44. In the sentence, “We were passive recipients of knowledge.” What does the boldfaced word “recipients” most likely mean? (A) Receivers. (B) Explorers. (C) Constructors. (D) Distributors.

3. 邊長為 1 單位長之正方形平面單元，未變形前為圖(三)之實線所示，受平面應變後，平面單元之變形如虛線所示，則下列敘述何者是錯誤的？ (A) 應變為：\( \epsilon_x = 300 \times 10^{-6}, \epsilon_y = 100 \times 10^{-6}, \gamma_{xy} = -160 \times 10^{-6} \) (B) 主應變為：328×10−6 及 72 ×10− 6 (C) 最大剪應變為：\(128 \times 10^{-6}\) (D) 應變莫耳圓之圓心在E:(200×10-6},0)