All about icebergs
What are icebergs? Big
pieces of ice
with different shapes.
What are their sizes? • Some can be as big as
a building
.
• Some can be bigger than a city.
What are they made of?
Fresh water
.
How do they form? Large chunks of ice
break off
from glaciers or ice shelves.
Why are they important? • They provide resting places for seals and seabirds.
• They are used by polar bears for
hunting
.
• They help keep the
environment
healthy.
答案：【解析】：这是一道英语阅读理解填空题，主要考查学生对于对话内容的理解和信息提取能力。学生需要仔细阅读主持人和专家关于冰山的对话，然后根据对话内容完成表格中的空白处。这种方法要求学生具备良好的阅读理解能力，能够从对话中准确找到关键信息。
【答案】：
(1) pieces of ice
(2) a building
(3) Fresh water
(4) break off
(5) hunting
(6) environment
