He made another wonderful discovery, _______ of great importance to science.
#76145
A
which I think is
B
which I think it
C
which I think it is
D
I think which is
推荐题目
The days are gone__________ physical strength was all you needed to make a living.
#77359
A
when
B
that
C
where
D
which
Life is like a long race ______ we compete with others to go beyond ourselves.
#75301
A
why
B
what
C
that
D
where
Children under sixteen are not permitted to participate in such kind of activities ________ bad for their mental development.
#76601
A
as is
B
as are
C
that are
D
that they are
The freezing point is the temperature __________ water changes into ice.
#77034
A
atwhich
B
when
C
inwhich
D
ofwhich