2£®Bryan Jaycox opened The Build ShopLLC to       £®

    A£®sell 3D printers and different kinds of tools

    B£®produce all types of printing machines

    C£®offer 3D printing classes and services   :

    D£®design different types of 3D printers

3£®According to Ki Chong Tran, 3D printing        £®

      A£®is now widely used in Cambodia

      B£®will change our daily life completely

      C£®has a huge market potential in Cambodia

   D£®is useless for developing countries

4£®In Mr Jaycox's opinion, within five years 3D printing will       £®

   A£®make it easier to do business

   B£®be accessible to all consumers

   C£®change the way of social contact£¨½»Íù£©

   D£®bring about more profits to the sellers

5£®How will 3D printing technology benefit developing countries according to the text?

   A£®It helps the people work efficiently at a bank£®

      B£®It will promote the learning of English

      C£®It will accelerate the development of tourism£®

      D£®It offers them a new way of development£®

  ¡¾²Î¿¼´ð°¸¡¿1—5¡¢ACCBD