7、求證: 1 1 - sec 0 + tano 1 + seco- tano sec + tan 0-1 seco+ tan 0 + 1

進階 9. 求100 到300的正整數中,所有7的倍數之總和。 答

旦夕於一個選項者, 該題以零分計算。 Such is that 第1 至15. 題為題組 So tady is chat. How to conduct sex education is never easy in schools across the world. America has long debated on how it should be taught. 11. American teachers or educators have diverse opinions on proper methodology of sex education. Guch) is the wide variety that sex education actually includes different degrees of liberality. Some liberal groups adopt a rather open-minded approach. Some conservatives have a reserved attitude, many of believe teens should have no exposure to sex activities until marriage. Whereas America employs an optional curriculum, European countries consider it a part of the school curriculum. In France, students need to attend a sex-related course for at least 30 to 40 hours while Germany legalizes the act to enforce sex education. What's more, the Dutch have a lower rate of teenage pregnancy than of the rest of the world owing to 13. 14. 15. its information program on birth control devices. 11. (A) For one thing (B) After all (B) It D A $ 12. (A) Such (D) In other words (C) To begin with (C) So (D) As

A 6 B 17 10. 如圖,梯形ABCD中,AB // DC, AE、BF 分別是 梯形ABCD 的。若AB=6,BC=17, CD=27, DA=10,求:(1) AE的長。 (2)梯形ABCD的面積。 fr------ D. -27

IONE 10. 設一等差級數的和為-700,首項為3,公差為-4,求此級數的項數。 答

6. 有一屋頂形狀如上圖六所示,其中ABY EF,則ZB+ ZC+ ZD+ ZE= 度。 三、計算題:(共20 分)

三、計算題:(共20 分) 1. 如右圖,已知L/M,五邊形ABCDE 為正五邊形,則: L 5x B B FE (1)x=?(6分) M M (2) Z1=?(6分) D 解:

YO) L // L3 ' Ly // LH L4 15. 如右圖,AB | CD, BC | DE。若∠AED=96°,∠B=45°,则∠A=? 上, A (A) (A) 51° (B) 52° B-45° E0969 ( (C) 53° (D (D) 54° (B) 6. 如右圖,已知M/IN,且L為M、N的截線。若∠1= Z2, Z3 = Z4,∠2+∠3=86°, L 則Z4=?

Li ( 07. 如右圖,L. || L,则∠1=? (A) 60° (B) 70° 120° 1430° 100°/ -L2 (C) 80° (D) 90° Li L2 M2 M3 18. 如右圖,已知L || L. || L,M | M. || M。若∠1=114°,則Z3-22 =?