問題詳情
三、如圖所示，一重 w，長 l 之均勻桿，兩端點 A、B 受到支撐，假設接觸點 A、B 之靜摩擦係數為µ，試求桿不致滑動之情況下最大的θ 角為何？桿厚不計。（25 分）
參考答案
答案：C
難度：簡單0.87354
統計：A(65),B(49),C(1271),D(70),E(0)
內容推薦
- 請先判斷「五『町』╱『叮』噹╱『汀』州」中『』內三字的讀音為相同、完全不同或二同一異，而後選出與此發音關係相同的選項是：(A)「靦」腆害羞╱「靦」顏借命╱耽「湎」沉溺(B)弔民洛「汭」／蛇虺蚊「
- 【題組】Amy could speak very good English if she were more____ in her use of idioms and verb tenses.(A
- 【題組】The majority of people disapproved of the new law in the referendum;____ , most people didn’t
- 某波源靜止時所發出的聲波波長為λ0；向東做等速度運動時，在其前方測得的波長為λ，則後方之波長為：(A)λ－λ0 (B) 2λ－λ0 (C) 2λ0－λ (D) λ＋λ0(E) 2λ0＋λ 。
- (二)利用氯氨及自由餘氯消毒的優缺點。（10分）
- 【題組】(2)HBr【45】
- 【題組】Both David and Tina scored high on the English exam. They got a score of 99 and a perfect scor
- 【題組】The conservation of energy is of great ____ to all human beings on earth.(A) acquisition(B) s
- 一管子如兩端開口，發現可發出 840 赫的頻率（不一定為基音頻率）。今如將其一端封閉，發現可發出 210 赫的頻率，設管中聲速為 336 公尺/秒，試問此管最短須若干才能滿足上述條件？(A)0.
- 五、㈠寫出加氯消毒影響加氯量的因素？並說明原因？（ 10分)
內容推薦
- 【題組】The whole concept is too ______ to understand. Could you please explain it again by giving so
- 已知甲、乙、丙、丁四種陽離子分別和 a、b、c、d 四種陰離子所形成的化合物，在水中是否沉澱的結果如右表所示，表中“ˇ”代表陰、陽兩離子所形成的化合物在水中易形成沉澱，“×”代表所形成的化合物
- 【題組】 (2)此溶液的 pH 值為 【40】 。(log2＝0.3)
- 【題組】The computer ____ one of the greatest inventions in human history.(A) is considered as(B) is
- 【題組】With a good command of both Chinese and English, Miss Lin was ____ the task of oral interpret
- 【題組】The____ between a hero and a coward is that the latter always avoids his or her responsibiliti
- 二、綜合測驗：40%（每題2分）請逐題依前後文意選出一個正確或最適當的答案。第21至23題為題組 Louis Armstrong 21 as one of the fathers of jazz. T
- 【題組】Joan of Arc was a national ____ because she saved France from the English in the Hundred Year
- 【題組】It is relatively easy to____ one’s mother tongue. A second language, however, is another story
- 【題組】(A) In addition to play(B) In addition playing(C) In addition play (D) In addition to playing
- 【題組】The sorrowful and dark images created in the novel____ the novelist’s struggles and despair i
- 【題組】(A) boarders(B) borders(C) boasters(D) boosters
- 第24至28題為題組 General Douglas MacArthur was an outstanding general, whose achievements made him a house
- 【題組】(A) became(B) has become(C) had become(D) would have become
- 【題組】(A) which(B) , which(C) where(D) , where
- 【題組】(A) in; by(B) on; by(C) in; in (D) on; in
- 【題組】(A) battling; making(B) battled; making(C) battling; made(D) battled; made
- 第35至40題為題組 Customs and traditions seem to play an important role when it comes to names. 35 some th
- 【題組】(A) had named after; the other (B) had been named after; another(C) had named after; another
- 【題組】(A) pass on(B) not pass on(C) passing on (D) not passing on
- 【題組】(A) addressed; but(B) addressing; also(C) addressing; but(D) addressed; also
- 四、篇章結構︰10%（每題2分）下文中有五個空格，請依文意在文章後所提供的 (A) 到 (AB) 選項中分別選出最適當者填入，使篇章結構清晰有條理。第61至65題為題組 For thousands o
- 【題組】(A) indicate(B) indicated(C) indicating(D) to indicating
- 第29至34題為題組 The earliest humans did not know how to count with numbers, and it 29 them thousands of y
- 【題組】(A) speaking-Spanish(B) Spanish-speaking(C) spoken-Spanish(D) Spanish-spoken