教学资源，完全免费，无须注册，天天更新！">first，show students the picture above and ask them some questions as a revision：where are they？what are they doing？why do they go snorkelling?next，draw a conclusion and lead into the text：as the sea is a world full of magic，many tourists head to the sea，and the author of this text is one of them.look！the other day，the writer went snorkelling with her friends and experienced a lot.let's take a brief look at sea creatures through her diary.then，take a closer look at the photos she taken and describe them with what you can find in your textbook.pictures in the text in using language give the following information：corals with vivid colors and shapes，elegant fishes，little orange and white fish，small cleaner fish，the yellow and green parrotfish with hard bird－like mouth，yellow－spotted red sea－slug and blue sea－stars and wise－looking turtles，eels with strong sharp teeth，giant clam with thick green lips，grey reef sharks about one and a half meters long，the edge of the reef with a sharp drop to the sandy ocean floorstep 2 fast readingread the passage and put the following topics into the correct order according to the text.
colors and shapes
the reef's edge
a final thought
some sea creatures
3step 3 careful readingtask 1：read and choose the best answers.1．judging from the text，what the author mainly wants to tell us in the diary is ______.a．that the sea is fantastic with vivid colorsb．that the water where she was snorkelling is not deep but shallowc．what she saw and how she felt in the sead．that all the plants in the sea are poisonous2．what was hanging upside down in the sea according to the text?a．the orange and white fish. b．the yellow－spotted red sea－slug.c．the yellow and green parrotfish. d．the blue sea－stars.3．the author was afraid of getting too close to the eel because ______.