The two Chinese scientists have made a wonderful discovery, which marks a major _______ in the basic research in the field.
#13677
A
reform
B
approach
C
boundary
D
breakthrough
推荐题目
At a rough estimate, Nigeria is ____ Great Britain.
#12806
A
twice big as
B
as twice big as
C
three times the size as
D
three times the size of
---Is Peter there? --- , please. I'll see if I can find him for you.
#12170
A
Hold up
B
Hold on
C
Hold out
D
Hold off
It wasn’t until nearly a month later ________ I received the manager’s reply．
#12558
A
since
B
when
C
as
D
that
Some people hold the view that the new machine is advanced, while others are still skeptical _____ whether it is of practical use.
#14015
A
with
B
about
C
for
D
on
—Tom is always saying I’m ugly，Mom．—Just ______ him．You are the most beautiful in my eyes．
#12711
A
disagree
B
ignore
C
command
D
dislike