The Thesis Statement
在这项活动上至少花费7 分钟
将活动进行到底
Important Message
Once you click "Start Lecture", you must view all of the lecture. You cannot skip any parts. You must listen to the audio and / or view the video for the indicated length. You may not continue further in the course if you try to skip them.
Please pay attention to the lesson progression buttons, click on them to continue to the next part of the lesson.