皮皮学，免费搜题
登录
搜题
【单选题】
某猪场断奶仔猪和保育猪出现发病,主要表现为体温40~42.5°C,食欲下降,厌食,反应迟钝,呼吸困难,咳嗽,腹式呼吸,关节肿胀,跛行甚至瘫痪,背粗乱,苍白贫血,眼睑周围皮下水肿,眼结膜变红,耳部皮下、腹部皮下水肿,耳尖发紫,耳朵、四肢内测发绀,背部孔有针尖样出血,两后腿之间腹部皮肤有大量蓝紫色斑点。发病后慢性经过,通常发病2~5d后出现死亡,个别猪突然死亡,临死前侧卧或四肢呈划水样。剖检可见多发性纤维素性或浆液性脑膜炎、胸膜炎、心肌炎、腹膜炎、关节炎、间质性肺炎、心包炎,形成“绒心”典型症状(病程较长时),腹腔内有大量黄色积液。该病可能是A.
猪肺疫
B.
猪丹毒
C.
猪传染性胸膜肺炎
D.
副猪嗜血杆菌病
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】We assume that A is large, which it must be for a well-designed circuit(电路).
【多选题】for single large plane wall, we commonly assume the heat conduction meets the following conditions .
A.
Steady state
B.
One-dimention
C.
Constant thermal conductivity
D.
No heat generation
【多选题】For single large plane wall, we commonly assume the heat conduction meets the following conditions .
A.
Steady state
B.
One-dimention
C.
Constant thermal conductivity
D.
No heat generation
【简答题】欲将100 mL 0．10 mol·L-1 HCl溶液的pH值从1．00增加至4．44时，需加入固体醋酸钠(NaAc)多少克(不考虑加入NaAc后溶液体积的变化)? [Mr(NaAc)=82．0，pKHAe=4．74]
【单选题】You can assume that if all the females in a large pack had pups, ______.
A.
only the father would help feed them
B.
lions would find and kill them
C.
the mothers would fight each other
D.
most of the pups would starve
【多选题】For multi-layer large plane wall, we commonly assume the heat conduction meets the following conditions .
A.
Constant thermal conductivity.
B.
No heat generation.
C.
One-dimention and steady-state
D.
Perfect interface contact
相关题目：
参考解析：
知识点：
题目纠错 0
发布
