(2013·江苏，28)In the global economy，a new drug for cancer，________it is discovered，will create many economic possibilities around the world.
#67442
A
whatever
B
whoever
C
wherever
D
whichever
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Over a hundred children ______ parents were killed in the Wenchuan earthquake have been adopted and taken good care of by kindhearted couples.
#72266
A
who
B
that
C
whose
D
which
I shall never forget the day ________ Shen Zhou V was launched, ________ has a great effect on my life.
#73337
A
when, which
B
that, which
C
which, that
D
when, that
The Burj Khalifa in Dubai is 828 meters high and there is no doubt it’s the tallest building in the world.
#67848
A
that
B
what
C
whether
D
which
Which of the following proverbs suits the gist of the story By heart best?
#68896
A
Look before your leap.
B
Speech is silver, but silence is golden.
C
He laughs best, who laughs last.
D
Don’t count your chickens before they are hatched.