The new discovery is of ________.
#5792
A
great significance
B
very significance
C
great significant
D
very importance
推荐题目
One of the consequences of our planet's being warming up is a（n）_______ in the number of natural disasters.
#7447
A
result
B
account
C
reason
D
increase
After years of research, he found the key ____ differences between species.
#5237
A
to explain
B
to explaining
C
of explaining
D
explaining
As is well－known，the brain performs a very important ________，which controls the nerve system of the body.
#5124
A
motion
B
action
C
function
D
fact
There is a peaceful and calm _____ in the country, quite different from that of a big city.
#5375
A
climate
B
atmosphere
C
system
D
situation