After some experiments, the doctors found that ______.
A. the influenza could be cured like other types of influenza
B. the influenza must be treated in a special way
C. the influenza didn't have to be treated
D. the influenza could be cured by any known medicine
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The best title for the para. is ______.
A. Nobody Knows When Salt Began to Be Used
B. The Uses and Importance of Salt in History
C. Thousands of People Were Punished Because of Salt
D. Salt Was Important in History
A．regulationsB．formationsC．rulesD．constitutions
A. regulations
B. formations
C. rules
D. constitutions
Who reported the influenza because ______.
A. the doctor belonged to that organization
B. many people in Hong Kong also suffered from it
C. the doctor found its virus and sent the samples to WHO
D. it spread widely in Singapore for the first time
The writer may probably believe that ______.
A. few people have realized how serious the problem of pollution is
B. the problem of pollution has not yet become a major concern
C. the problem is not so serious that it does not require an immediate solution
D. people are so eager for the benefits of modern society that they pay little attention to the problem of pollution
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