问题 选择题

下列关于植物激素的叙述,错误的是[ ]

A.赤霉素能促进细胞的伸长

B.生长素只能促进植株的生长

C.乙烯是一种气体激素

D.脱落酸能抑制细胞分裂

答案

答案:B

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完形填空。
     Mr Smith was having trouble with his stomach,  1  he went to see a doctor. The doctor 
 2  his stomach carefully but couldn't find any problem. Then he said, "Well, Mr Smith, take it easy.
There is  3  serious. Stop smoking and then you will be all right very  4  ."
     "But doctor," answered Mr Smith,  "I   5 . I don't like smoking at all." "Oh, I see," said the doctor,"
then stop   6   wine from now on."
      "But I don't drink wine," answered Mr Smith.
      "Don't drink  7  tea or coffee then," the doctor said to him.
      "I _8   drink water," answered Mr Smith, "I don't like tea or coffee."
     The doctor _9_ for a while and then said," Well, what do you like to eat then?"
      "Potatoes! I like potatoes very much." Mr Johnson answered at once.
      "All right, Then stop   10   potatoes." Said the doctor as he got up to say goodbye to Mr Smith.
( )1. A. so          
( )2. A. look for    
( )3. A. anything    
( )4. A. early      
( )5. A. often smoked
( )6. A. drink      
( )7. A. any        
( )8. A. never      
( )9. A. thinks      
( )10. A. cutting    
B. but        
B. look at    
B. something  
B. soon        
B. never smoked
B. drinking    
B. many        
B. only        
B. thought    
B. buying      
C. or          
C. look over    
C. nothing      
C. late        
C. always smoked
C. to drink    
C. some        
C. don't      
C. is thinking  
C. washing      
D. for          
D. look after    
D. everything    
D. much          
D. usually smoked
D. drank        
D. a few        
D. hardly        
D. think        
D. eating                      
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