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【简答题】
语言谱系结构的层次一般有 、 、 、 。
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举一反三
【单选题】The data presented in the atttached figure show that
A.
Drugs A and B have equal efficacy
B.
Drug B and C have equal efficacy
C.
Drug B is a partial agonist
D.
Drugs A and C have the same affinity and efficacy
E.
Drugs A and B have equal potency
【单选题】Data from Voyager II have presented astronomers with a puzzle about why our outermost planet exists.
A.
problem
B.
mystery
C.
question
D.
point
【单选题】Data from Voyager Ⅱ have presented astronomers with a puzzle about why our outermost planet exists.
A.
problem
B.
mystery
C.
question
D.
point
【简答题】Data from Voyager II have presented astronomers with a puzzle about why our outermost planet exists.
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