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问题 单项选择题

放线菌生长时，对气体的要求是（）

A.专性需氧

B.专性厌氧

C.需加30%CO

D.微需氧或厌氧

E.兼性厌氧

答案

参考答案：D

解析：放线菌培养较困难，厌氧或微需氧，在有氧环境中一般不生长。

完形填空
完形填空。
     Miss Liu is our English teacher. Do you  1    her? And what does she   2      like? Let me   3     you.
She's of medium height, but a little  4       heavy. She has short, curly brown   5     . She always wears
a pair of _6     on her face. She is good-looking. We like her very much. She   7     to tell   8    , and she
is very   9      in our school. Do you want  10     her?

( )1. A. know    
( )2. A. /        
( )3. A. tell    
( )4. A. of      
( )5. A. hair    
( )6. A. glasses 
( )7. A. like    
( )8. A. text    
( )9. A. popular 
( )10 . A. knows  

B. see    
B. look  
B. talk  
B. kind of
B. beard  
B. socks  
B. likes  
B. test  
B. bad    
B. to know		C. become
C. looks  
C. say    
C. kind  
C. hand  
C. eyes  
C. liking
C. stories
C. lazy  
C. know   		D. call  
D. is    
D. speak  
D. bit    
D. foot  
D. ears  
D. love  
D. books  
D. badly  
D. knowing
 
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填空题
用方框内所给词的适当形式完成短文。
always, animal, home, they, can't, parent, stay, well, run, kind, best
     Many people like 1.           . Children like animals 2.           . Usually we can only see dogs, cats, ducks or
chickens around us. We 3.            see other animals such as elephants, tigers, pandas or monkeys. On Sunday, 4.           often take 5.            children to the zoo. How happy the children are!They 6.            from one place
to another. They give animals all 7.            of good food to eat. They 8.            there one hour after another.
They don't want to go 9.           . Children 10.            have a good time in the zoo.
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