Javascript disabled.
This site is based on the principles of web design principles, the site's main content is divided into four blocks:
1. Upper function block,
2. Left navigation block,
3. Central content block,
4. Right related link block.

The quickkey [Accesskey] of this website is set as follows:

•Alt+U:Top functional blocks, including profiles, privacy policy, site navigation, FAQs, comments mailbox, home page, and so on.
•Alt+L:The left navigation block is the main menu area for this site.
•Alt+C:Central content block, the main content area on this page.
•Alt+R:The right associated link block, for the promotional video, the relevant link area, winning lesson plans.
•Alt+S:Sebsite search.

※ When the project item tab can not click on the mouse, you can use the following keyboard operation to browse the data

•← → or ↑↓:Press the up or down key or the up and down keys to move the label order.
•Home or End→:You can jump directly to the first or last item of the label.
•Tab:stay in the label, you can use the Tab key to jump to the content to browse the information, encounter the radio button with the ← → or ↑ ↓ key to move the project order.
•Tab + Shift:Press Tab + Shift to jump back to the previous item; you can continue to use the ← → or ↑ ↓ keys to move the tag sequence when you jump back to the label item.