After understanding the theory of the system, combining the teaching and learning need of C program design, we devise and develop the learning support system for C programming language.

在对系统的理论基础有了一定的理解和认识之后，本论文结合《C语言程序设计》课程的教学和学习需要，设计和开发了C语言程序设计学习支持系统。

youdao

B. They have a clear purpose in learning a foreign language. C. They can monitor their own learning. D. They can concentrate for a long time in class.

他们在语言学习中没有明确的目的，无法掌控自己的学习，而且注意力也容易不集中。

youdao