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mytrang2k123
2 năm trước
How do vitamins influence health?
A.They are necessary for some enzymes to function.
B.They protect the body from microbes. 
C.They keep food from spoiling.
D.They are broken down by cells to produce energy.
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Các câu hỏi liên quan

 Read and circle the best option (A, B, C or D) for each space to complete the passage. Write your answers in the box below.  (10 pts)
 
The combination of music and study has long has long been a source of disagreement between adults and children. Parents and teachers alike maintain that silence is important when learning, (1)                                 youngsters insist that their favourite sounds help them concentrate.
 
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Dr Randall  claimed  the research (8)                 that the idea that music could improve     performance was wrong.  “Writing  an  essay is complex (9)                 . You are recalling information and putting it in (10)
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(3) _____________
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 Read and circle the best option (A, B, C or D) for each space to complete the passage. Write your answers in the box below.  (10 pts)
 
The combination of music and study has long has long been a source of disagreement between adults and children. Parents and teachers alike maintain that silence is important when learning, (1)                                 youngsters insist that their favourite sounds help them concentrate.
 
Now a study shows that the grown-ups have    been (2)                all along. Psychologists in  Florida tested how fast students wrote essays with and without music in the background. They found that the sounds (3)
               progress down by about sixty words per hour. “This demonstrates clearly that it is difficult to   (4)
               with listening and writing at the same time,” said Dr Sarah Randall. She   also (5)                 to the conclusion that it is a myth that instrumental music is less distracting than vocals. “All types of music (6)
               the same effect,” she said in her report. “One’s ability to pay attention and write fluently is likely to be (7)                     by both vocal and instrumental music,” she added.
 
Dr Randall  claimed  the research (8)                 that the idea that music could improve     performance was wrong.  “Writing  an  essay is complex (9)                 . You are recalling information and putting it in (10)
              . An  additional stimulus  in  the form  of music is  bound  to  distract.  But  music is  not    the only distractor. What is particularly worrying is that more and more teenagers are studying in front of the television.”
(2) _____________
A.precise  
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 Read and circle the best option (A, B, C or D) for each space to complete the passage. Write your answers in the box below.  (10 pts)
 
The combination of music and study has long has long been a source of disagreement between adults and children. Parents and teachers alike maintain that silence is important when learning, (1)                                 youngsters insist that their favourite sounds help them concentrate.
 
Now a study shows that the grown-ups have    been (2)                all along. Psychologists in  Florida tested how fast students wrote essays with and without music in the background. They found that the sounds (3)
               progress down by about sixty words per hour. “This demonstrates clearly that it is difficult to   (4)
               with listening and writing at the same time,” said Dr Sarah Randall. She   also (5)                 to the conclusion that it is a myth that instrumental music is less distracting than vocals. “All types of music (6)
               the same effect,” she said in her report. “One’s ability to pay attention and write fluently is likely to be (7)                     by both vocal and instrumental music,” she added.
 
Dr Randall  claimed  the research (8)                 that the idea that music could improve     performance was wrong.  “Writing  an  essay is complex (9)                 . You are recalling information and putting it in (10)
              . An  additional stimulus  in  the form  of music is  bound  to  distract.  But  music is  not    the only distractor. What is particularly worrying is that more and more teenagers are studying in front of the television.”
(1) _____________
A.whereas           
B.unlike          
C.besides        
D.despite

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