(6分)一物体沿固定斜面从静止开始向下运动,经过时间滑至斜面底端.已知在物体运动

题型:选择题

问题:

(6分)一物体沿固定斜面从静止开始向下运动,经过时间滑至斜面底端.已知在物体运动过程中物体所受的摩擦力恒定.题10图1中描述的是物体运动过程中,物体的物理量与时间的关系图,横坐标表示运动的时间,则纵坐标可能表示的是

A.物体所受的合外力

B.物体的速度

C.物体的重力势能

D.物体的机械能

考点:匀变速直线运动
题型:选择题

脾阳不足的阳虚便血证,治宜选用()

A.理中丸

B.黄土汤

C.四物汤

D.归脾汤

E.苓桂术甘汤

题型:选择题
完形填空。
     Long, long ago, after a young woman finished her housework, she went to her grandmother and told
her about her life and how things were so hard for her. She didn't know how she was going to   1   it and
wanted to give up. She was   2   fighting and struggling . It seemed as one    3   was solved, a new one
would appear.
     Her grandmother took her to the  4  . She filled 3 pots with water and placed each on a high fire, and
soon the pots came to   5  . In the first pot, she placed carrots, in the second, she placed    6  , and in the
last she placed ground (被碾成粉末状的) coffee beans. She let them sit and boil. In about 20 minutes she
turned off the   7   and placed them in a separate bowl.
  8    to her grandmother, she asked, "Tell me what you see."
     "Carrots, eggs, and coffee." She   9  . Her grandmother brought her closer and asked her to feel the
carrots. She did and noticed that they were   10  . The grandmother then asked the granddaughter to take
an egg and   11   it. After pulling off the shell, she observed the hard boiled egg.   12   , the grandmother
asked the granddaughter to   13   the coffee. The granddaughter smiled as she tasted its rich smell then
asked, "What does it mean, grandmother?"
     Her grandmother   14   that each of these objects had faced the same adversity (逆境) , boiling water.
Each responded   15   . The carrot went in strong and hard, however, after   16   the boiling water, it
softened and became weak. The egg had been easily broken. Its thin outer shell had protected its liquid
interior (内部) ,  17   after sitting through the boiling water, its  18  became hardened. The ground coffee
beans were unique,   19 . After they were in the boiling   20 , they had changed the water.
     "Which are you?" she asked her granddaughter.
( )1. A. bring    
( )2. A. tired of  
( )3. A. question  
( )4. A. bedroom  
( )5. A. boil      
( )6. A. coffee    
( )7. A. doors    
( )8. A. Driving  
( )9. A. replied  
( )10. A. hard    
( )11. A. fry      
( )12. A. Sadly    
( )13. A. cool    
( )14. A. explained
( )15. A. simply  
( )16. A. beating  
( )17. A. or      
( )18. A. dish    
( )19. A. still    
( )20. A. water    
B. pour      
B. absent from
B. problem    
B. study      
B. stop      
B. eggs      
B. lights    
B. Running    
B. wrote      
B. soft      
B. eat        
B. Fortunately
B. taste      
B. instructed
B. slowly    
B. reducing  
B. so        
B. part      
B. however    
B. oil        
C. make        
C. curious about
C. reality      
C. restaurant  
C. burn        
C. peers        
C. burners      
C. Referring    
C. found        
C. fresh        
C. break        
C. Therefore    
C. empty        
C. shouted      
C. similarly    
C. experiencing
C. and          
C. inside      
C. thus        
C. steel       
D. help          
D. exciting about
D. chance        
D. kitchen        
D. rise          
D. bowels        
D. taps(水龙头)  
D. Turning        
D. asked          
D. pretty        
D. sell          
D. Finally        
D. mix            
D. meant          
D. differently    
D. supplying      
D. but            
D. outside        
D. too            
D. sand          
题型:选择题

高选择性胃迷走神经切断术的要点是()。

A.不切断胃窦部位的迷走神经支

B.保留迷走神经左主干

C.保留迷走神经右主干

D.保留胃的壁细胞的迷走神经分支

E.不切断迷走神经的肝、胆支

题型:选择题

对流过热器出口蒸汽温度随负荷增大而升高。

题型:选择题

表达式3.6-5/2+1.2+5%2的值是______。
(A) 4.3
(B) 4.8
(C) 3.3
(D) 3.8

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