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Winter becomes colder and colder. People begin to wear more  1  themselves against the cold. But  2  do animals get through the long cold winter?

A number of animals, especially birds, travel to  3 places to get away from the cold. Wild geese, for example, fly south. Other animals, such as bears, snakes and squirrels,  4  most of their time eating or storing food. After enough food and energy preparation, they go to safe places to hibernate (冬眠).

Hibernation is a special and deep sleep. When animals hibernate, their body temperature drops, and their heartbeat and breathing become very  5 . They look like dead ones. The largest hibernators are bears.  6  other hibernators, bears do not eat or drink while hibernating, which can last as 7  as six months.

For some cold-blooded animals,  8  gives them a good place to keep warm.  9  the weather gets cold, they move to the bottom of lakes or ponds. For insects (昆虫), most of them don’t  10  during the winter, which is called diapause (昆虫生长的停滞期).

( )1 A. protect B. protecting

C. protects D. to protect

( )2. A. how B. what

C. where D. why

( )3. A. cooler B. warmer

C. colder D. windier

( )4. A. cost B. spend

C. take D. pay

( )5. A. quick B. strong

C. slow D. noisy

( )6. A. Instead B. Except

C. Unlike D. Without

( )7. A. long B. much

C. many D. far

( )8. A. land B. water

C. air D. space

( )9. A. Since B. When

C. For D. Even

( )10. A. sleep B. talk

C. grow D. stop


1D  2A  3B  4B  5C  6C  7A  8B  9B  10C


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