As the quality of the city’s air continues to give rise to ______, the residents are encouraged to set off fewer fireworks. 
#5438
A
descriptions
B
concerns
C
compromise
D
emergency
推荐题目
She had stomach trouble and had to follow _____.
#5503
A
strict food
B
a strict food
C
strict diet
D
a strict diet
The new safety regulations were agreed on after _____ with the work-force.
#6919
A
conference
B
participation
C
intervention
D
consultation
Ancient Greeks were responsible for many of the _______ in science and other fields.
#5601
A
advances
B
progress
C
development
D
civilization