Light and shadow (影子) are friends. They usually go together. We receive light every day. __________1.________________

  Light cannot shine through you. ___________2.________________ There is a spot(斑點) on the ground next to you. The light cannot reach the dark spot. This is your shadow. 

  ______________3._____________Your body stops very little light from reaching the ground. So your shadow is quite short.  

  But in early morning or late afternoon the sun is low in the sky. The light moves over more of your body. ___________4._________________ Your body keeps a lot of light from reaching the ground. 

   We love light, especially sunlight. _____________5.______________Most of us like to stand in the shadow of a tree in summer. But some people are afraid of their own shadow at night. They do not want to walk in a dark street. They do not want to see the shadow, either. But still light and shadow usually go together.

 

【答案】

 

1.B

2.E

3.D

4.A

5.C

【解析】略

 

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