(ii) 試求函數 f 在原點 x = 0處所衍生的n次泰勒多項式 Pn(x) 及其餘項 Rn+1(x). (6%)

3. Reading activities in the second language (L2) classroom usually follow a general format that includes pre-reading, during-reading, and post-reading stages. Please describe at least one possible activity for each of these stages and explains how they may help develop students' L2 reading skills. (25%)