淡水成鱼养殖阶段危害最严重的疾病是() A.爆发性流行病 B.九江头槽绦虫病 C.淋

题型:单项选择题

问题:

淡水成鱼养殖阶段危害最严重的疾病是()

A.爆发性流行病

B.九江头槽绦虫病

C.淋巴囊肿病

D.车轮虫病

考点:水产动物疾病学水产动物疾病学题库
题型:单项选择题
完形填空。
     We got over 1,000 __1__, faxes, and e-mails from our readers about their New Year's resolutions.
Thank you! Many readers are going to work __2__ in school this year. Lots of readers are going to
__3__. Some readers said they were going to eat __4__ vegetables. A few readers __5__ they were
going to learn a new language.
     Some __6__ said they were going to exercise more to keep fit. Some __7__ said they were going to
study the subjects their children learn at school. They said they __8__ to communicate better with their
kids. An old lady said she found a job __9__ a foreign language teacher. She is going to __10__ a teaching
job in China next year.
(    )1. A. stamps      
(    )2. A. hard        
(    )3. A. play sports    
(    )4. A. many        
(    )5. A. say        
(    )6. A. girls        
(    )7. A. fathers      
(    )8. A. want        
(    )9. A. like        
(    )10. A. look for      
B. fruits        
B. harder        
B. play games      
B. more          
B. says          
B. boys          
B. mothers          
B. wanted          
B. as          
B. look at        
C. letters  
C. hardest  
C. play with
C. a little
C. said    
C. men      
C. parents  
C. wants    
C. for      
C. find    
题型:单项选择题
函数y=
1
2
x+1
与函数y=ax+6相交于点A(4,c),则a=______.
题型:单项选择题

草地沙化主要表现在哪些方面?

题型:单项选择题

致病力最弱的脑膜炎双球菌为()

A.A群

B.B群

C.C群

D.Y群

E.W-135群

题型:单项选择题

前列增生症鉴别诊断下列哪项无意义

A.前列腺癌和膀胱癌

B.神经源性膀胱

C.膀胱颈硬化

D.前列腺炎

E. * * 狭窄

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