There is no more need for other renewable energy sources if the company makes the space based solar power work successfully.

• A、Right
  
  

• B、Wrong
  
  

• C、Not mentioned
   

Since higher education has become a seller 's market, the national goal to increase college attainment      .

• A、will be fulfilled in a short time
  
  

• B、will be difficult to achieve
  
  

• C、will draw more public concern
  
  

• D、will demand more financial input
  
  

第七部分:短文写作(第51题,30分)

51.请根据下列材料写一篇150 词左右的英语短文。

We cannot fail to notice that countless uncivilized behaviors exist in our daily lives, such as spitting, talking loudly, littering, saying nasty words in public places and so forth. What will you do in public?