______this difficulty is overcome, other problems will be easy to solve.
#33583
A
For
B
Whether
C
Once
D
Though
推荐题目
A model or an experiment in a science class can help students see things which would ______ remain hidden.
#80029
A
otherwise
B
still
C
thus
D
therefore
She missed the plane, ________driving very fast to the airport.
#31819
A
despite
B
unless
C
though
D
without
11.We should consider the students’ request the school library provide more books on popular science.
#80668
A
that
B
when
C
which
D
where
________ the jewels were locked in a strong box，the thieves stole them without any difficulty.
#30445
A
If
B
Unless
C
Although
D
Because
6. White-collar workers across China are becoming____ concerned about the impact of the global financial crisis on their careers.
#80134
A
highly
B
strictly
C
hardly
D
increasingly