6. 如圖所示為一以兩個稽納二極體(Zener)所組成之限制電路,假設= 4 V,=3 V,且稽納二極體之順向壓降為 0.7 V,則當vi = 10 sin(377t) V時,輸出電壓之峰到峰值= ?
Growing up in Philadelphia, Lieberman started cooking with his stay-at-home dad when he was seven. H
【題組】42. The Food Network got to know Lieberman _______.(A) at one of his parties (B) from his teache
【題組】45. What is the text mainly about?(A) The relationship between accents and social classes.(B) Th
Some people have the feeling that nothing can be done about their poor reading ability(能力). They fee
【題組】47. To improve their reading ability, people should ____.(A) work long and hard (B) take differe
【題組】48. The experiments mentioned in the text show that ____.(A) good readers seem to enjoy reading(
【題組】50. Odiand learned one of his life lessons from ______.(A) his experience as a waiter (B) the ad
【題組】51. According to the text, most CEOs have the same opinion about _______.(A) Fortune 500 compani
Dr. White tried his idea on 13 monkeys. First he taught them to do different jobs, then he op¬erated
【題組】54. The brain operation was made possible mainly by _______.(A) taking the blood out of the brai
【題組】56. What is the right order of the steps in the operation?a. send the cooled blood back to the b
Most people want to know how things are made. They honestly admit, however, that they hard¬ly know a
【題組】59. Most people seem to think that a composer _______ .(A) finds it difficult to write music (B)