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【单选题】
育肥猪发生以呼吸道症状为主的疾病，咳嗽，体温不升高，部分病猪皮肤可能有苍白，生长缓慢。解剖病变为肺脏左右对称的肉变，其他器官无肉眼可见病变。此病可能是A.
猪肺疫
B.
猪萎缩性鼻炎
C.
猪繁殖与呼吸综合征
D.
猪支原体肺炎
E.
猪传染性胸膜肺炎
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参考解析：
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举一反三
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A.
Update Express CD
B.
Update Assistant
C.
Process Management
D.
Remote Deployment Manager
【单选题】某一具有快表的分页系统,其页表存放在主存中,假设对主存的一次存取需要1.5us,快表平均命中率为85%,若查找快表的时间忽略不计,则主存的平均存取时间是多少?
A.
1.5us
B.
1.725us
C.
3us
D.
1.275us
【单选题】Their latest CD is a(n) ____ of new and old songs.
A.
feature
B.
mixture
C.
adventure
D.
future
【单选题】判断门诊病人甲状腺功能亢进病情程度的最简单而主要的指标是（ ）。A．突眼的程度B．脉率和脉压C．体
A.
判断门诊病人甲状腺功能亢进病情程度的最简单而主要的指标是( )。 A.突眼的程度
B.
脉率和脉压
C.
体重减轻程度
D.
食欲亢进程度
E.
甲状腺增大程度
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A.
At a fashion show
B.
At an art exhibition
C.
At a musical performance
D.
At a record sale
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【单选题】Their latest CD is a(n) ____ of new and old songs.
A.
feature
B.
mixture
C.
adventure
D.
future