皮皮学，免费搜题
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【单选题】
养殖场6 岁,原性欲旺盛,配种繁殖率高,近来日见形体瘦弱,腰胯无力,低热,口干,性欲下降,粪干尿少,舌红苔少,脉细数在脑炎流行地区,脑炎病毒的主要增殖宿主和传染源是()A.
猪
B.
马
C.
人
D.
蚊
E.
犬
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参考解析：
知识点：
皮皮学刷刷变学霸
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【单选题】Betty is a schoolgirl. She is in her fifth year. She gets up at six. She has breakfast at a quarter past six and then goes to school. She has three or four classes in the morning. Then she comes home ...
A.
True
B.
False
【简答题】对于气开式气动薄膜调节阀,当输入的控制信号增大时,调节阀开度 。
【单选题】---Is she at home or at the office now? ---
A.
Yes, she is.
B.
No, she isn't.
C.
She is at the office.