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【单选题】
具有引经作用的药物是:A.
君药
B.
臣药
C.
佐药
D.
使药
E.
以上皆非
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举一反三
【单选题】There isn’t such a word ______ I know.
A.
as soon as
B.
as long as
C.
so long as
D.
so far as
【单选题】Although we in this neighborhood for 5 years so far, we haven ’ t got to know many people yet.
A.
were
B.
have been
C.
had been
D.
are
【单选题】________ we don’t lose hope, there is still a chance for us to survive the snowstorm. [ ]
A.
So far as
B.
for fear that
C.
So long as
D.
As soon as
【单选题】__________ we know，there are l07 elements found in nature． A.so far asB.As for###
A.
__________ we know，there are l07 elements found in nature． A.so far as
B.
As for
C.
Just as
D.
So long as
【单选题】As far as we know, half of Canadian teenagers do not get enough sleep on school nights, _____?
A.
do they
B.
don’t they
C.
don’t you
D.
isn’t it
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