(2012·四川)Scientists study ________ human brains work to make computers.
#30462
A
when
B
how
C
that
D
whether
推荐题目
Though he is busy, music has always been _______ his work.
#32003
A
as much a part of his life as
B
as a part of his life much as
C
as much as a part of his life
D
so much a part of his life as
_ _______broken,the glass can not hold water.
#80063
A
Once
B
After
C
On
D
Though