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3, showing the use of figurative teaching means teaching climax.

The so-called teaching climax, is a teacher teaching the students left the most profound and distinct impression, and be reflected in the students that the most emotional moment, when the enthusiasm of both teachers and students the best with the state. Upsurge in teaching, reflection on teaching students is a sensitive and strong, their entire sense of time is abnormal, “awakening” and a high degree of excitement, passion and creative and successful experience.

  Children tend to understand the world through the image, and therefore need to use when teaching a variety of visual means of teaching content reproduction. Today the computer must become an important carrier of teaching content. For example, Ma Xinlan experimental materials subtraction of the initial understanding of the second volume of a lesson, it’s key, difficult is to understand the meaning of subtraction – removed from the whole part, get the other part. In order to break through teaching points, difficult points, to stimulate students interest in learning, in this lesson I designed a computer game apples, big screen appears when the beauty of a fall, the students were attracted immediately, in This beautiful scenery in a tall tree, above the knot with six red apples, then ran a little girl asked: “Do you suppose I could take off a few? left a few?” this time excited the students up , came up with many solutions, and the basis of the question has realized the meaning of subtraction, presents the climax of teaching.

Second, optimizing classroom teaching and improve teaching efficiency.

An “optimization” of the classroom can help students develop thinking ability, contribute to information transfer, and today’s computers have become “optimized” the importance of classroom aids. We can use a computer set up information channels, set up materials, students, teachers as a bridge between. Babanski said: “knowledge is not only the consciousness of the people there, but in the way of objective information exists, the information stored in books, libraries, etc. into computer, it is in understanding the process of wealth. “As a modern mathematics classroom, computer assisted instruction and must assume the important task of transmitting information, he can help the teacher and students, between students and between students, between students and information, interaction between teachers and data transfer information. The learned knowledge JINING abstract is intuitive, based near to far or much of the past, of little or of much smaller for large, technology-based virtual reality as real or as true, for mobilizing the enthusiasm of students, development students think, to improve the efficiency of the classroom played a positive role in promoting.

1, reduced use of computer-assisted teaching of thinking slope, breaking teaching difficult.

Teaching is teaching is not easy to understand and difficult places, is teaching a “stumbling block”, such as a bad solution will directly affect the students understand and master new knowledge. Select the appropriate method of teaching breakthrough teaching difficult, and it was teaching, a large area of important aspects of improving teaching quality. Students learn book knowledge, perceptual knowledge in general from the beginning, then the transition from perceptual knowledge to rational knowledge. Students grasp the characteristics of the cognitive rules, we can use the computer on purpose to make presentations to students, the difficulties of teaching a more intuitive display to the students.

Division’s initial understanding of mathematics in a primary focus of the content, and to understand the significance of the division is one of the difficulties, in order to better stimulate students interest in learning, teaching difficult break, I used a computer-assisted instruction. Appeared on the big screen two students A and B of the head, and beneath them, 12 pencils, the students saw their classmates appeared on the big screen, immediately generated interest in learning, is rushing to find ways for them , to talk about how the 12 pencil “average” to the two men, and can be structured narrative points of the process, sub-finished, I then asked: “put 12 to 2 pencil average students, that is, to 12 were divided into several? each student received six pencils, every minute is a few? “This is a natural way to” average “the concept of the significance of migration to the division of coming to learn the abstract meaning of lower division difficult.

2, using computer-assisted instruction, teaching to increase the density.

I think that teaching the density refers to the process of teaching in the classroom Teaching degree of close contact, and the number of students access to information. To enable students to acquire more knowledge, for more information, more training, “teaching to increase density” is the 重要 measures to meet these requirements one of its computer also won Zhao its “automatic, high speed, precise “natural features into” increasing the density of teaching, “an important carrier of this task.

In summary, rational use of computer optimization of classroom teaching, can stimulate students interest in learning, active classroom atmosphere, reducing the difficulty of thinking, to increase the density of teaching, the thinking ability of students to make students more involved in teaching activities, improve teaching efficiency.

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1, the use excellent imported attract students.

