下列计算正确的是( ) A.(a2)3=a5 B.a6÷a3=a2 C.a2+a

题型:选择题

问题:

下列计算正确的是(  )

A.(a23=a5

B.a6÷a3=a2

C.a2+a2=a4

D.a2•a4=a6

考点:有理数除法
题型:选择题
完形填空。
     The ringing of the phone runs through my head,telling me someone needs help.I pick it up
and __1__ the routine,"Teen Lifeline,this is Amber." About 45 minutes later I hang up,feeling
pleased because I've __2__ another teen.Volunteering at Teen Lifeline has helped me realize
how to deal with my own __3__ and help others.
     "My mom is always fighting with me.I want to run away." Some teens feel their __4__ is
a prison,rather than a place of shelter and safety.They feel parents are only there to make their
lives __5___.We try to help the teens realize the danger they could be in __6__ giving them
advice.All we can do is to ask questions.We also try to__7__ where the teens would go and
how they would survive.We give them a phone number if they __8__ don't want to live in their
"prison".
     "I don't want to __9__ any more" is something we hear,and suicide (自杀) calls are some of
the hardest to __10__.We try to discover why they want to take their lives and how __11__
they are by asking them to rate it on a scale of one to ten.One means they are __12__ suicide
but haven't decided how,and ten means they are always thinking about it and have a __13__.
We ask them to make a promise that they will not hurt __14__.And sometimes we ask for their
telephone numbers __15__ we can call back to make sure that they are okay.
     Although many calls are about relatively __16__ problems,volunteering at Teen Lifeline has
helped me realize I'm not the __17__ person with problems,and has taught me how to __18__
with my heart.I have made a __19__ and saved many lives-possibly even my own,__20__.
( )1.A.set  
( )2.A.contacted  
( )3.A.decisions  
( )4.A.home  
( )5.A.simple    
( )6.A.for    
( )7.A.insist on  
( )8.A.even    
( )9.A.study    
( )10.A.carry out  
( )11.A.serious    
( )12.A.accepting  
( )13.A.question  
( )14.A.the other  
( )15.A.in case    
( )16.A.small  
( )17.A.very    
( )18.A.listen    
( )19.A.decision  
( )20.A.however    
B.start      
B.known      
B.opinions   
B.school     
B.unusual    
B.by        
B.advise on  
B.still      
B.live      
B.find out   
B.curious    
B.objecting  
B.doubt      
B.the rest   
B.so that    
B.important  
B.only       
B.see        
B.choice     
B.though    
C.change  
C.helped  
C.disadvantages
C.bedroom  
C.terrible    
C.besides    
C.find out    
C.almost    
C.call    
C.believe in  
C.nervous    
C.considering  
C.purpose    
C.themselves  
C.if    
C.normal    
C.exact    
C.learn    
C.promise    
C.instead    
D.stop          
D.forgiven      
D.problems      
D.classroom    
D.happy        
D.without      
D.set aside    
D.mostly        
D.listen        
D.deal with    
D.ashamed      
D.performing    
D.plan          
D.ourselves    
D.when          
D.typic al      
D.possible      
D.write        
D.difference    
D.too          
题型:选择题

有关精神自动综合征分类不包括下列哪项()

A.运动性精神自动症

B.联想性精神自动症

C.内感不适性精神自动症

D.假性幻觉性回忆

E.否定妄想和虚无妄想

题型:选择题

咀嚼时前磨牙的主要功能是().

A.撕裂食物

B.捣碎食物

C.磨细食物

D.切割食物

E.固定食物

题型:选择题

下列文学常识的表述不正确的一项是( )o

A.话本产生于南宋,是说话艺人讲说故事的底本,它是适应都市的繁荣和市民阶层的需要而产生的
B.拟话本是模拟话本而作的小说,其名最初见于鲁迅的《中国小说史略》,著名的作品有冯梦龙的“三言”和凌蒙初的“二拍”
C.冯梦龙的“三言”又称“古今小说”,它包括《喻世明言》《警世通言》《醒世恒言》
D.起源于宋元说话的章回小说,以分回标目为主要特点,盛行于明清两代,是我国古代长篇小说的主要形式

题型:选择题

胀形的极限变形程度,主要取决于材料的()。

A.刚性

B.强度

C.硬度

D.塑性

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