2. When did the whole family feel in real trouble?
A. When the storm was overwhelming.
B. When the French doors blew in with an explosive sound.
C. When the front door was pushed open by a blast of water.
D. When the water tasted salty.
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3. For what purpose did the author insert Paragraph 19 and 20 in the story?
A. To tell the reader how destructive Hurricane Camille was.
B. To describe what NHC had done with Hurricane Camille.
C. To provide evidence of the seriousness of natural disasters.
D. To build a suspense about what would happen to the family.
4. What can we learn from Paragraph 35 about the dog and cat returning alive and hungry?
A. They were as lucky as their masters were.
B. The family was less seriously damaged.
C. God helps those who help themselves.
D. Animals better survive natural disasters.
弛张热一天内温差为
A. 1℃以上
B. 2℃以上
C. 3℃以上
D. 1℃以下
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