三、完形填空
Many animals do strange things before the 1 . This is because they can sense environmental changes. The fact may be 2 . Earthquakes can kill people and 3 down houses. The animals may help to save lives.
Some animals make a lot of 4 before an earthquake. Farmers know well about this. 5 that are usually quiet start to bark (吠). Horses on farms run around in circles. Mice leave their 6 and run away. What's unexpected is that cows give less 7 .
In a town in Italy, cats once raced down the street in a group. That 8 only a few hours before an earthquake. In San Francisco, a man kept small pet 9 . One Sunday, the frogs 10 around him more than ever and croaked (呱呱地叫) 11 . That night, an earthquake hit the city.
People want to know 12 an earthquake is coming. Then they can get away 13 . Right now, there is no sure way to 14 ahead of time. Maybe one of the best ideas is watching the 15 .
( )1. A. earthquake
B. flood
C. lightning
D. typhoon
( )2. A. surprising
B. easy
C. important
D. interesting
( )3. A. knock
B. kick
C. keep
D. kill
( )4. A. moves
B. noises
C. voices
D. winds
( )5. A. Fish
B. Ducks
C. Dogs
D. Geese
( )6. A. pools
B. caves
C. holes
D. forests
( )7. A. eggs
B. wastewater
C. milk
D. mud
( )8. A. hurt
B. hit
C. happened
D. held
( )9. A. cats
B. frogs
C. foxes
D. pigs
( )10. A. swam
B. jogged
C. ran
D. jumped
( )11. A. highly
B. beautifully
C. slowly
D. loudly
( )12. A. why
B. when
C. where
D. what
( )13. A. hard
B. loudly
C. safely
D. carefully
( )14. A. know
B. understand
C. find
D. hear
( )15. A. food
B. people
C. animals
D. buildings