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【单选题】
除普通动物应排除的病原外，不携带对动物危害大和对科学研究于扰大的病原的动物是（）A.
普通级动物
B.
清洁动物
C.
无特定病原体动物
D.
无菌动物
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反馈参考答案：
举一反三
【简答题】从牙的剖面观察,可见牙由 、 、 、 四部分组成
【简答题】Need more evidence that London is a serious coffee town? Mr. Davies is actually England’s third consecutive world barista champion. The first was James Hoffmann, who started Square Mile Coffee Roaster...
【简答题】A 'good mixer' who enjoys social advantages over his more serious colleagues is capable of ______.
【单选题】According to Sandersons research, who is more likely to have an eating disorder?
A.
A woman who lacks a serious exercise regimen.
B.
A woman who incorrectly believes her peers are thinner than she is.
C.
A woman who does not attend a co-educational institution.
D.
A woman whose family has a history of eating disorders.
【单选题】Who is______, Alice or Sue? [ ]
A.
outgoing
B.
more athletic
C.
serious
D.
more expensive
【单选题】在pH=10的氨性缓冲液中以EDTA滴定Zn2+至150%处时
A.
pZn'只决定于lgK(ZnY)
B.
pZn'只决定于lgK'(ZnY)
C.
pZn'只决定于c(Y)
D.
pZn'与lgK'(ZnY)、c(Y)均有关
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