(2012·四川)Scientists study ________ human brains work to make computers.
#30462
A
when
B
how
C
that
D
whether
推荐题目
I’m concerned, the computer you want is not very expensive and you can afford it.
#32871
A
As far as
B
As long as
C
As much as
D
As well as
A stubborn boy like him dosen’t learn from his mistakes______ he was punished badly.
#32849
A
if
B
when
C
since
D
unless
He _______ his gun under the tree where he was __________.
#32988
A
lay; laying
B
laid; lying
C
lied; laying
D
lay; lying
There were dirty marks on her trousers _______ she had wiped her hands.
#31676
A
when
B
which
C
where
D
That