in many areas of the world, living things face many 1 for winter weather. plants and animals must find 2 to deal with the cold teml~’ratures and 3 of food and water. plants and trees 4 their leaves and 5 . many birds, some insects, and a few other animals move away during the winter. and some animals 6 . hiber nation is sometimes 7 as “winter sleep”. mammals (哺乳动物) that hibernate in-dude woodchucks (which are also called groundhogs), some birds, squirrels, bats and. of course, bears. to 8 for the winter months, these animals 9 up fat in their bodies during the 9 and fall. they may 11 food or take it into their caves or un-derground holes. some animals build their winter “homes” with grass and hay. when the temperatures 12 , they go into their caves. the 13 space helps to hold in the heat of their bodies. they 14 into a deep sleep in whieh their bodies become almost
15 . a hibernating bear 16 get up occasionally and even wander 17 lcoking for a new resting place 18 setting into another deep sleep. the animal used up stored fat little by little. when they 19 in the spring with the warmer weather, they are 20 and ready for a big meal.
1. a. agreements b. advantages
c. difficulties d. questions
2. a. balance b. ways
c. roads d. holes
3. a. lack b. preparation
c. defence d. desire
4. a. send b. keep c. protect d. drop
5. a. die b. dry c. stop d. rest
6. a. worry b. walk round
c. find food d. hibernate
7. a. called b. turned
c. known d. treated
8. a. look b. search
c. prepare d. grow
9. a. store b. use c. eat d. pick
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