针对上述问题，本研究建议:第一，教师要更新教育观念，参与相关主题的教师

In response to these problems, the study recommended: <br>First, teachers should renew educational ideas, participation in teacher training related topics; second, focus on a variety of policy questions <br>abbreviated with the use of effective types of issues raised, and promote students' language output The development of thinking ability; <br>third, it is necessary to reasonably control the waiting time and give diverse feedback to maintain the students' motivation to learn.

In response to these questions, this study recommends:<br>First, teachers should renew their educational concepts and participate in teacher training on related topics;<br>Slightly combined with the use, effectively raise various types of questions, promote the development of students' language output and thinking ability;<br>Third, we should reasonably control the waiting time and give a variety of feedback to maintain the students' motivation to learn.

In view of the above problems, this study suggests that:<br>First, teachers should renew their educational concepts and participate in teacher training on related topics; second, they should pay attention to various questioning strategies<br>It can help students to put forward various kinds of questions and improve their language output and thinking ability;<br>Thirdly, we should control the waiting time reasonably and give various feedback to keep students' learning motivation.