問題詳情
4. 某電路連結如圖所示，其中電池的電壓為，且電池內電阻為0，若將電阻R2增大，則下列哪一個選項是流過RR2和R3的電流變化情形： 
參考答案
答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
內容推薦
- VI. Reading Comprehension (5%)(A)EmilyDickinson, one of the greatest poets in the English language,
- V. Cloze ( 15%)每題 1 分(1) Dr. Frankenstein created a monster. The creature, unfortunately, wasn’t the
- (2) Mickey Mouse has a potbelly and a squeaky voice. His arms and legs are ___56___ sticks. He has n
- 【題組】(A) Both . . . and (B) Not only . . . but also(C) Either . . . or (D) Neither . . . nor
- Dr. Lee is in d______r because of the sudden death of his wife and son in the air crash.
- 【題組】(A) helplessly and hopelessly (B) painfully and sorrowfully(C) sick and tired (D) cold and s
- 【題組】(A) clichéd (B) comical(C) natural (D) promising
- Many colleges offer f______l aid to students who cannot afford the tuition.
- 【題組】(A) Otherwise (B) As a result (C) In addition (D) Therefore
- 【題組】(A) fall in love with (B) lose sight of (C) call for(D) head for
內容推薦
- 【題組】Which of the following is closest in meaning to “secluded”?(A) successful (B) alone (C) lege
- 【題組】(A) when (B) that (C) who (D) what
- 【題組】(A) wander (B) wandering (C) wandered (D) to wander
- Don't just c___e. We need some constructive and practical suggestions.
- 【題組】Which of the following is NOT true about Emily Dickinson?(A) Fewer than a dozen of her poems
- 【題組】(A) how (B) which (C) why (D) where
- 設某石階，每階高 20cm，寬 30cm，一石子自頂階邊緣被以 5m/s的水平初速踢出，則自被踢出至抵達某低階歷時約（重力加速度 g＝10m/s2） (A) 0.28(B) 0.35 (C) 0.
- Even though the writer insists that the plot of this book is i____y, the readers believe it is s
- As a boy, you look r____s in the funny-looking dress.
- (3) Shel Silverstein is famous for his magical power to bring laughs and joys to his readers.61 , be
- A person’s external a___e is not so important as his or her internal characteristics. After all,
- 【題組】(A) in revenge for (B) took revenge on (C) obsessed with (D) obsessing by
- It was e_____sing to see the two foreigners dress nothing and run into the convenience store.
- 【題組】(A) but (B) that (C) who (D) which
- It is i___e that the little boy can memorize all the telephone numbers of his classmates and fri
- The cause of the total e____n of dinosaurs still remains a mystery.
- It is too cruel to a___n one’s pets when they are old and dying. How can owners leave their help
- Because so many young couples cannot afford the tuition for the children, the birth rate in Taiw
- To complete the difficult task, all students must work in h____y instead of fighting with one an
- 一、請寫出聚對苯二甲酸乙二酯（polyethylene terephthalate, PET）的化學結構並說明其具有良好的彈性（flexibility）。（10 分）
- II. Translation (15%) 每格兩字(含)以上，請翻黑體字即可。每題2分許多飼主不忍讓寵物安樂死。Many owners can’t __84__ to euthanize（安樂死，v
- 在某處以長度 的細線懸吊質量為 m 的小球，若測量其小角度擺動週期為T，則某處的重力加速度大小為何？
- 0關於一球形實心帶電金屬導體，下列敘述那一個是對的？(A)金屬導體內電位為零 (B)電荷均勻分布在球形金屬導體中 (C)金屬導體內電場為零 (D)金屬導體之內部電位較表面為低 (E)金屬導體內自由
- 在熔製玻璃的過程中，其內部有時會混入一些小氣泡，今測得某種玻璃成品的密度為0g/cm3。已知該種玻璃不含氣泡時的密度為5g/cm3，試計算該玻璃成品內所含的氣泡體積，占全部體積的百分比值
- ※題組：附圖是自然界的氮循環模式圖，圖中的字母A、B、C表示生物；甲、乙、丙、丁、戊、己為作用，試以此圖回答下列問題：（此題組皆為多選，每題2分，38-40題）【題組】下列關於A、B、C三種生物