把95表示成13个不同自然数的和,这样的表示方法共有______种.

题型:填空题

问题:

把95表示成13个不同自然数的和,这样的表示方法共有______种.

考点:排列与组合
题型:填空题

自中药中提取总皂苷的方法有()

A.水提取,丙酮沉淀法

B.乙醇提取,正丁醇萃取法

C.甲醇提取,丙酮沉淀法

D.乙醇提取,乙醚沉淀法

E.乙醇提取,醋酸乙酯萃取法

题型:填空题
完形填空
     I was enjoying a salad at an outdoor caf? when a homeless lady came over.She was yelling and
__1__ everyone who walked past her for spare change.My instant __2__ was fear and I hoped she
wouldn't come near me, but she did.I was on the phone and when she came, I said politely, "I'm on
the phone, "in the __3__ way I could, assuring (确信) myself what she __4__ was a lesson in manners.
She walked away, saying, "I'm __5__ you.I'm sorry.I'll leave."And she turned the corner and
disappeared.
     Normally, I would feel relieved or __6__, but something in me couldn't rest.Without another thought,
I started searching through my entire wallet, the pockets, everything-for all of the __7__ I could possibly
fin d.
      I caught up with the lady and said, "This is all I have."I __8__ and gave her all I had.She held my
hand and said, "Thank you!Thank you!"Her hand was rough and dirty, but I did not __9__ holding it.
She looked at me, saying, "Will you __10__ my face?"And for some reason, I did.I reached up and
put my hand on her __11__ and she started to cry.I could sense it was as if she had not been touched
by a loving, soft hand in __12__, so I held it there, trying to __13__ her with my heart open.It was
__14__.
     After a few moments I took my hand away.I said, "Take care of yourself.You will be OK.Be careful.
"She thanked me, and walked away __15__.She wasn't begging any more, and I walked away with an
open heart, trying to make sense of what had just happened.
( )1. A. seeking    
( )2. A. expression  
( )3. A. nicest  
( )4. A. wanted  
( )5. A. annoying  
( )6. A. surprised  
( )7. A. money
( )8. A. went out  
( )9. A. allow
( )10. A. watch  
( )11. A. cheek  
( )12. A. days
( )13. A. help
( )14. A. sad  
( )15. A. responsibly  
B. attracting  
B. reaction    
B. strangest    
B. needed      
B. hurting      
B. interested  
B. people      
B. sat down    
B. mind        
B. wash        
B. shoulder    
B. ages        
B. encourage    
B. serious      
B. angrily      
C. inviting  
C. donation  
C. coolest  
C. reminded  
C. supporting  
C. satisfied  
C. cloth  
C. reached out  
C. consider  
C. touch  
C. finger  
C. hours
C. save  
C. powerful  
C. carefully  
 D. begging      
D. devotion    
D. bravest      
D. instructed  
D. following    
D. excited      
D. material    
D. gave in      
D. remember     
D. kiss        
D. back         
D. minutes      
D. comfort      
D. formal      
D. quietly     
题型:填空题

患者男性,6岁,今日开始较频腹泻,水样便,继之呕吐,但无腹痛及里急后痛,不发热,口渴,腓肠肌疼痛,查体:T36℃,脱水,出气较凉,呼吸平稳,心肺正常,腹平软、无压痛,四肢微凉。血WBC20×10/L,便常规检查WBC0~2/HP,大便革兰染色有革兰阴性菌,悬滴法见运动快的细菌。

患者经治疗后脱水纠正,症状明显好转,但反见体温上升,T 38.6℃,此发热最可能因为()

A.再感染

B.二重感染

C.复发

D.药物所致

E.肠毒素被吸收入血循环

题型:填空题

解热镇痛抗炎药的解热作用机制为

A.抑制外周PG合成

B.抑制中枢PG合成

C.抑制中枢IL-1合成

D.抑制外周IL-1合成

E.以上都不是

题型:填空题

取罐装烃样品时,要求岩样(岩屑和钻井液)占80%,然后加(),再预留空间至瓶口1~2cm。

A.氯仿

B.蒸馏水

C.清水

D.饱和盐水

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