D. listeners

　　7. A. meaningful

　　B. cheerful

　　C. successful

　　D. hopeful

　　8. A. put away

　　B. put down

　　C. put off

　　D. put aside

　　9. A. checking in

　　B. pouring in

　　C. dropping in

　　D. taking in

　　10. A. collected

　　B. took

　　C. repaired

　　D. delivered

　　11. A. annoying

　　B. puzzling

　　C. relieving

　　D. disappointing

　　12. A. eventually

　　B. properly

　　C. gradually

　　D. regularly B

　　Australia has listed the koala as a threatened species in parts of the country due to its decreasing population. Koalas in Queensland, New South Wales and the Australian Capital Territory, 1.__________ their numbers have fallen by as much as 40% since 1990, are now considered “endangered species”. The current size of the koala population is unclear, with estimates varying 2.__________ several hundred thousand to as few as 43,000. Habitat loss, urban expansion, vehicle strikes, dog attacks and disease have contributed 3.__________ their decreasing numbers.

　　Contrary to popular belief, koalas, which are native to Australia, are marsupials(有袋动物)and 4.__________ bears. The koala loves to eat. What is special about its diet is that it eats 5.__________ but the leaves of the eucalyptus(桉树)tree. They live in woodlands due to their appetite for the eucalyptus leaves. Koala bears tend to be very lazy, sleeping for up to 20 hours a day. The koala is 6.__________ friendly and cute that it becomes 7.__________ important tourist icon(图标)and symbol to Australia.

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