In 1882, Wilhelm Vietor published a pamphlet entitled Language Teaching Must Start Afresh! and a movement of reform started all of a sudden. The principles of the movement were the primacy of ______, the centrality of the connected text as the kernel of the teaching-learning process, and the absolute priority of an oral methodology in the classroom.

急性Q波型心肌梗死时，反映心肌损伤的心电图改变是（）

A.T波倒置

B.R波振幅降低

C.ST段水平型压低

D.ST段弓背型抬高

E.病理性Q波或QS波