病猪出现面部变形和“泪斑”，最有可能的传染病是 A．猪支原体肺炎 B．副猪嗜血杆菌
题型：单项选择题
问题：
病猪出现面部变形和“泪斑”，最有可能的传染病是
A．猪支原体肺炎
B．副猪嗜血杆菌病猪
C．传染性胸膜肺炎
D．猪传染性萎缩性鼻炎
E．猪繁殖与呼吸综合症
题型：单项选择题
根据对话填写数字。
A: Hello, Amy. How many apples are there on the table?
B: Twelve. Hi, Sarah. How many flowers are there?
A: Twenty. I have six oranges. How many ants are there on the floor?
B: Wow! There are thirty.
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