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【单选题】
主要侵犯中枢神经系统引起疾病的病毒是A.
流行性乙型脑炎病毒、麻疹病毒、腮腺炎病毒
B.
狂犬病毒、病毒、乙型肝炎病毒
C.
流行性乙型脑炎病毒、流感病毒、疱疹病毒
D.
流行性乙型脑炎病毒、狂犬病毒、脊髓灰质炎病毒
E.
狂犬病毒、脊髓灰质炎病毒、鼻病毒
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【单选题】They had great fun ________． on the beach last Sunday．
A.
play games
B.
to play games
C.
playing games
D.
played games
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A.
have, listening to
B.
had, listening to
C.
have, hear
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A.
where
B.
how
C.
when
D.
why
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A.
flying
B.
to fly
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fly
D.
flied
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A.
have
B.
had
C.
having
D.
to have
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A.
played
B.
playing
C.
to play
D.
play
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