To master concept, pathogenesis, pathologic changes and effects to body of infarct .

掌握梗死的概念、 发生机制、 病理变化及对机体的危害。

youdao

To master concept, causes, pathologic changes, and effects to body of hyperemia and congestion.

掌握充血及淤血的概念，原因，病理变化及对机体的影响。

youdao

Providing feedback to students, explaining why their answers were right or wrong, and then allowing students to continue to work on a problem until they have it right and master the concept produces statistically significant gains in student learning.

FORBES: Building Motivation, Instilling Grit: The Necessity of Mastery-Based, Digital Learning