Many people do strange things before an earthquake (她震 ). This news 1 important. Earthquakes can kill people and 2 homes. The animals may help to save 3 . Some animals 4 a lot of noise before an earthquake. Farmers have been told about this. Dogs 5 are usually quiet have started to bark (吠). Horses on farms have run around in circles. Mice have left their holes and run away. Cows have given less milk. In a town in Italy, cats raced down the street 6 a group. That happened only 7 hours before an earthquake. In San Francisco , a man kept tiny (微小的) pet frogs. One Sunday , the frogs jumped around more than 8 . That night, an earthquake struck the city. People want to know 9 an earthquake is coming. Then they could get away safely. Right now, there is no sure way 10 ahead of time. Maybe the best idea is to watch the animals.
( )1. A. may be ( )2. A. knock ( )3. A. life ( )4. A. do ( )5. A. it ( )6. A. as ( )7. A. a few ( )8. A. ever ( )9. A. where ( )10.A. know
B. maybe B. knock down B. the life B. produce B. they B. with B. few B. ago B. how B. known
C. may is C. burn C. lives C. keep C. / C. in C. little C. never C. when C. to know
D. is may D. get burned D. the lives D. make D. that D. like D. a little D. hardly D. whether D. knowing