Homework3：write how to usage manual to education app in dscloud platform

the dscloud platform is a education web which has many functions for student
and teachers.As as a student,we can find the course that our teacher opens in
the dscloud platform.we can submit our homework and download education resource,such as
ppt that we use in our course.we can also do test conneted to our subject.the follwing are
the usage manual to the app.

1.before we use the dscloud platform,we need to register with our mailbox account
and log in the mailbox to active the new acount that we register.then we can use it.

2.after we login in the dscloud platform,we should find the corresponding course catalogue.
we can create our directory in which we can create domain post to submit our homework.

3.we can find the find the corresponding course catalogue to Download the teacher's
teaching resources.On this platform, we can do online test.