21. Reports say that the walkers are mostly from（）

• A、we divide a 30-minute walk into 3 parts
  
  

• B、our in activeness
  
  

• C、we may like to try a longer one
  
  

• D、big cities in America
  
  

• E、a daily 30-minute quick walk
  
  

• F、a face-to-face talk
  
  

19. Paragraph 4:

• A、The key to walking is getting started.
  
  

• B、Walking is the first step to making changes.
  
  

• C、The advantage of walking is its simplicity.
  
  

• D、Walking is a great way for health improvement.
  
  

• E、More Americans take up walking than before.
  
  

• F、Modern lifestyle affects our health negatively.
  
  

第六部分:完形補文（第41~50題，每題1.5分，共15分)

下面的短文有10處空白，每處空白后的括號內有一個詞，請根據短文內容將其正確的形式填入文中，以恢復文章原貌，并將答案寫在答題紙相應的位置上。

Interlaken, Switzerland

The sound of cow bells ringing across Interlaken's grassland is comforting (comfort).Climbing up the nearby mountains is also _ 41 _ (enjoy). So is skiing down them. The town of Interlaken is _ 42 _ (locate) in a beautiful setting between two lakes. It is also close to the  43_ (mountain) villages. The outdoor possibilities are  44 _ (end) around Interlaken in summer and winter.They range from sailing,skiing,to climbing or just  45 _ (relax) in a pool. People can enjoy boating in the summer.They can also take  46 _ (please) in skiing in the winter. This place is a perfect choice for people if they like ice climbing or _ 47__(roll) down a hill inside a ball. It meets  48  (near)everyone's needs.

Foreigners are not allowed to buy  49_ (house) in Interlaken.But they can buy one in nearby villages. Many  50 _ (retire) people consider Interlaken a great place to settle around.