D. The orange and blue-striped angle fish

3.When the author saw two____, he felt scared to death.

A. Anemone fish B. parrot fish C. sea-slugs D. sharks

4.How many kinds of creatures didn't the author want to get too close to according to the fourth paragraph?

A. Two B. three C. four D. five.

5. From the passage we k now th e author felt that______.

A. He was a tiny spot compared with the whole world.

B. The ocean was a tiny spot compared with the whole world.

C. There was no danger in th e sea except sharks.

D. All kinds of fish were waiting for something for food.

Step 3 Language points

1.The first thing I became aware of was all the vivid colors surrounding me ...• Aware of 意识到， 知道， 明白

• Nerves make people aware of what their bodies are feeling

• Be aware that

• Everyone was aware that they didn't get along well with each other

• Are you aware that it is getting windy outside .

2. Upside down 倒悬

• Inside out

• You'd better turn the bottle upside down to empty out the oil

• Why ? Look at Jim, his jacket is inside out

The water was quite s hallow but where the reef ended, there was a sharp drop to the sandy ocean

3.A sharp drop 陡直向下的坡

• Sharp 锐利的， 锋利的， 明显的， 强烈的， 刺耳的， 急剧的， 精明的， 敏捷的

• I think I need a sharp pencil

• She has got a sharp mind and a sharp tongue

• The photograph isn't quite sharp enough

• there is a sharp bend in the road

• Lemons have a sharp taste