患犬，7岁，雌性，精神沉郁，喜卧，腹围增大，阴门红肿，阴道黏膜潮红，阴门不时流出难闻的少量红褐色分泌物。
本病最可能的诊断是（）
Although we already know a great deal about influenza, and although the World Health Organization is constantly collecting detailed information from its chain of influenza reference laboratories throughout the world, it is extremely difficult for epidemiologists (流行病专家), who study infectious disease, to predict when and where the next flu epidemic will occur, and how severe it will be.
There are three kinds of influenza virus, known as A, B and C. Influenza C virus is relatively stable and causes mild infections that do not spread far through the population. The A and B types are unstable, and are responsible for the epidemics that cause frequent concern. Following any virus attack, the human body builds up antibodies which confer immunity to that strain of virus, but a virus with the capacity to change its character is able to by-pass this protection. Variability is less developed in the influenza B virus, which affects only human beings. An influenza B virus may cause a
A. influence
B. attack
C. symptom
D. damage
| Fishing adds only about one percent to
the global economy, but on a regional basis it can contribute extremely to human
survival. Marine fisheries contribute more to the world’s supply of protein than
beef, poultry or any other animal source. Fishing typically does not need land ownership, and because it remains, generally, open to all, it is often the employer of last resort in the developing world—an occupation when there are no other choices. Worldwide, about 200 million people rely on fishing for their livelihoods. Within Southeast Asia alone, over five million people fish full-time. In northern Chile forty percent of the population lives off the ocean. In Newfoundland most employment came from fishing or servicing that industry—until the collapse of the cod fisheries in the early 1990s that left tens of thousands of peop A. increasing the annual catch B. creating more jobs C. getting greater fiscal profitability D. conserving natural resources [单选题]供水车的泵浦压力不得大于（）MPa。
A.1.9 B.1.5 C.1.3 D.2 [单项选择]（）是属于加重纳税人负担的措施。
A. 附加和加成 B. 减税 C. 免税 D. 规定起征点和免征额 [判断题]高炉生产的四种基本操作制度是送风制度、装料制度、造渣制度和热制度。
[单项选择]肠梗阻的四大共同表现是（）
A. 腹痛、肠型、呕吐、便闭 B. 腹痛、呕吐、腹胀、便闭 C. 便闭、腹痛、腹胀、肠音亢进 D. 便闭、腹痛、肠音减弱、腹胀 E. 腹痛、便闭、肠型、腹胀 [单选题]为确保光纤端面清洁，要求（ ）。空气也应当保持清洁
A.涂覆层去除干净 B.用高纯度酒精棉球擦或用超声波清洗液清洗光纤端面 C.对切割刀、V形槽都应当擦、洗清洁 D.包含以上三项 [判断题]在正线范围内（含车站）进行，不侵入轨行区亦不影响正线、配线行车及行车设备使用的施工为AB类。
改正：C1
A.正确 B.错误 [单项选择]观察病人面色时应首先注意区分
A. 主色与客色 B. 客色与病色 C. 常色与病色 D. 善色与恶色 E. 主色与病色 [单项选择]女，65岁，咳嗽、痰中带血，胸痛两个月，无明显发热。胸片发现，右下肺周边有一直径6cm的结节状阴影，首先应考虑为
A. 肺脓肿 B. 结核瘤 C. 周围型肺癌 D. 团块状矽结节 E. 转移性肺癌 [单选题]滑差电动机的转差离合器电枢是由( )拖动的。
A.测速发电机 B.工作机械 C.三相鼠笼式异步电动机 D.转差离合器的磁极 [单选题]硅整流交流发电机中改变输出电压大小的元件是()
A.硅二极管 B.转子 C.调节器 D.定子 [多选题]下列工作可用倒闸作业票的项目包括：（）。
A.检查接地线是否拆除; B.安装或拆除控制回路以及电压互感器回路的保险器; C.同一台开关柜内开关的单一拉、合操作; D.测量低压负荷电流和电压。 [单选题]《铁路技术管理规程》普速部分第370条规定，列车发生火灾、爆炸时，（）（停车地点应尽量避开特大桥梁、长大隧道等，选择便于旅客疏散的地点），车站不再向区间放行列车，并通知邻线及后续相关列车停车。
A.A、须立即停车 B.B、必须立即减速 C.C、可以立即停车 D.D、可不必立即停车 [单项选择]进出口邮包必须由寄件人填写（）向邮包寄达国海关电报。
A. 税单 B. 报关单 C. 进出境行李物品申报单 D. 运单 [多选题]起吊物件应绑扎牢固，若物件有棱角或特别光滑的部位时，在( )与绳索（吊带）接触处应加以包垫。
A.滑面 B.物件周围 C.物件表面 D.棱角 [多选题]空调机组有两套独立的空气系统，分别是（）。
A.客室空气处理系统 B.废排系统 C.电加热系统 D.冷凝器空气冷却系统 我来回答: 提交
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