A wonderful opening can quickly attracting students to the classroom to enable students in a state of unconsciousness quickly into the role, and then feel the pleasure of the United States, the United States to capture knowledge.

Calculation problems in terms of teaching students is dull, in order to arouse students interest in learning elementary school mathematics Volume II double-digit increase at double-digit binary addition, I use the analog way to shop, inviting students to with me to the supermarket. Reproduce on my computer screen and students to the real supermarket shopping scene, and timely presented to the students the relevant mathematical problems, such as: I bought a bottle of shampoo spent 35 yuan, has bought a bag spent 46 yuan , please help me calculate when the salesman how much I have spent a total of dollars? Which two things you want to buy? Calculate how many dollars should be spent? Thus the students immediately had the desire to learn. With a good start, following a number of learning becomes easier.

2, set a good teaching environment for students to go into the classroom teaching.

Appropriate scene setting can be an active classroom atmosphere, students quickly into the role, while students with immersive feeling, the understanding of knowledge will become faster and easier. Therefore, teachers should be based on the content and features of each class to set the appropriate context, the boring things organically into and situations, starting from the scene, the students active.

    Applied Problems of teaching has always been the difficulty of teaching in order to avoid the fear of pupils should set up some scenarios for teaching and loved teaching. For example, in studying the relationship between the whole and the part used to answer applied questions in an integrated practice, I selected the students are very fond of the aquarium as the lesson of the great environment to run through to the aquarium to visit. Activities by watching the screen, students of the relevant mathematical information and thinking through the compilation of information obtained under the title, problem-solving. So that the students in the learning process not only produced a pleasant mood, more importantly, learn in a relaxed environment for knowledge.

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14, by deleting the extra dll files. Operating system directory in the window there are many dll files

These files may be many file-sharing, but some did not not have a file to use it, that these
File is useless, in order not to take up hard disk space and improve the startup speed, can be deleted.

15, “heretical” approach. Such as the use of the system hanging, about to shut off the current system state in the preservation,

The next boot, the system will directly enter the last shutdown before the desktop, this way, the fastest boot time can be achieved
4-5 seconds, but not all of the motherboard bios support, set up is also somewhat cumbersome.
Open the registry, start to hkey_local_machine \ software \ microsoft \ windows \ currentv
ersion \ shareddlls sub-key, there are many in the right dll file, if the data is 0, you can determine the text of the dll
There is no program to share documents, you can delete it.
If done by the above method is still not fast enough computer startup speed, in addition to upgrading the hardware (cpu, memory, hard drive
Etc.), another good way is to reinstall the system, this can significantly speed up computer startup speed

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10, streamlining the *. ini file, especially the contents of system.ini and win.ini.

In the system.ini in the [boot] and [386enh] section add a lot of drivers and font files are removed
Focus. Particular attention is, [boot] shell = explorer.exe field is hidden Trojan horses like the load of
, Trojan horses are often the sentence into this: shell = explorer.exe file.exe, pay attention here file.ex
e is the Trojan server program! With the Trojan then load run not only a threat to system security, the computer starts
Also a lot slower; on win.ini in the “run” and “load” back loaded, not the start to be run every time
Program, you can temporarily remove, so when the subsequent use and click Run. This is called boot windows on the relevant documents
Will reduce the number of, nature will start much faster speed.

11, turn off disk scan.

With a text editor to open msdos.sys, will see the following:
[Options]
bootmulti = 1
bootgui = 1
autoscan = 1
If you do not want to run the disk after abnormal shutdown scanner, can atuoscan = 1 to autoscan = 0, this
Like in the non-normal shutdown the computer will boot faster rate in some (since scandisk is not running Well).

12, to guide the shortest information retention time.
  
With a text editor to open msdos.sys, set [options] in the bootdelay to 0.

13, reduce unnecessary font files.

Font files take up more system resources, slow boot time, and take up a lot of hard disk space. Therefore, to minimize the
Unnecessary font files. However, if the font files to delete the wrong things to make windows not normal. Therefore can be used
The following “perpetrating a fraud” approach (the installation of font files can be achieved without taking up a lot of disk space)
: First of all open font binders (such as f: \ zk), select all the truetype font files, use the right mouse to them
Drag to the c: \ windows \ fonts loose-leaf folder, the pop-up menu, select “Create Shortcut in the current location”
So that the fonts in the system established under the binder shortcut the font file. When you need to use these fonts
File, insert the character as long as the CD, when not out on it.

