The phrase "crop rotation" (Para. 3) probably means_____.

• A、growing high-yielding crops
  
  

• B、seasonal growing of crops
  
  

• C、planting soil-enriching crops
  
  

• D、regular changing of crops
  
  

第五部分：填词补文(第31～40题，每题1.5分，共15分)

　　下面的短文有10处空白，短文后列出12个词，其中10个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌，请将正确选项的字母写在答题卡上。

　　Smiles

　　A smile costs nothing but creates much. It enriches those who(31), without making those who give poor. It happens in a(32)and the memory of it sometimes lasts(33)None are so rich that they can get along without it, and none so(34)but are richer for its benefits.

　　It creates(35)in the home, and fosters good will in a business. It is rest to the weary(疲劳的), daylight to the(36)tired and sunshine to the sad. Yet it can't be bought, begged, borrowed, or stolen, for it is something that is no earthly good to anybody till it is given(37). And if in the last-minute rush of Christmas(38)some of our salespeople should be too(39)to give you a smile, may we(40)you to leave one of yours? For nobody needs a smile so much as those who have none left to give!

　（本题15分）

 

　　A.forever

　　B.away

　　C.happiness

　　D.satisfied

　　E.discouraged

　　F.flash

　　G.receive

　　H.tired

　　I.poor

　　J.enough

　　K.buying

　　L.ask

College teachers are often annoyed with students' high self- esteem

• A、True
  
  

• B、False
  
  

• C、Not Given