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【简答题】
在完整动物机体建立条件反射的关键步骤是
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举一反三
【单选题】I think of the materials(材料) I listened to at the beginning of the exam easy. [ ]
A.
three fourths；is
B.
third four；are
C.
three fourths；are
D.
three fourth ；are
【单选题】Today when I think of my friend, I remember the way her face _____ when she saw the picture of a lovely cat. [ ]
A.
cheered up
B.
shone up
C.
stood up
D.
lit up
【单选题】Today, when I think of my friend, I remember the way her face _____ when she saw the picture of a handsome fellow.
A.
cheered up
B.
shone up
C.
stood up
D.
lit up
【单选题】Whenever I think of my childhood, I'll always feel that the period of free time seem to have passed ________
A.
for ever
B.
by and by
C.
little by little
D.
in a flash
【单选题】The computer programs are a puzzle to me. The more I think of them, the more questions I think o
A.
22. The computer programs are a puzzle to me. The more I think of them, the more questions I think of . A．ask
B.
asked
C.
being asked
D.
to ask
【简答题】Today, when I think of my friend, I remember the way her face _____ when she saw the picture of33. Today, when I think of my friend, I remember the way her face _____ when she saw the picture of a dra...
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