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6, regular maintenance.

If installed in the system too many games, too many applications, too many old data, make your computing
Machine runs slower and slower, while the boot time longer. Therefore, the best time to time, on the computer to do
A comprehensive maintenance. Click the “Start” → “program” → “Accessories” → “System Tools” → “Maintenance Wizard”
, Then click “OK” button on the computer to conduct a comprehensive maintenance, it would be to keep your computer
In the best condition. The hard disk is best to do every two weeks on a “Disk Defragmenter”, that would significantly speed up
Startup speed, click on “System Tools” → “Disk Defragmenter” can be. Note that in order disk broken
Films where the drive system must be order, so that windows can really speed up the boot sequence.

To expand the virtual memory capacity.

If your hard drive is large enough, then you open the “Control Panel” in the “system”, in “Performance” option
Open the “virtual memory”, select the second item: the user to set their own virtual memory settings, point to a less hard-disk drives
And the maximum and minimum values are set to a fixed value, the size of about 2 times physical memory. Thus, within the virtual
Exist when using the hard drive, do not need to accommodate the suddenly large neglected the small difference, but will be fixed in the space as virtual memory, speed up
Access speed. Best virtual memory setting in the “Disk Defragmenter” after, this is not the virtual memory on sub-
A continuous, non-fragmented file space, you can play better.
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8, remove the “wallpaper”, “Screen Saver” and other fancy settings.
  
These settings do not take up system resources that also seriously affected the windows of the boot sequence. Get rid of them is:
Right click the desktop space, in the pop-up menu, select “Properties” dialog box that pops up, respectively, in the election
Select “background” and “Screen Saver” tab, the “wallpaper” and “Screen Saver” is set to “None” means
Be.

9, delete the autoexec.bat and config.sys.

System is installed under the root directory of the autoexec.bat and config.sys these two files, windows do not need
They had, they can be safe to delete, so you can speed up windows startup speed.

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Second, start the dma mode to enhance hard disk speed

By udma/33, 66,100 technology drives maximum transfer rate is 33mb / s, 66mb / s, 100mb / s, from the management
Theory, is ide hard drive (in this case refers to the pio mode4 mode, the transmission rate is 16.6mb / s) transfer rate of 3
6 times, but the default settings in the windows inside, dma is disabled, so we have to open it.
The specific method is: Open “Control Panel → System → Device Manager” window, expand “Disk drives” sub-
Support, double-click the udma hard drive icon into the “Properties → Settings → Options” in the “dma” key front “√”, then
Press OK to close all dialog boxes, you can restart the computer.

Third, remove the windows boot logo.

First of all you have to open the “Start” → “Settings” → “loose-leaf folder options” from the “View” tab in the “Advanced
Settings “list box check” Show all files. “And then open the c drive, find msdos.sys this document and take
Eliminate its “read only” attribute, open it, in the “option” paragraphs, and with a line statement: logo = 0, so wi
ndows boot design will not be loaded to run, boot time can be reduced 3 seconds.

Fourth, optimizing the “Startup”.

Beginners love to try a variety of computer software, used in turn to remove it before long, but often because of some inexplicable its
Wonderful reasons, the software will reside in the “start” the project (especially in the use of some d Edition software), win
dows startup will do a lot of time wasted. To solve this problem is very simple, you can open ”
Start “→” Run “dialog box that appears” open “field select input” msconfig “, then click
“OK” will bring up “system configuration utility”, click on the “Startup” tab, will not load Kai
Activity Group program in front of the “√” remove on it. In this way, time will start at least 10 seconds.

5, sorting, and optimize registry.

windows in the boot, the system should read the relevant information in the registry and temporary storage in the ram (memory), the
windows boot most of the time, were spent in it. Therefore, sorting, and optimize the registry is very necessary
. Optimize the registry, you can use software such as windows optimization master. To optimize windows master, click on ”
Registration Information clean “→” scan “, the software will automatically clean the registry for you ^ ^, after the scan,
Will pop up a menu lets you choose whether to back up the registry, recommended to choose a backup, backup, and then click the “Clear” button.

