Many people who fly at least occasionally have come down with a cold or the flu shortly after disembarking. Is the air in airborne commercial jets (21) The Association of Flight Attendants (AFA), (22) which 42,000 flight attendants with 27 airlines are represented, evidently thinks so. The organization claims that the incidence of air-quality-related diseases has (23) among its members and demands that prompt actions be (24) to improve the conditions in the airplane cabin.
A study the AFA (25) in 1997 uncovered about 1,000 self-reported incidents of headaches, dizziness and memory loss (26) flight attendants and passengers. Some flight attendants were too ill to (27) their safety duties, while others have been permanently disabled.
Because of airlines’ efforts to (28) their expenses, cabin-air filters are not cleaned (29) The complaints of flight attendants do not always give (30) to correct maintenance. Airlines turned to recycled air, (31) that they would
A. confided
B. promised
C. ensured
D. convinced
Many people who fly at least occasionally have come down with a cold or the flu shortly after disembarking. Is the air in airborne commercial jets (21) The Association of Flight Attendants (AFA), (22) which 42,000 flight attendants with 27 airlines are represented, evidently thinks so. The organization claims that the incidence of air-quality-related diseases has (23) among its members and demands that prompt actions be (24) to improve the conditions in the airplane cabin.
A study the AFA (25) in 1997 uncovered about 1,000 self-reported incidents of headaches, dizziness and memory loss (26) flight attendants and passengers. Some flight attendants were too ill to (27) their safety duties, while others have been permanently disabled.
Because of airlines’ efforts to (28) their expenses, cabin-air filters are not cleaned (29) The complaints of flight attendants do not always give (30) to correct maintenance. Airlines turned to recycled air, (31) that they would
A. humid
B. unhealthy
C. unbearable
D. crisp
我来回答: