四、某生做了一個寅驗,他取了五杯自來水廠的混濁原水,將其pH値分別調整爲5,5, 6.5,7.5,8. 5及9.5。然後將此五杯水靜置30分鐘後發覺pH7. 5的那杯水最爲澄清, 請詳細說明造成此種結
VII. Vocabulary (15%,每題 1分)65. The drunken driver gave the family of the victim a large sum of money
66. We complained to the police about the noise our neighbor made, and they came to deal with it wit
67. Despite the effort the police made, it seemed that the lost diamond just v______________ed witho
68. Seeing the house bathed in the magnificent sunset, I can ’t help shouting “What an e____________
69. After the quake, a lot of food, clean water and medical i_____________ts were sent to the places