Science and technology have ____in important ways to the improvement of agricultural production.
#84134
A
attached
B
assisted
C
contributed
D
witnessed
推荐题目
Busy as Tom is, exercise has always been______his work.
#65780
A
as a part of his life much as
B
as much a part of his life as
C
as much as a part of his life
D
so much a part of his life as
With so many evidence against him he had to____ his errors openly.
#76706
A
refuse
B
acknowlege
C
declare
D
recognize
Our teachers often encourage us that every minute we spend on studying will finally in the near future．
#68977
A
run out
B
go off
C
come out
D
pay off
Recently we held a discussion about what we shall use for power when all the oil in the world has _________?
#76385
A
run out of
B
used up
C
given out
D
put out
I know, he will leave for Edinburgh next week.
#65752
A
As far as
B
Such far as
C
So much as
D
So long as