摘要： The skin is the largest organ of your body of three layers; are essential to your body against diseases, poisons and the sun’s harmful rays or radiations. A. consisting; they; protecting B. consisting; which; protecting C. made up of; they; protect D. consisted; they; protecting

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The skin is the largest organ of your body ______of three layers; _______are essential to _____your body against diseases, poisons and the sun’s harmful rays or radiations.

A．consisting; they; protecting

B．consisting; which; protecting

C．made up of; they; protect

D．consisted; they; protecting

 

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The skin is the largest organ of your body ______of three layers;______are essential to ______your body against

diseases, poisons and the sun’s harmful rays or radiations.


  1. A.
    consisting; they; protecting
  2. B.
    consisting; which; protecting
  3. C.
    made up of; they; protect
  4. D.
    consisted; they; protecting
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The skin is the largest organ of your body ______of three layers; ______are essential to ____your body  against diseases, poisons and the sun's harmful rays or radiations.     
[     ]

A. consisting; they; protecting                  
B. consisting; which; protecting     
C. made up of; they; protect                    
D. consisted; they; protecting

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The skin is the largest organ of your body ______of three layers; _______are essential to _____your body against diseases, poisons and the sun’s harmful rays or radiations.

　 A. consisting; they; protecting　　　　　　　　 B. consisting; which; protecting

　 C. made up of; they; protect　　　　　　　　　 D. consisted; they; protecting

 

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