[典例1] (2019·全国卷Ⅲ)
·__37__ Questions about subject content are generally welcomed.Before asking questions about the course design, read the syllabus (教学大纲) and learning management system information to be sure the answer isn’t hiding in plain sight.
A．That’s what they are for.
B．Turn to an online instructor for help.
C．If more information is needed, they will ask.
D．Remember that online professors get a lot of emails.
E．Below are some common do’s and don’ts for online learners.
F．Everyone has taken a notsogreat class at one time or another.
G．Ask questions, but make sure they are good, thoughtful questions.
分析：本题考查段落主题句。本段主要介绍了应该提问什么样的问题，所提的问题要确保答案不能显而易见。本段内容围绕“questions”展开，故G项“提问题，并且要确保所提问题是经过深思熟虑的好问题”，符合语境。故选G。