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Second, start the dma mode to enhance hard disk speed

By udma/33, 66,100 technology drives maximum transfer rate is 33mb / s, 66mb / s, 100mb / s, from the management
Theory, is ide hard drive (in this case refers to the pio mode4 mode, the transmission rate is 16.6mb / s) transfer rate of 3
6 times, but the default settings in the windows inside, dma is disabled, so we have to open it.
The specific method is: Open “Control Panel → System → Device Manager” window, expand “Disk drives” sub-
Support, double-click the udma hard drive icon into the “Properties → Settings → Options” in the “dma” key front “√”, then
Press OK to close all dialog boxes, you can restart the computer.

Third, remove the windows boot logo.

First of all you have to open the “Start” → “Settings” → “loose-leaf folder options” from the “View” tab in the “Advanced
Settings “list box check” Show all files. “And then open the c drive, find msdos.sys this document and take
Eliminate its “read only” attribute, open it, in the “option” paragraphs, and with a line statement: logo = 0, so wi
ndows boot design will not be loaded to run, boot time can be reduced 3 seconds.

Fourth, optimizing the “Startup”.

Beginners love to try a variety of computer software, used in turn to remove it before long, but often because of some inexplicable its
Wonderful reasons, the software will reside in the “start” the project (especially in the use of some d Edition software), win
dows startup will do a lot of time wasted. To solve this problem is very simple, you can open ”
Start “→” Run “dialog box that appears” open “field select input” msconfig “, then click
“OK” will bring up “system configuration utility”, click on the “Startup” tab, will not load Kai
Activity Group program in front of the “√” remove on it. In this way, time will start at least 10 seconds.

5, sorting, and optimize registry.

windows in the boot, the system should read the relevant information in the registry and temporary storage in the ram (memory), the
windows boot most of the time, were spent in it. Therefore, sorting, and optimize the registry is very necessary
. Optimize the registry, you can use software such as windows optimization master. To optimize windows master, click on ”
Registration Information clean “→” scan “, the software will automatically clean the registry for you ^ ^, after the scan,
Will pop up a menu lets you choose whether to back up the registry, recommended to choose a backup, backup, and then click the “Clear” button.

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Computer optimization settings ~~ 2007-03-03 19:15:11) reproduced

Start the computer is too slow a common heart disease each computer fans, let the computer boot faster and is the common aspiration of all
, I summed up the process of using computers to speed up the speed of the computer starts “15 style”, to share with you.
1, bios optimization settings
In the bios setup page we enter the “advanced bios features” option, move the cursor to “fris
t boot device “option, press the” pageup “and” pagedown “to choose, the default value is” floppy “,
This means that the system will start boot floppy boot information is read, this would lengthen the machine’s start-up time, the shortening of the soft
Drive life. So we have to choose “hdd-0″ directly from the hard disk, so start a few seconds on the fast Shang Hao. In addition,
For bios settings “above 1mbmemorytest” the proposed election “disabled”, for “quickpowero
nselftest “proposed options enabled.
In the “advanced chipset features” item in the set of the machine’s acceleration effect is very large, please keep
Added note. The “bank 0 / 1 dram timing” from “8ns/10ns” to “fast” or “turbo”. “T
urbo “than” fast “speed, but not very stable, the proposed election of” fast “. If the memory is of good quality can select” turb
o “Try, instability can be changed back to” fast “.
Good memory for memory quality and proposed “sdram cas latency” option set to “2″, so
Oh, you can speed up.
Newer motherboards support agp4x, if your graphics card also supports agp4x, then in the “agp-4xmode” Department
To the activation, that is selected as “enabled”, this will be a better ability to play cards, to speed up system boot speed.

