摘要:( ) A. gets B. arrives C. leaves D. drives

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  Giraffes live in Africa.The giraffe is the tallest living animal on land.With a very long neck,a giraffe can be more than 18 feet tall.

  A giraffe has four long,thin legs.The front legs are longer than the back legs.It can run about 50 kilometres each hour.A giraffe is probably famous for its long neck.It can reach the leaves at the top of the trees.

  A giraffe can live for 20-25 years in the wild,and often longer at zoos.An adult(成年的)giraffe eats up to 140 pounds of food each day.A giraffe spends most of a day eating and it gets just a few leaves once.It eats leaves on tall trees,tall bushes and tall grass,too.But its favourite food is leaves on the acacia trees(刺槐).Acacia leaves contain a lot of water,so a giraffe can go a long time without drinking.

(1)

What does a giraffe look like?

[  ]

A.

It is the tallest living animal on land.

B.

It has a long neck and four long,thin legs.

C.

It can live for 20-25 years in the wild.

D.

It can run about 50 kilometres each hour.

(2)

A giraffe is well-known because of ________

[  ]

A.

its front legs

B.

its speed(速度)

C.

its neck

D.

its food

(3)

What food does a giraffe like eating best?

[  ]

A.

Leaves of the acacia trees.

B.

Green grass.

C.

Tall bushes.

D.

Little animals.

(4)

Why doesn't a giraffe drink water for a long time?

[  ]

A.

It's an animal of the desert.

B.

It lives on the grassland.

C.

It's an animal like a camel.

D.

Its food contains some water.

(5)

Which of the following statements is NOT true?

[  ]

A.

A giraffe is an animal from Europe.

B.

A giraffe's front legs are long.

C.

It takes a giraffe lots of time to eat food.

D.

A giraffe in the zoo can live for over 25 years.

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The word “day” has two meanings. When we talk about the number of days in a year, we are using “day” to mean 24 hours. But when we talk about day and night, we are using “day” to mean the time between sunrise and sunset. Since the earth looks like a ball, the sun can shine on only half of it at a time. Always one half of the earth is having day and the other half night. A place is moved from day into night and from night into day over and over by the spinning(旋转)of the earth. At the equator(赤道)day and night are sometimes the same length(长度). They are each twelve hours long. The sun rises at 6 o’clock in the morning and sets at 6 o’clock in the evening. For six months the North Pole is tilted(倾斜)toward the sun. In those months the Northern Hemisphere(半球)gets more hours of sunlight than the Southern Hemisphere. Days are longer than nights. South of the equator nights are longer than days. For the other six months the North Pole is tilted away from the sun. Then the Southern Hemisphere gets more sunlight. Days are longer than nights. North of the equator nights are longer than days. Winter is the season of long nights. Summer is the season of long days.

1.When the Western Hemisphere is having day, the eastern Hemisphere is having ________________.

A. both day and night    B. day     C. neither day nor night  D. night

2.A place is moved from day into night and from night into day over and over by _______________ of the earth.

A. the pushing   B. the pulling   C. the spinning   D. the passing

3.At the equator day is as long as night _______________.

A. sometimes   B. never      C. usually      D. always

4.When the North Pole is tilted toward the sun, the Northern Hemisphere gets _______________ sunlight.

A. less      B. more     C. all       D. no

 

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