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【单选题】
下列M胆碱受体阻断剂中，中枢作用从强到弱的排列正确的是（）A.
东莨菪碱>阿托品>樟柳碱>山莨菪碱
B.
东莨菪碱>山莨菪碱>樟柳碱>阿托品
C.
山莨菪碱>樟柳碱>阿托品>东莨菪碱
D.
山莨菪碱>樟柳碱>东莨菪碱>阿托品
E.
山莨菪碱>阿托品>樟柳碱>东莨菪碱
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【简答题】Wordsworth was one of the greatest poets __________lived in the 19th century. A) that B) who C) which D) he
【单选题】Wordsworth was one of the greatest poets______ lived in the 19th century.
A.
that
B.
who
C.
which
D.
he
【单选题】Wordsworth's poetry, divided by the subjects, falls into two major groups: one about ______ and the other about ______.
A.
nature] human life
B.
society/human nature
C.
human life/social system
D.
universe/human spirit
【单选题】'Wordsworth's daffodils' in paragraph 2 refers to______.
A.
one of Wordsworth's poems
B.
a kind of flower that Wordsworth liked
C.
art about happiness
D.
art's inner controversy
【单选题】Wordsworth was one of the greatest poets ______ lived in the 19th century.
A.
which
B.
who
C.
those
D.
that
【简答题】速度势函数存在的唯一条件是: 。
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