1. When is an ordinary tropical storm called a hurricane?
A. When it begins in the Atlantic and Caribbean seas.
B. When it hits the coastline.
C. When it is more than 75 miles wide.
D. When its winds reach 75 miles per hour.
2. What is the worst thing about hurricanes?
A. The destructive effects of water.
B. The heat they release.
C. That they last about nine days on the average.
D. Their strong winds.
3. The counter-clockwise swirling of the hurricane is brought about by .
A. the low-pressure area in the center of the storm
B. the force of waves of water
C. the trade winds
D. the increasing heat
4. Apparently the word “downpour” in the last paragraph means .
A. heavy rainfall
B. dangerous waves
C. the progress of water to the hurricane center
D. the energy produced by the hurricane
5. Which of the following is not true?
A. Millions of dollars of damage is caused by powerful storms.
B. In the second half of each year, there are powerful storms in tropical Atlantic and Caribbean seas.
C. A hurricane contains more power than we can imagine.
D. The energy in the heat released by a hurricane’s rainfall in a single hour would meet the entire needs of the United States for more than six months.
