一位同学用刻度尺先后三次测量一物体长度,各次测量结果分别是25.43cm、25.

题型:选择题

问题:

一位同学用刻度尺先后三次测量一物体长度,各次测量结果分别是25.43cm、25.45cm、25.46cm,则此物长应是

A.25.44cm

B.25.45cm

C.25.446cm

D.25.447cm

考点:长度的测量及刻度尺的使用时间的测量
题型:选择题
完形填空。

     Yesterday was my friend Kyra's birthday. He invited me to his birthday party.
Another friend, Guy, had offered to take me to the party by car.
     Well, I was getting dressed    1   Guy rang me and said he was ill, so I decided to go by train. Unluckily, while I was talking     2     the phone, the cat walked over my
clean shirt, so I had to spend a few minutes finding another one and I was  3    
leaving.
      As I was walking to the station it started snowing and I got very cold. I just    4  a train and I had to wait at the station for half an hour. When the train finally arrived I
was frozen. I was so cold and tired that during the journey I    5    and I missed my
station. Well, I got off at the next stop and decided to walk   6    to Kyra's house. I
walked for half an hour and then I realized I was   7    . Luckily I found a  8   and
telephoned for a taxi. When I finally arrived at Kyra's house it was  9   midnight and
people were going home. What a     10    evening!

( )1. A. then              
( )2. A. on                
( )3. A. ready            
( )4. A. got off          
( )5. A. enjoyed talking  
( )6. A. up                
( )7. A. tired            
( )8. A. phone            
( )9. A. even              
( )10.A. lovely            
B. when        
B. at          
B. happy      
B. caught      
B. fell asleep
B. forward    
B. hungry      
B. bus stop    
B. nearly      
B. frightening
C. and          
C. to          
C. late        
C. got on      
C. played cards
C. back        
C. sad          
C.road sign    
C. still        
C. terrible    
D. as        
D. about    
D. quick    
D. missed    
D. looked out
D. along    
D. lost      
D. taxi      
D. hardly    
D. cold      
   
题型:选择题

做面包时加入一些酵母菌,是因为酵母菌可以将面粉中的葡萄糖分解成(  )

A.酒精

B.酒精和二氧化碳

C.乳酸

D.麦芽糖

题型:选择题

现代服务业具有智力型、技术型、知识产权化和高附加值的特征。据统计,服务业每万元增加值的用电量、占有资本分别约为工业的15%和60010。这表明[ ]

①现代服务业成为了具有竞争力的支柱产业

②发展现代服务业有利于资源节约和环境保护

③发展现代服务业有利于推进产业结构的优化升级

④发展现代服务业能实现全面建设小康社会的目标  

A.①②  

B.①④  

C.②③  

D.③④

题型:选择题

SLE哪些项目可为阳性()。

A、血沉快

B、蛋白尿、血尿及管型

C、血清IgG升高

D、白细胞增多

E、白细胞减少

题型:选择题

地上敷设的优点是建设费用低,易于检修,不受土壤腐蚀。()

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