24.若中央銀行希望穩定通膨預期，最重要的是： (A)頻繁調整政策 (B)政策具隨機性 (C)政策具高度可信度 (D)採取擴張性立場

3. Which of the following is not determined by the principal quantum number, n, of the electronin a hydrogen atom?(A) the minimum wavelength of the light needed to remove the electron from the atom.(B) the energy of the electron(C) the shape of the corresponding atomic orbital(s)(D) the size of the corresponding atomic orbital(s)(E) All of the above are determined by n.