题目内容
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Floods cause billions of dollars worth of property damage _______
A．relatively
B．actually
C．annually
D．comparatively
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Part A
Directions: Read the following three texts. Answer the questions on each text by choosing A, B, C or D. Mark your answers on ANSWER SHEET 1.
In the late summer of 2005, the remarkable flooding brought by Hurricane Katrina, which caused more than ＄ 200 billion in losses, was the worst natural disaster in U.S. history. However, even in typical years, flooding causes billions of dollars in damage and threatens lives and property in every State.
Natural processes, such as hurricanes and weather systems can cause floods. Failure of levees and dams and inadequate drainage in urban areas can also result in flooding. On average, floods kill about 140 people each year and cause ＄ 6 billion in property damage. Although loss of life to floods during the past half-century has declined, mostly because of improved warning systems, economic losses have continued to rise due to increased urbanization and coastal development.
Flooding happens during heavy rains, when rivers overflow, when ocean waves come onshore, when snow melts too fast or when dams or levees break. Flooding may be only a few inches of water or it may cover a house to the rooftop. Floods that happen very quickly are called flashfloods. Flooding is the most common of all natural hazards. It can happen in every U. S. state and territory.
And here is something else for you:
-Flood Watch or Flashflood Watch--Flooding may happen soon. Stay tuned to the radio or television news for more information. If you hear a flashflood warning, talk to an adult immediately!
-Flood Warning--You may be asked to leave the area. A flood may be happening or will be very soon. Tell an adult if you hear a flood warning. If you have to leave the area, remember to bring your Disaster Supply Kit and make arrangements for your pets.
-Flashflood Warning--A flashflood is happening. Get to high ground right away. Tell an adult!
What can be inferred about the flooding problem in U. S. from the passage？
A．The tragedy happening in 2005 is an exception from a country that barely witness floods so frequently.
B．Flood is not such a serious problem as hurricanes and other forms of natural disasters in U. S..
C．That is an extreme example to represent the serious problem of flood U. S. has been faced with for many years.
D．The example in 2005 is typical, just like any other year in U. S..
Residents remember all too well the floods of 2010 that caused ten billion dollars in damage and forced thousands to ________.
A.speculate
B.evacuate
C.anticipate
D.manifest
A．Volcanic eruptions.
B．Mountain torrents.
C．Crop and livestock production.
D．The floods after the storm. TEXT C
Floods cause billions of dollars worth of property damage ____________.
A、annually
B、relatively
C、actually
D、comparatively
A．Volcanic eruptions
B．Mountain torrents
C．Crop and livestock production
D．The floods after the storm
According to the passage, which of the following is the cause of dropping temperature？
A．Volcanic eruptions.
B．Mountain torrents.
C．Crop and livestock production.
D．The floods after the storm.
What can be inferred from paragraph 3 about the happening of floods？
A．Only with water covering a house to the rooftop can be viewed as floods.
B．Some U. S. states are spared from the destroying power of floods.
C．Ocean waves is the only reason to cause the disaster of floods.
D．Floods happen more often than any other forms of natural disasters.
Section B
Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A, B, C and D. You should decide on the best choice.
One way of preventing floods may be by making rain ! This may sound rather strange. As we know, heavy rain is the cause of floods, and in Malaysia most of the floods are caused by the annual monsoon (季风), which brings heavy rain to the east coast. If, however, the rain could be made to fall in the China Sea, there would be no more floods since the rain clouds would not reach the east coast.
Is it possible to make clouds give up their rain.？ Yes, it is, and in 1973 the National Institute of Scientific and Industrial Research (NISIR) suggested that it would be tried. The institute knew of course that it is not possible to make all clouds give up all their rain. It calculated, however, that if the frequency of rainfall could be reduced by 10%, a/id the amount of rain that fell each time could be reduced by 15%, the total amount of flood damage would be reduced by 40%—50%.
As you probably know, clouds are caused by air containing water-vapor. The air rises and, since water-vapor becomes water when it cools, very tiny drops of water are formed. Since these drops are, very small, they float in the air, and form. a cloud. When the cloud rises, however, the drops become colder. Because of this, they join together and become big drops. The big drops are no longer able to float be cause of their size, and they fall. As they fall, they pick up more drops and become bigger. This is the cause of rain.
According to this passage, one way of preventing floods is ______.
A．to make the rain fall in the sea before it reaches the coast
B．to make the rain clouds
C．to cause monsoon in the sea
D．to bring heavy rain
Such crashes are the second-leading cause of death for migrating birds, after habitat(栖息地loss, with an estimated number of death ranging up to a billion a year.
What can we learn about rivers in Australia？
A．Rivers run higher than usual.
B．Rivers have run out of water.
C．Rivers cause little damage.
D．Every year rivers overflow.
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