现今最大的天文望远镜—贵州平塘球面射电望远镜,其直径是()mA、200 B、300

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问题:

现今最大的天文望远镜—贵州平塘球面射电望远镜,其直径是()m

A、200

B、300

C、400

D、500

考点:贵州知识竞赛百万公众网络学习工程百万公众网络学习工程题库
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写出下列物质的名称或化学式:

名  称氮气红磷______氢氧化镁______
化学式______Al______FeO______CaCO3

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 完形填空
     The night started our ordinarily enough.Jack and Tara, our__1__, were in their small beds surrounded
by toy animals.My husband, Pat, and I went to sleep__2__.
     __3__after midnight, Jack quietly touched me."Mommy, I want to stay with you.I promise I won't
take much room." I shifted__4__to make room.My son soon fell asleep.
     An hour later, Tara cried and I carefully went downstairs."Mommy, my__5__is all stuffed up (堵住).
I can't really breathe very well.Will you please__6__with me a little while?" Tara doesn't often get up at
night, __7__I decided to be there for her.She soon fell asleep.I returned to my own bed.I was determined
to sleep.But to my__8__, I found Jack
sleeping on my side of the bed.He looked so__9__that I couldn't remove him.Quietly and carefully, I lay
down between__10__and Jack.
     I did manage to get some sleep__11__I heard Tara's voice again.I returned to__12__Tara."Mom,
please lie down with me a little bit.I had a bad dream, and I'm so__13__.""Of course, honey.It was only
a dream.Mommy's here and__14__is okay." We fell asleep__15__each other's arms.
    Even in my sleepy state, I thought of__16__these nights of merrygoround (一连串的繁忙活动) will
be over.In their place, my twins will be grown.__17__before I'm ready, our children's rooms will be much
too__18__and empty.So it is especially on days when I'm worn out after a night on this mom's
merrygoround that I remind__19__that these very days and nights are, in fact, "the good old days", ever
so__20__.
( )1. A. sons          
( )2. A. downstairs    
( )3. A. Sometimes  
( )4. A. gently      
( )5. A. nose        
( )6. A. come        
( )7. A. even though  
( )8. A. joy          
( )9. A.  friendly    
( )10. A. my father  
( )11. A. before  
( )12. A. show off  
( )13. A. scared    
( )14. A. something  
( )15. A. over      
( )16. A. how often  
( )17. A. No doubt  
( )18. A. noisy      
( )19. A. my children  
( )20. A. potential    
B. twins        
B. in          
B. Every time  
B. kindly      
B. mouth        
B. stay        
B. so          
B. anger        
B. heavy        
B. Tara        
B. when        
B. look after  
B. exciting    
B. anything    
B. on          
B. how soon    
B. No wonder    
B. quiet        
B. my husband  
B. precise      
C. daughters      
C. out          
C. Sometime      
C. rudely        
C. heart          
C. talk          
C. no matter when  
C. disappointment  
C. content      
C. Pat          
C. after          
C. watch out    
C. excited      
C. everything    
C. by          
C. how long    
C. No problem    
C. still          
C. my friend      
C. precious        
D. students          
D. upstairs          
D. Anytime          
D. impatiently      
D. eye              
D. play              
D. however          
D. surprise          
D. sad              
D. my mother        
D. while            
D. take care        
D. scaring          
D. nothing          
D. in                
D. how much          
D. No worry          
D. calm              
D. myself            
D. previous          
题型:单项选择题

发电机工作时将机械能转化为  能,电动机工作时电能转化为  能.

题型:单项选择题

二尖瓣狭窄时提示肺动脉高压的体征是()

A.开瓣音

B.心尖部舒张期杂音出现得晚

C.第一心音亢进

D.心界明显扩大

E.肺动脉瓣第二心音亢进、分裂

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