The government ______ air quality in urban areas from levels one to five: excellent, fairly good, slightly polluted, poor and dangerous.
#13951
A
distributes
B
arranges
C
classifies
D
divides
推荐题目
My chest _______ when I make a deep breath, doctor.
#13607
A
harms
B
hurts
C
wounds
D
injures
The wet weather will continue tomorrow, when a cold front________ to arrive.
#14207
A
will be expected
B
is expecting
C
expects
D
is expected
Han Han's novel was eventually ______as a work of genius.
#14114
A
realized
B
recognized
C
recalled
D
reminded
Professor Li preferred _______ lectures to his students to _______ to meetings on scientific developments.
#12460
A
to give; invite
B
giving; being invited
C
to give; be invited
D
giving; inviting