(2013·哈尔滨四校高三一模)In fact fuels we burn and plant food we eat ________ their chemical energy in the form of heat.
#11406
A
give in
B
give off
C
give away
D
give up
推荐题目
These flowers should not be watered too ______, once _____.
#12398
A
long; every other day
B
often; every fourth day
C
soon; every two days
D
frequently; each five days
The librarian took a story book _____ from the shelf and gave it to the girl.
#13830
A
in vain
B
at random
C
at the moment
D
at any rate
Mr. Smith, who often helped passers-by repair their bikes, said that what he did was not paid but _______.
#10771
A
relevant
B
optional
C
suitable
D
voluntary
According to the American law, parents must keep their kids _______ except when they are in school.
#12627
A
safety
B
company
C
friend
D
partner