42Which of the following is NOT mentioned by NASA as the requirements for a successful interstellar spaceship program?
(A) lighter and more efficient fuel
(B) extremely fast engines capable of maximum attainable speeds
(C) new computers to enhance the flying speed and internal systems
(D) new technology to power the internal system

38______ you wish to cancel the airplane ticket one month before its flight, please submit your application form with the ticket and receipt to customer service. (A) Could (B) Might (C) Would (D) Should

39The word staple in the passage is closer in meaning to ______. (A) a main focus (B) a proved finding (C) a striking event (D) an innovative tool

40According to paragraph 2, a lighter or massless fuels have to be created because ______. (A) the weight and space requirement of current fuel technology are too cumbersome (B) they have to keep the spaceships smaller (C) spaceships cost too much to add the mass and the space of heavy fuels (D) the current fuel technology is one of the effective ways to make a long interstellar journey possible

41Which of the following statements about the passage is true? (A) The purpose of using a new propulsion method is to reduce the cost of space travel. (B) The current spaceship’s computer is defective. (C) Scientists have successfully replaced the propellers on aircrafts with jet engines. (D) Currently, the research team at NASA is trying to find a solution to keep the spaceships balanced.

43班上30位學童的數學成績由低到高分為低分組、中分組、高分組各10人。若全班平均72分、低分組平均55分、高分組平均85分，則中分組平均成績是幾分？ (A)70 (B)72 (C)74 (D)76

重新載圖44熊讚玩七巧板拼圖，如果全部面積是1，熊讚用哪幾塊拼出的面積是3/4 ？ (A)a＋b＋d＋f (B)a＋b＋d＋e＋g (C)a＋d＋e＋f＋g (D)a＋b＋c＋e＋f＋g

45二次函數ƒ(x) =X2-12x-28 ，y＝ƒ(x) 之圖形的頂點至x軸的距離為何？ (A)8 (B)34 (C)64 (D)72

46已知實係數方程式x^3+ax^2+bx+64=0的三根相同，問b的值為何？ (A)4 (B)12 (C)48 (D)64

47坐標平面上直線"4x+3y＝12" 交x軸於A點，交y軸於B點。若O為原點，I為△AOB之內心，則△AIO的面積為何？ (A) 1(B) 3/2(C) 2(D) 5/2

48一副不完整的撲克牌，有5張黑桃、4張紅心、7張方塊、5張梅花，問熊讚至少要翻幾張才能確保一定翻到5張同 花色的牌？ (A)9 (B)15 (C)17 (D)19