(13). sin²x =(1 + cos2x)
(A)O
(B)X

39. Which of the following is an advantage of using multiple steps in electron transport? (A) By using several steps, the net △G is higher (more energy is released). (B) More heat can be generated by using small steps. (C) More energy can be captured to synthesize ATP by using small steps. (D) Small steps allow for both more heat generation and more ATP synthesis. (E) All of these statements are advantages of using multiple steps.

40. The reactions during the light phase of photosynthesis include the following:  1. Light absorption in photosystem I   2. Light absorption in photosystem II  3. Formation of O2 from water   4. Formation of NADPH   5. Formation of ATP The order of the reactions is as follows: (A)1→2→5→3→4 (B)2→3→5→4→1 (C)3→2→5→1→4(D)3→1→5→2→4(E)3→2→1→4→5

(11).(A)O(B)X

(12). If f'(c) = 0 or fail to exist then f(c) is a relative extrema.(A)O(B)X

(14).sin(-x)=sinx(A)O(B)X

(15) is convergent.(A)O(B)X

1.設a、b為實數且a≠0。若函數f(x)=ax2+b 的圖形有最低點且與y軸的交點為(0,–4)，則(a,b)落在第幾象限？ (A)一 (B)二 (C)三 (D)四

2.=？ (A)1 (B)2 (C)3 (D)4

3.已知△ABC中，=4，=7。若secA=56，則=？ (A)8 (B)9 (C)10 (D)11

4.若與向量(3,7)平行，則下列哪一個向量與垂直？ (A)(7,–3) (B)(8,–4) (C)(9,–5) (D)(10,–6)