?Dolphins at daybreak

一、reading log

Chapter 1?Master Librarians ????Morgan asked Jack and Annie to help. Chapter 2?The Reef ????They went into mini-sub, it silp off the reef and drove into deep. Chapter 3?Mini-Sub ????They drove mini-sub to see sea low world. Chapter 4?Fish City ????They meet two dolphins, dolphins are answer to the riddle. Chapter 5?Two Eyes ????They read the ship's log, then the sub?rise slowly. Chapter 6?C-R-A-C-K ????The octopus went away because the shark came Chapter 7?Remain Calm ????They calmly slipped out of the mini-sub. Chapter 8?Swim for Your Life! ????Dolphins come to help them get to the tree house. Chapter 9?Ouch! ?????They solved the first riddle, The answer was oysters. Then?They arrived the tree house. Chapter 10?The True Pearl ?????On their way home, They talk about what happened before. 二、key words

1.riddle /?r?dl/ n.謎語(yǔ) The first riddle is waiting on this ancient riddle. 2.octopus /??kt?p?s/ n.章魚(yú) The octopus hugged the mini-sub. 3.suckers /?s?k?z/ n.（動(dòng)物的）吸盤(pán) The suckers stuck to the window. 4.oyster /???st?(r)/ n.牡蠣 She gently put the oystee back in the water. 5.pearl /p??l/ n.珍珠 I guess they were the true pearl in the oyster.