教员可通过以下哪一种措施来最大限度地激励学生参与？ Which of the following method can mo

教员可通过以下哪一种措施来最大限度地激励学生参与？ Which of the following method can motivate student's enthusiasm most?

A.提问 questioning

B.使用直观教具 using teaching aid

C.消极动机 negative motivation

正确答案是A