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【单选题】
山羊,2 岁,体温 41°C以上,流脓性鼻液,咳嗽,呼吸困难,水样腹泻。发病率和病 死率均高。剖检见口鼻黏膜糜烂坏死,结肠近端和直肠黏膜有斑马纹样出血。该病病原属于 (2019真题158)A.
正黏病毒
B.
副黏病毒
C.
弹性病毒
D.
朊病毒
E.
革兰阴性杆菌
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举一反三
【单选题】I'm not sure of the exact number of the audience , but ________ speaking , I would say there are 1,500 or so.
A.
honestly
B.
roughly
C.
properly
D.
strictly
【单选题】I'm not sure about the meaning of the word. You'd better _____ in a dictionary .
A.
look up it
B.
look it up
C.
look it for
D.
look for it
【单选题】I'm not sure about the meaning of the word. You'd better look it up in a . [ ]
A.
letter
B.
dictionary
C.
postcard
D.
notice
【单选题】I'm not sure of the exact number, but the ________ cost of this type of computer ranges from around $800 to $1000.
A.
present
B.
bare
C.
direct
D.
approximate
【简答题】I'm not sure of the exact number, but the __________ cost of this type of computer ranges from around $800 to $1000.(approximately)
【简答题】请按顺序按提示填写非重读的单词。 I'm not sure of the number.(3个非重读单词)
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