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【单选题】
关于传染性造血器官坏死病病原的实验室诊断的叙述正确的是( )。A.
只有PCR和嵌套式PCR都扩展出带来阳性
B.
PCR无带但嵌套式PCR有带可判为阳性
C.
PCR有带但嵌套式PCR无带可判为阳性
D.
无临床症状但PCR和嵌套式PCR均有带,不可判为患有该病
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举一反三
【单选题】It was _______ she was injured in the accident _______ she didn’t come to the party yesterday.
A.
as; which
B.
because; that
C.
since; why
D.
for; that
【单选题】¿Cuál es la religión oficial de España?
A.
Es un estado aconfesional
B.
La religión católica
C.
La religión ortodoxa
D.
La religión cristiana
【简答题】(reveal, novelty, dispute, immune, inspire, extract, substance, incite, reconcile, consult) 2. 这种青霉素非常罕见,能够产生大量抗菌物质。 It was a rare type extraordinarily productive in antibacterial ________.
【简答题】There are three things which the public will always ______(强烈要求) for, namely , novelty, novelty, novelty.
【单选题】The asocial personality of Americans may stem from ______.
A.
the absence of a common religion and ancestry
B.
the multiracial constituents of the US society
C.
the want of a shared myths they possess in life
D.
the counterbalance to narcissistic personality
【单选题】I couldn't imagine ________ difficult it was for these badly injured victims to make it to the hospital.
A.
when
B.
how
C.
what
D.
where
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