As more and more cars are produced and used, so the _____ from their exhaust-pipes contains an even larger volume of poisonous gas.
#6921
A
exposure
B
distribution
C
expansion
D
emission
推荐题目
It is said that dogs will keep you _________for as long as you want when you are feeling lonely．
#6967
A
safety
B
company
C
house
D
friend
Some people always take seriously the ______ of the complete globe end in the near future.
#5853
A
celebration
B
production
C
prediction
D
permission
In order to understand the____ of the animal, she spent many years recording its daily activities.
#5876
A
performance
B
deed
C
behavior
D
personality
—Why haven’t you bought any butter? ---I_____ to but I forgot about it.
#6863
A
liked
B
wished
C
meant
D
expected
We all agree that the products of this factory are of better ________.
#6292
A
quality
B
quantity
C
principal
D
identity