ABCDEFGHIab cd(1)在上面元素周期表中全部是金属元素的区域为 。

题型:填空题

问题:

A  
B   CDEF 
G H   I 

a

 

     

b

 

       

c

 

 

d

 

 
                  
                  
          
(1)在上面元素周期表中全部是金属元素的区域为            

(A)a (B)b (C)c (D)d

(2)G元素与 E元素形成的化合物中阴阳离子个数比为1:1的物质的化学式是         ,

表格中九种元素的最高价氧化物对应的水化物中,碱性最强的化合物的电子式是       ,酸性最强的是         (用化合物的化学式表示,下同),属于两性氢氧化物的是         

(3)C、D、E、F四种元素中,气态氢化物稳定性最差的物质的空间结构为           

(4)G、H两元素相比较,金属性较强的是         (填名称),可以验证该结论的实验是      。(填编号)

(a)看那种原子失去的电子越多,金属性越强。

(b)将这两种元素的单质粉末分别和同浓度的盐酸反应

(c)将这两种元素的单质粉末分别和热水作用,并滴入酚酞溶液

(d)比较这两种元素的气态氢化物的稳定性

考点:构成物质的粒子—分子、原子、离子元素周期律
题型:填空题
完形填空。
       Do you have the ability to live cheaply? Now here's a true story of an American girl, Sarah.    1    Sarah left
university, she began to live in New York City on her own. She   2   a job in a publishing house, but the salary
(薪水) was   3   $30, 000 a year. Her parents thought her life would be hard, but Sarah   4   live on her salary
and still saved $5, 000 in a year. How was that   5   in one of the most expensive cities in the world?
       Cheap living   6   starts with keeping the big cost small. For most people, that   7   housing. So Sarah
chose to share a flat with three other friends. Her next biggest cost was   8  . When she ate out, she went to
cheap restaurants.   9   she bought a $9.99 whole chicken at a local restaurant. She then   10   the chicken bones
(骨头) home and made soup out of them. Nowadays young people often   11   a lot of money on entertainment
(娱乐). But Sarah said, "I enjoy walking   12   in New York City. I love going to museums and parks." Did Sarah
feel poor   13   cheap living? Not really. She even managed to take two trips, one to the Netherlands,   14   to
Portland. 
       "Don't think of saving money as something   15  . It's a kind of game," said Sarah.
( ) 1.A.Until    
( ) 2.A.found    
( ) 3.A.more than
( ) 4.A.can      
( ) 5.A.difficult
( ) 6.A.already  
( ) 7.A.helps    
( ) 8.A.food     
( ) 9.A.Soon     
( ) 10.A.prepared  
( ) 11.A.pay      
( ) 12.A.along    
( ) 13.A.by      
( ) 14.A.another  
( ) 15.A.hard     
B.Because    
B.tried       
B.less than    
B.may         
B.possible    
B.sometimes    
B.becomes        
B.rest        
B.Finally     
B.took         
B.lend        
B.up         
B.up         
B.the other   
B.interesting
C.After    
C.asked for 
C shorter than    
C.could             
C.useful   
C.hardly    
C.makes    
C.studying  
C.Once      
C.caught   
C.spend   
C.down       
C.at      
C.others   
C.nice     
D.Unless         
D.Iooked for     
D.higher than    
D.might          
D.different      
D.always         
D.means          
D.playing        
D.Again          
D.picked         
D.save           
D.around         
D.between        
D.the others     
D.great        
题型:填空题

理想实验是科学研究中的一种重要方法,它把可靠事实和理论思维结合起来,可以深刻地揭示自然规律。下列实验属于理想实验的是 (        )

A.探究加速度、力、质量关系的实验  

B.伽利略的斜面实验

C.用打点计时器测物体的加速度    

D.探究合力与分力的关系

题型:填空题

I’ll give it to Jim as soon as I ____him tomorrow.

A.saw

B.will see

C.see

D.have seen

题型:填空题

关于脑出血,最确切的诊断依据是()

A.60岁以上发病

B.均有偏瘫

C.脑脊液血性

D.突然偏瘫,头部CT见基底节区附近高密度影

E.均有脑膜刺激征

题型:填空题

县级以上行政划分的地名或者公众知晓的外国地名,可以作为商标。

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