Science and technology are developing ______ quickly that some new electronic products are out-of-date within several months. 
#92298
A
very
B
so
C
such
D
too
推荐题目
 Ten minutes has been made full _______ of ________ the problem.
#92729
A
using ; studying
B
use ; to study
C
to use ; to study
D
use ; studying
He made another wonderful discovery, ______ of great importance to science.
#93713
A
which I think is
B
which I think it is
C
which I think
D
I think which is
Nowadays we take___ exercise a day as we need because of widely used automobiles.
#92002
A
less than half
B
less than as half as
C
less than half as much
D
half less than