21．（單選）Red lights are used to disguise（）（本題1分）

• A、is old or fresh
  
  

• B、is made of cocoa
  
  

• C、your tasting
  
  

• D、after I taste each sample
  
  

• E、before I became a taster
  
  

• F、the appearance of chocolate
  
  

第六部分：完形補(bǔ)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(nèi)有一個詞，請根據(jù)短文內(nèi)容將其正確的形式填入文中，以恢復(fù)文章原貌，并將答案寫在答題紙相應(yīng)的位置上。

Ambition Can Lead to Success

Since his early years Reid had been thinking(think)of changing the world.As he grew 41________(old)he became interested in the Internet and the tech industry.At first, he started a social network.But 42________(fortunately)he faced big problems that forced him to stop.

One day Reid got an idea.It was to provide a 43________(solve) for people to pay online. They could use their emails instead of credit 44________(card). Reid called his idea PayPal. PayPal faced tough competition from large credit card companies.It was hardly 45________(profit), but after a long struggle,it became 46________(success).

Reid was not 47________(satisfy).He kept searching for the next big thing that can help him improve people's lives.One day he 48________(find) that people spend a lot of time 49________(look)for jobs online.So he decided to create a website that connects employers with job seekers and 50________(name) it LinkedIn.

12．（單選）Home exercise best fits ________.（本題2分）

• A、housewives  
  
  

• B、policewomen
  
  

• C、office workers
  
  

• D、school children