完形填空。 "Fit for body, fit for study." is

题型:完形填空

问题:

完形填空。
    "Fit for body, fit for study." is an interesting exercise program of a high school. After 4:20 p.m. all
the students of the high school    1   on the playground to run for exercise.
     Every afternoon from Monday to Friday, one hour before supper the Students at school    2   the
playground to run for 40 minutes. The high school started the    3   last winter Why did the school do
so? When the winter came, many students were    4   to catch a cold or get sleepy during evening classes.
The school was worried about it and then they    5   upwiththe exercise program to make a change.
     Now most students prefer to   6   an active part in the program and benefit (受益) From it in the high
school.
     It gets my brain (大脑) active and makes me learn more, so I'm ready for    7   classes, said Li Lin in
Grade Three. 
     "I'm getting    8   now, so I don't get a cold in winter said Gao Lei in Grade Two.
     But some students were not    9   inthe program at first However MID months later, the program
worked well. Most students didn't get sleepy any more during evening classes-And   10   students got a
cold in winter. Actually, the program suited them just fine.
    Today all the students fall in love with the sport program. They run every-day to keep healthy for their
bodies and studies.
( )1.A.get to    
( )2.A.come to   
( )3.A.change    
( )4.A.possible  
( )5.A.put       
( )6.A.take      
( )7.A.morning   
( )8.A.confident     
( )9.A.excited   
( )10.A.few       
B.get on         
B.come on         
B.study           
B.easy           
B.came            
B.regard          
B.afternoon          
B.strong         
B.exciting        
B.a few         
C.get together      
C.come out           
C.display             
C.deep             
C.added               
C.join               
C .evening            
C.correct             
C.interesting      
C.a little        
D.get from        
D.come up             
D.program          
D.serious           
D.realized            
D.experience                      
D.noon               
D.warm                
D.interested      
D.little        
考点:科教类阅读
题型:完形填空

如图所示的各种自然现象的形成过程,属于凝华的是(  )

A.

春天里冰雪消融

B.

夏天的早晨花草上有露水

C.

深秋的早晨大雾弥漫

D.

初冬的早晨霜打枝头

题型:完形填空

哲学上的“两个对子”是 [ ]

①可知论和不可知论 ②一元论和二元论 ③唯物主义和唯心主义 ④辨证法和形而上学

A、①②

B、③④

C、①③

D、②③

题型:完形填空
用你喜欢的方法计算。
(1)827+145-891(2)1000-472-528
(3)1354-318-282(4)584-(284+145)
题型:完形填空
已知二项分布ξ~B(4,
1
2
)
,则该分布列的方差Dξ值为______.
题型:完形填空

某固体样品中除了含有在高温下不分解,也不与空气成分反应的物质外,还可能含有CaCO3、CaO中的一种或两种.某化学兴趣小组为探究该固体的成分,称量样品m1g,经高温充分煅烧并在干燥的保护气中冷却,至质量不再减轻为止,剩余固体的质量为m2g.下列推断不正确的是(  )

A.若m1=m2,则原样品中无CaCO3

B.若m2<m1,则原样品中一定有CaCO3

C.若

56m1
100
<m2<m1,则原样品中一定有CaO

D.若

56m1
100<m2<m1,则原样品中一定无CaO

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