___ we know, in a chemical change, energy cannot be created, ____.
#94863
A
Which, nor can it be destoyed
B
As, neither it can be destroyed
C
As, neither is it able to be destoryrf
D
What, nor is destoryed
推荐题目
We should make____a rule for us that the last to leave the classroom shall turn the light off.
#92247
A
it
B
that
C
one
D
all
English is a subject ___________ we should attach great importance.
#93031
A
which
B
that
C
to which
D
for which
In the past few years, __________much improvement in the traffic.
#92127
A
there has been
B
there has had
C
there have been
D
there had been
In my opinion, to worry about the present situation between China and Japan. Everything will be all right.
#92291
A
it is no need
B
there is no wonder
C
it is no wonder
D
there is no need
This problem is said _____ three times.
#92660
A
having discussed
B
to have been discussed
C
having been discussed
D
to have discussed