12. What does he/she intend to do when a teacher writes the following sentences“She gets up early. She wears a uniform. She works very hard on the b lackboard at the presentat ion stage?
Pract ice sentence patterns using mode sentences.
Check if students can pronounce thesentences correctly.
Monitor whether students can accurately express their ideas.
Draw students’attent ionto the form of a new anguage item.
本题考查呈现演示。题干中教师给出的句子中，用下划线标出了句子中的第三人称单数形式，为的是引起学生关注第三人称单数形式的新知识点。故本题选D。