. The research period can be long or short, the scope can be large or small, and the researchers can be indivials or groups. Every research should have four links: planning, practice, observation and reflection. This method is suitable for the preparation and implementation of the project
(2) case study method. Teachers record typical cases in the process of research, analyze and reflect. This method is suitable for the implementation stage of the project
(3) empirical screening. Collect and sort out the research materials, screen out the useful and eliminate the useless, and then summarize and refine the useful materials. This method is suitable for the summary stage of research< (4) investigation method. Using interview, discussion, questionnaire, general statistics and other methods to understand and master the research situation. This method is suitable for the whole process of the research.
1. Cultivating students' computational ability is an important task of primary school mathematics teaching and an important foundation for students to learn mathematics in the future. According to the quality analysis of usual testing and final examination, students' computing ability is generally low, which undoubtedly causes great obstacles to students' learning and development. In order to quickly and effectively improve students' computing ability, better develop students' thinking, and improve the quality of mathematics teaching in a large area, it is necessary to strengthen the teaching of calculation as a breakthrough in primary school mathematics teaching
2. Through the research of this topic, we should strive to improve students' computing ability, cultivate their oral, mental and written abilities, and encourage students to graally like mathematics and become interested in calculation in lively and relaxed learning. So as to improve students' academic performance and lay a solid foundation for students' future study< Second, the goal of the research is to find out the reasons for the slow speed and low accuracy of students' mathematical calculation< Looking for teaching breakthrough and teaching training methods that can improve students' mathematical calculation speed and accuracy: (1) strengthen students' oral calculation training by taking oral calculation ability training as a breakthrough 2) Control a certain amount of training to cultivate students' sense of number 3) While paying attention to the training of students' thinking ability, we should pay attention to the training of students' mathematical calculation, grasp the basis, highlight the pertinence, find the regularity, and properly integrate< Third, research measures
1
"in order to cultivate students' computational ability, we should pay attention to the basic training of oral arithmetic, insist on regular practice, and graally achieve proficiency." This is the requirement of mathematics curriculum standard. In the process of teaching, we should organize teaching and training in a planned, step-by-step and purposeful way, such as listening to arithmetic, reading cards and oral arithmetic, reading questions and calculating silently, and repeatedly emphasize that the first is correct and then fast
2. Strengthen basic knowledge and improve written calculation ability
in calculation teaching, oral calculation is the basis of written calculation, while written calculation is the key. Written calculation plays an extremely important role in primary school mathematics teaching. No matter how advanced the technology is in the future, the ability of written calculation is always a necessary ability for primary school students
(1) to enable students to understand the basic knowledge of mathematics and master skills is the primary condition for the formation of computational ability
each calculation is based on the corresponding concepts, rules, properties, formulas and other basic knowledge. If students don't understand these basic knowledge correctly and master them thoroughly, they can't calculate. Only after students understand and master the relevant operation properties, laws and skills, can they apply these knowledge in specific calculation to seek simple and reasonable methods, improve the accuracy of calculation and speed up calculation
(2) strengthening practice and skill training is the key to the formation of students' computing ability
for example, in the calculation of four items of scores, some students often encounter the situation that the calculation method is correct but the calculation result is wrong. The reason for the error lies in the basic skills such as score rection, general score or mutualization; Another example is the division of decimals, especially when the divisor is a decimal. The mistake is that when the divisor becomes an integer, the divisor does not expand the same multiple at the same time, resulting in a wrong quotient. So we should strengthen the training of basic calculation skills in calculation practice
(3) memorize common data to improve the calculation speed
in the four arithmetic operations, if students memorize some common data, it will not only help students to achieve the requirements of "correct and rapid", but also help them master the skills of calculation. For example: special data with sum and proct of whole hundred and thousand (for example: 75 + 25 = 100 + 25) × 4=100 125 × 8=1000 The proct of the approximate value of PI 3.14 with one digit and the proct with several common numbers 12, 15, 16, 25 and 36; The denominator is the decimal value of the simplest fraction of 2, 4, 5, 8, 10, 16, 20 and 25, that is, the interaction of these fractions and decimals
the results of the above numbers, whether in daily work or in real life, are used very frequently. After mastering and remembering them, they can be transformed into abilities and proce high efficiency in calculation
3
after mastering the calculation method, students tend to deal with the boring calculation, resulting in more calculation errors. At this time, the proper development of some computing competition activities, often can better mobilize the students' learning initiative, improve the interest in computing, and achieve the purpose of improving the accuracy of computing. This semester, I plan to carry out two calculation competitions in the class, in order to improve the students' interest in calculation and improve the accuracy of calculation. After the competition, pay attention to sort out the students' mistakes, analyze and classify them, and then make targeted remedies, so as to clear the obstacles for improving the students' computing ability
4. Encourage students to have a pleasant learning experience
teachers should encourage students to make mistakes e to carelessness. In the usual homework correction, we should affirm its strengths, enhance self-confidence, put forward ardent hope, and urge it to correct its shortcomings< 5. Expected effect
1
2. Cultivate students to participate in the derivation of rules and formulas, and truly clarify the calculation
3. Help students memorize common data and improve the calculation speed
4. Pay attention to the analysis of wrong cases and suit the right medicine to the case
5. Cultivate students' habit of checking calculation consciously and correcting mistakes independently
6. Cultivate students' habit of summarizing and reflecting< 6. Research steps of the project
the project started in February 2014 and ended in June 2014
the first stage is to formulate the implementation plan of the research project and write the experimental plan of the project
the second stage: implementation stage (February 2014 to June 2014)
the third stage: writing the final Research Report of this topic. In short, in the process of research, I will strive to make plans, implementation, feedback and summary, so as to ensure the smooth progress of the research and receive actual results.