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• 6.小柯證明『若 a 是奇數，則 a2 也是奇數』的證明步驟如下：  步驟一：因為 a 是奇數，設 a＝2n＋1，n 是整數。  步驟二：所以 a2＝（2n＋1）2＝（2n）2＋12  步驟三：化簡
• 7.如右圖，△ABC 為正三角形，D 點、E 點與 F 點分別為 與 的中點，則△DEF 內切圓半徑：△ABC 外接圓半徑的比值為何?  (A) (B) (C) (D)
• 8. 已知 a 是正整數，A＝（3a＋2）2＋5（3a＋2）＋4，則 A 必是下列何者的倍數？(A)5 (B)7 (C)8 (D)9。
• 9. 如下圖，鋪色區域 A1、A2、A3、A4 為兩個相同的正方形之重疊部分，其中 O 為正方形兩對角線之交點， 則下列敘述何者正確？  (A) A1＝A4 (B) A1＞A2 (C)A3＞A4 (D
• 10. ｢尼莫點｣(Nemo Point)是指在地球上的海洋中，距離陸地最遠的地方；它位於太平洋中間某個三個島嶼的中間，離陸地約 2685 公里的位置。已知在某平面座標上，有三個島嶼 A(2,16)、
• 2. _________ in the hot spring _________ me very happy.(A)Soak； made (B) Soaking； made(C)Soak； let (
• 3. Dad often _________ me to sort the trash before I take it out.(A)has (B) made (C) tells (D) asked
• 4. Young kids can’t stay at home by _________. It’s dangerous.(A)himself (B) herself (C) yourselves
• 5. The bus station is usually _________ from 5 to 7 p.m., soyou’d better get there _________.(A)busy
• 6. In Nancy’s dream, she heard someone _________”you will be the next one”. She felt scared.(A)sayin
• 7. A: Look! John is taking a walk with a cute girl.B: She _________ be his girl friend, Lilian.(A)sh
• 8. Amy played the piano _________ than all the other players in the contest. No wonder she got first
• 9. People _________ in the museum.(A)mustn’t be quiet (B) must touch the paintings(畫)(C) shouldn’t t
• 10. Of all the students in this class, John studies _________.(A)very hard (B) harder (C) the most h
• 11. Because Patty was late for school, the teacher made her _________ the floor.(A) mop (B) mopped (
• 12. A: _________ are we going to run for the race?B: About three miles.(A)How often (B) How long (C)
• 13. Mike jumps _________ but swims _________ than Ted.(A)farther； worse (B) far； badly(C) higher； fa
• 【題組】2. (A) make (B) hope (C) help (D) call
• 【題組】3. (A) I don’t agree with you. (B) You got it.(C)Sounds great. (D) Wait a second.
• 【題組】4. (A) I enjoy myself a lot (B) take care of the camera(C)keep your word (D) keep this in mind
• 【題組】6. What can we learn from the story?(A) The elephants don’t want to run away.(B) The big elephan
• 【題組】7. What does the story try to tell us?(A) If you fail, just get up again.(B) Winning isn’t every
• 【題組】9. Which of the bad things about fast fashion is NOT talked about?(A)Clothes may become trash.(B
• 【題組】10. What do we learn about the four students in the talk?(A)Albert and David both like to dress
• 2.很多個相同的數相加時，哪一種算法最簡便？　(A)加法　(B)減法　(C)乘法　(D)除法