题目内容
某猪场的一批5月龄育肥猪，体温和食欲正常，但生长缓慢，个体大小不一；经常出现咳嗽、气喘等症状。剖检见肺部尖叶、心叶、膈叶前缘呈双侧对称性肉变，其他器官未见异常 该病最可能的病原是______
查看答案
搜索结果不匹配？点我反馈
更多问题
某规模化种猪场怀孕母猪出现体温升高，食欲不振，产弱仔，死胎率达60%；哺乳仔猪体温升高至40℃以上，呼吸闲难，耳朵发紫，眼结膜炎，3周内死亡率达70% 该病最可能是______
Data processing is a series of operations carried out on data to get information. 1 series of operations is also called the data processing cycle. Data are a group of facts called the input (输入). The data may be numbers, letters, or symbols 2 may or may not be related. The information is the end, result or the output. Information is data that have been processed. It is 3 a brief, usable form. The operations are performed with different tools. A computer is 4 kind of data processing tool. The brain is also a data processing tool.The brain is like a small, personal computer that controls all bodily and mental 5 . Data, or input, enter the brain through the senses (sight, smell, touch, taste and hearing). The data are 6 by the brain, and the result is information. The information or output may cause physical and mental reactions such as body movements, decisions, or ideas.How does the brain tell an apple 7 an orange If the brain could not process data, this would not be possible. Apples and oranges differ in looks, feel, smell, and taste. The brain can tell these differences. The 8 in input help the brain to decide which is the apple and which is the orange. There are three levels of processing data. 9 level uses different tools. Some levels require less human effort than others. The three levels are manual data processing, electromechanical data processing and electronic data processing. In manual data processing, the brain, hands, and simple tools such as pencils and paper 10 . Electromechanical data processing uses electrically operated machines. Examples of the types of machines which are used are desk calculators and typewriters. Electronic data processing uses electronic computers that process data at a very high speed.
Directions: You are to write in no less than 120 words about the title "Should National Holidays Be Longer". Your composition should be based on the Chinese outline given below: 1．近年来，我国法定节假日得到了延长； 2．谈谈你对这一现象的看法。
Balloons float in the air ______ boats do on the sea.
微信支付 
支付宝支付