The air in mountain areas is ____ that in big cities.
#19283
A
as fresh as
B
fresher than
C
as dirty as
D
dirtier than
推荐题目
Compared with other animals, snakes are believed to be below ____ in intelligence.
#17885
A
average
B
common
C
ordinary
D
usual
—How did you save the drowning girl?—By using a _______.
#20704
A
long bamboo fishing pole
B
bamboo long fishing pole
C
fishing long bamboo pole
D
bamboo fishing pole
It is obvious that water is to be _____to the development of life.
#59560
A
gentle
B
fundamental
C
harmful
D
fierce
John, may I use your computer now?Sorry, it is not ____at the moment. It is being repaired.
#18150
A
convenient
B
valuable
C
available
D
comfortable
Please keep ______; I’m taking a photo of you all. Say “Cheese”.
#19902
A
calm
B
still
C
quiet
D
silent