参观时要认真听，仔细看并记下有趣的东西。

We should listen and watch carefully and write down something interesting when you visit the museum.

youdao

上课要认真听老师讲课，对课堂重点要进行自己总结。

Listen to the teacher carefully when in classes and sum up with the important knowleges.

youdao

有人在读书时，其余同学要认真听并且如果他有错误要试着指出来。

When someone is reading, the rest of the class should all listen carefully and try to point out his mistakes, If there is any.

youdao

And you want to show that you're listening well.

你想要表现出你正认真听着。

It sounds like 课堂 - SpeakingMax英语口语达人