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46, turn off System Restore executable file (for Windows XP)

    Delete C: \ Windows \ system32 \ restore \ *.*, is the System Restore saved executable file, remove before you turn off System Restore, and run Services.msc, close the System Restore service, and then delete all restore points;

47, optimal speed of Windows XP pre-extraction

    Run Registry Editor, open:

    [HKEY_LOCAL_MACHINE \ SYSTEM \ Currentcontrolset \ control \ Session Manager \ MemoryManagement \ PrefetchParameters], to find called “EnablePrefetcher” the “DWORD” value. This value indicates pre-extraction function operating mode that allows setting values include: 0 to disable; a pre-extraction for the application started, just need to start pre-extraction applications; 2 to start the pre-extraction system, only the corresponding pre-extraction system documents; 3 for all the pre-extraction, which includes application and system files.

48, to delete when you first start the wizard and activate the program (for Windows XP)

    Delete C: \ Windows \ system32 \ oobe \ *.*, are kept with the installed XP for the first time you log wizard, there are a number of Windows XP product activation process, if you do not need to use the XP activation Enterprise , it can empty the folder (which is empty and not delete the folder); and if your Windows XP is a retail version or OEM version, it is best not to touch it;

49, delete the system assistant cartoon character (for Windows XP)

    Delete C: \ Windows \ msagent \ *.*, where all the files saved Agent, where Agent Jiugen Microsoft Office applications, like Office Assistant, is a cartoon image of some dynamic, often we see these things So you can delete;

50, close the ZIP file functions (for Windows XP)

    Do you think that Windows XP functionality in the ZIP folder is too slow, functional nor attractive? If so, you can open the “Start → Run” in the pop-up dialog box, enter: “regsvr32 / u zipfldr.dll”, Enter ZIP folder you can close after the function;

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37, set the MSDOS.SYS (for Windows 98)

    Use Notepad to open C: \ msdos.sys, add the following value:

    LOGO = 0 (start without loading the boot image)

    AUTOSCAN = 0 (against disk scanning)

    BOOTDELAY = 0 (shorter residence time of lead information)

    Also you can delete this file, and another file AUTOEXEC.BAT;

38, optimization of CMOS

    Can be set to boot the computer does not detect unused IDE channel, USB devices and memory, the CMOS in the CACHE are open; will start set hard disk, floppy disk drive does not search can start with a password restricted area;

39, set the IE browser

    Open the IE browser, click on “Tools” menu bar, pop-up “Internet Options” dialog box, set the default home page, clear history, delete all offline files, and select the “Advanced – browse”, remove “in the address column shows ‘Go’ button “in front” √ “;

40, set the Explorer and the standard browser buttons

    Right-click on the “Standard Buttons” blank space in the pop-up menu, select “Custom”, the pop-up “Customize Toolbar” dialog box, on the current toolbar buttons to set the button to remove a number of less than;

41, streamlining the System.ini and Win.ini files

    Were open C: \ winnt \ system.ini, and C: \ winnt \ win.ini, thereafter its streamline, delete unnecessary font files, as well as projects to reduce load at startup.

42, to speed up the menu pop-up speed

    On the desktop, right click and select “Properties”, then pop-up “Display Properties” window, and then in the “effects” tab of “animated menus and tooltips” right with the “fades” to “rolling effect “; Later run the registry, modify the following key:

    HKEY_CURRENT_USER \ ControlPannel \ Desktop \ MenuShowDelay = 0 (or 4000) (the range is 0-100000);

43, disable unnecessary services

    Open “Control Panel – Administrative Tools – Services” in the right window, showing all the services the system, according to the computer needs less than we can ban some of the services, if not connect to the network, you can remove Yu Internet-related services, if you do not install the printer, you can remove the print service, etc.;

44, set the system to automatically log on

    Run the registry, set the following keys (all string values):

    HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon \ AutoAdminLogon = 1;

    HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon \ DefaultUserName = automatic login user name;

    HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion \ Winlogon \ DefaultPassword = user name that corresponds to the password;

45, delete the search agent (for Windows XP)

    Delete C: \ Windows \ srchasst \ *.*, this folder to save the Windows XP’s search agent, which appears when you search for what other people puppy Huozhe shape, so that you will be using Windows 2000 mode of the classic search mode , rather than XP did ask you to search for photos or music;

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