A.To explain how natural icebergs are.
B.To show how powerful icebergs are.
C.To describe icebergs as floating ships.
D.To tell the unbelievable size of icebergs.
答案 D
.What can we learn from the passage?
A.The temperature in Arctic is rising faster than that in Antarctica.
B.The ocean food chain breaks due to the melting of icebergs.
C.Floating icebergs help shelter bottom-living ocean creatures.
D.Global warming has kept bringing icebergs into being.
答案 D
.From the passage we can conclude that icebergs can ________.
A.preserve ocean creatures
B.carry ocean nutrients away
C.create a warm polar environment
D.keep sea animals away from polar seas
答案 A
4.What is the author's attitude toward icebergs?
A.Cautious.
B.Objective.
C.Doubtful.
D.Disapproving.
答案 B
, 从给的四个选项 (A、B、C和D) 中, 选出最佳选项。
(2017·合肥市二模,D)
It is a tall tale that terrifies most young children. Swallow a piece of chewing gum and it will
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