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约32780字。
　　2010届高考二轮英语复习专项训练：完形填空
　　Passage 1
　　Seasonal influenza is characterized by a sudden fever, cough, headauscle and joint pain, sore throat and runny nose. Most people recover from fever and 1 symptoms within a weet requiring medical attention. But influenza can 2 severe illness or death in people at high risk. The time from infection to illness is about two days.
　　Yearly influenza epidemics can 3 affect all age groups, but the highest risk of plications ocong children younger than age two, adults age 65 or older, and people of 4 age with certain medical conditions, such as chronic heart, lung, kidney, liver, blood or metabolic diseases, or weakened immune systems.
　　Seasonal influenza 5 easily and can sweep through schools, nursing homes or businesses and towns. When an 6 person coughs, infected droplets get into the air and another person can breathe them 7 and be exposed. The virus can also be spread by hands infected with the virus. 8 transmission, people should cover their mouth and nose with a tissue when coughing, and 9 their hands regularly.
　　Drugs for influenza are 10 in some countries and effectively prevent and treat the illness. Some influenza viruses develop 11 to the antiviral medicines, limiting the effectiveness of treatment.
　　Influenza epidemics occur 12 during autumn and winter in temperate regions. Illnesses result in hospitalizations and deaths mainly among high-risps. Worldwide, these annual epidemics result in about three to five million 13 of severe illness, and about 250 000 to 500 000 deaths.
　　Influenza can cause serious public health and eic problems. In 14 countries, epidemics can result in high levels of worker absenteeism and productivity 15 . 16 most people recover from a bout(轮) of influenza, there are large numbers of people who need hospital treatment and many 17 die from the disease every year. 18 is known about the effects of influenza epidemics in developing countries.
　　The most 19 way to prevent the disease or severe outes from the illness is vaccination. Vaccination is especially important for people at higher risk of serious influenza plications, and for people who live with or care 20 high risk individuals.
　　( ) 1. A. its B. it’s C. all D. other
　　( ) 2. A. cause B. lead C. result D. bring
　　( ) 3. A. lightly B. slightly C. seriously D. heavily
　　( ) 4. A. all B. any C. no D. both
　　( ) 5. A. goes B. spreads es D. happens
　　( ) 6. A. to infect B. infecting C. infected D. infect
　　( ) 7. A. off B. away C. out D. in
　　( ) 8. A. To prevent B. To protect C. To prepare D. To prefect
　　( ) 9. A. wash B. washing C. to wash D. washed
　　( ) 10. A. free B. available C. useful D. helpful
　　( ) 11. A. assistance B. resistance C. consistence D. preference
　　( ) 12. A. monthly B. weekly C. daily D. yearly
　　( ) 13. A. pieces B. states C. conditions D. cases
　　( ) 14. A. developed B. developing C. big D. small
　　( ) 15. A. lose B. losses C. loose D. lost
　　( ) 16. A. For B. Because C. While D. Whether
　　( ) 17. A. / B. which C. do D. who
　　( ) 18. A. Little B. Much C. Few D. Lot
　　( ) 19. A. affective B. effective C. attractive D.