完形填空。 How can we stay healthy? One impor

题型:完形填空

问题:

完形填空。
    How can we stay healthy? One important rule is to exercise   1  . The Fang family try
to exercise every day. Lee Fang   2   exercise in the morning because he must be at his
job at exactly (精确地) seven o'clock. But he runs every evening. He would rather (宁愿)
run than watch TV. He walks a lot,   3  . He walks to school every day, and after school
he   4   basketball with his friends. Lee Fang goes to a yoga (瑜伽) class   5  .
    But it isn't   6   this way. Last year Mr. and Mrs. Fang used to   7   everywhere,
even to the drugstore (药房) two blocks away. They thought they had to use the car all
the time. They wouldn't walk.
    The Fangs all   8   better now. And they believe you mustn't be lazy. You   9   
exercise every day. But you should  10  to get in shape (形状) and stay in shape.
( )1. A.often        
( )2. A.may not      
( )3. A.either      
( )4. A.watches    
( )5. A.in two weeks   
( )6. A.always      
( )7. A.ride        
( )8. A.had          
( )9. A.needn't   
( )10. A.try       
B.sometimes      
B.can not        
B.also         
B.plays         
B.after two weeks  
B.seldom        
B.drive         
B.make         
B.don't       
B.want       
C.late       
C.would not     
C.too       
C.loves       
C.for two weeks   
C.usually    
C.fly         
C.feel     
C.won't have to
C.wish       
D.later           
D.should not          
D.again           
D.practices         
D.twice a week                                
D.sometimes       
D.walk                
D.feel like         
D.mustn't        
D.hope            
考点:健康环保类阅读
题型:完形填空

已知等差数列{an}的前n项和为Sn,a3=0,S4=-4.

(1)求数列{an}的通项公式;

(2)当n为何值时,Sn取得最小值.

题型:完形填空

绩效具有的特点有( )。

A.静止性

B.短暂性

C.多因性

D.动态性

E.多维性

题型:完形填空

如下图所示,是实验室制备某常见气体的实验装置,请填空:

(1) 该实验装置制备的常见气体是(填写化学式):      

(2) 制备该气体的化学方程式是:                    

(3) 收集该气体的方法是:                          

(4) 检验该气体是否收集满的方法是:

                                   

(5) 将充满该气体的试管倒立于水槽中,可以看到的现象是:

                                         

题型:完形填空

来自5m远的光线,经过调节静止的眼的屈光系统后,焦点落在视网膜之后,应称之为

A.远视

B.近视

C.正视

D.屈光参差

题型:完形填空

创建一个线程之后,通过调用该线程对象的______方法将潜入该线程的虚拟CPU置于可运行状态。

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