Section B (9%)
Directions: Complete the following passage by using the words in the box. Each word can
only be used once. Note there in one word more than you need.
A. deadly B. tested C . identified D. activity E. independently F. resistance
G. treat H. lifelong I. highly J. seasonal |
Evidence is increasing that common influenza viruses are becoming resistant to the main drug used to treat them. The drug is oseltamivir, also known as Tamiflu.
The most common ___41___ flu virus found in the United States this year is type A (H1N1). During the last flu season, twelve percent of H1N1 viruses ___42___ in the United States were resistant to Tamiflu. This year, researchers at the Centers for Disease Control and Prevention say ___43___ is close to 100 percent. Still, they say early reports show that flu___44___ has been low so far this year.