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【段考】高一數學上學期

【段考】高一數學下學期

【段考】高一地理上學期

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20. A uniform plate of mass M is placed on two fast-rotating identical wheels of radius r. The coefficients of kinetic friction between the plate and both wheels are μ, the distance between the centers of the two wheels is , the wheel on the right (left) rotates counterclockwise (clockwise) with angular speed ω (see Fig. 5), and the gravitational acceleration is denoted g. If the mass center of the plate is displaced by d from the center of the two wheels, what is the frequency the plate oscillates with? (Assuming the plate is so heavy that it always stays on the wheels.)(A) ω (B) (C) (D)

19. As shown in Fig. 4, an m1 = 1.0 kg block is placed on top of an m2 = 8.0 kg block, which lies on a frictionless surface. The coefficient of kinetic friction between the two blocks is 0.20; they are connected via a pulley and a string. A hanging block of mass m3 = 6.0 kg is connected to the mass m2 block via another pulley and string. Both strings are massless and the pulleys are frictionless. What is the acceleration magnitude of the blocks? (Gravitational acceleration g =9.8 m/s²) m1 m2 M3 Figure 4. A system composed of three blocks, strings, and pulleys. (A) 3.7 m/s² (B) 2.7 m/s² (C) 9.7 m/s2 (D) 8.0 m/s²

18. The effective resistance from a to b in Fig.3 is 4.0 2.What is the resistance of individual resistors in the circuit? (The resistances of all the individual resistors are the same.) (A) 4.02(B)2.0 Ω (C) 8.0 Ω (D) 0.8 2

(b) Use curved arrows to describe the detailed mechanism of these two steps. (8 points)

(a) Please draw two key resonance structures of diazomethane. (8 points)

2.Electrophilic aromatic substitution reactions of pyridine normally occur at C3. Draw the carbocation intermediates resulting from reaction of an electrophile at C2, C3, and C4, and explain the observed result. (14 points)

【警鴿】2025憲法考點統整(下)

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國二數學上數學課程（八年級）

講師：台中大雅家教-睿智數學及英文家教，王瑞志老師

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【警鴿】刑事訴訟法(上)

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1

描述：1

國中重要英文單字

描述：非常重要

雅思超高頻必考單字

課程：雅思Ielts單字課
章節：雅思超高頻必考108單字

描述：1.講義位置：在最上方頁籤數過來，右邊第2個頁籤！2.1張免費視訊卡

5. A ______ is a good for which there is demand, but which is supplied without qualitative differentiation across a market. (A) routine (B) hygiene (C) aspiration (D) commodity

12. The little girl ______ a large sum of money when her father died. (A) came out (B) came over (C) came off (D) came into

複選題1363.依據新修正刑法規定，下列何者不屬於從刑的種類？ (A)抵償 (B)沒收 (C)限制出境 (D)禠奪公權

4. By SMCP, choose one of the following sentences for expressing ”Someone has fallen overboard in position __________ ” (A) “Person has fallen overboard in position__________ ”. (B) “I have lost crewmember in position __________”. (C) “I have lost person overboard in position __________ ”. (D) “Person overboard was lost in position__________ ”.

10 下列何者不屬於營造物之範圍？ (A)臺北市農產運銷公司 (B)國立臺中教育大學 (C)行政院國軍退除役官兵輔導委員會臺南榮民之家 (D)高雄市立殯儀館

33. 表(四)是某一時期臺灣鳳梨罐頭銷售至美國、日本、中國大 陸及西德的官方統計數據。根據表中內容判斷，甲、乙、 丙、丁何者最可能是中國大陸？ (A)甲 (B)乙 (C)丙 (D)丁