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  • 更新 2022-09-03
  • 科目 英语
  • 题型 阅读理解
  • 难度 中等
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阅读理解
Lack of water creates a survival problem for all desert animals.And animals can live only within a relatively narrow temperature range.For four or five months of the year,the daily temperatures in the desert may actually go beyond this range.So survival for desert animals is very difficult.
Fortunately,most desert animals have evolved (进化) to solve the heat and water problems the desert environment creates.
Take Phainopepla, a slim black bird for example. It breeds during the relatively cool spring,then leave the desert for cooler areas.Many birds are active only at dawn and within a few hours of sunset.Some birds,such as the kingbird,continue activity throughout the day,but always fly or sit in the shade.
A few desert animals,such as the Roundtailed Ground Squirrel,sleep away the hottest part of the summer.They also hibernate (冬眠) in winter to avoid the cold season.Some desert animals such as Desert Toads,stay deep under the ground until the summer rains fill ponds. They then come out from under the ground,breed,lay eggs and supply themselves with food and water for another long period.Some smaller desert animals make a hole below the surface of the soil or sand to escape the high temperatures at the desert surface.
Certain desert lizards (蜥蝎) are active during the hottest seasons,and move extremely rapidly over hot surfaces,stopping in cooler “islands” of shade.Even their legs may be longer so they absorb less surface heat while running.
How many survival problems are mentioned for desert animals in Paragraph 1 ?

A.One.
B.Two.
C.Three.
D.Four.

When can we have the highest chance to see many birds in a desert?

A.In early afternoon.
B.Around midday.
C.In early morning.
D.In late morning.

The Roundtailed Ground Squirrel escapes the extreme temperatures by________.

A.sitting in the shade
B.lying in a hole
C.stopping its activity
D.moving to cool habitats

According to the passage,which of the following are the most active desert animals?

A.Lizards.
B.Desert Toads.
C.Phainopepla.
D.Roundtailed Ground Squirrel.

What would be the best title for the passage?

A.Survival of Desert Animals.
B.Evolution of Desert Animals.
C.Dangers of Desert Animals.
D.Hibernation of Desert Animals.
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阅读理解Lackofwatercreatesasurviva