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Oxford discover 6

  •  English    11     Public
    Student book pg. 18 - Reading and answering
  •   Study   Slideshow
  • ... but Earth´s ______ geography often makes that ______.
    varied / problematic
  •  25
  • And many other landforms that have to be __________.
    Overcome
  •  15
  • Engineers have been using bridges and tunnels to go over, under, or through these _________.
    Obstacles
  •  25
  • It depends on the ___________.
    Situation
  •  25
  • Especially when they´re needed to cross a __________.
    Waterway
  •  15
  • The ________ bridge, the arch bridge, and the suspension bridge.
    Beam
  •  25
  • Beam bridges are often used for short ______ of distance,
    Spans
  •  20
  • These bridges were often __________ by ropes,
    Suspended
  •  20
  • But today they commonly use strong steel ________.
    Cables
  •  15
  • In the past, engineers often used _______ to blast tunnels through rock.
    Explosives
  •  20
  • When the Channel Tunnel was built, to ______ the United Kingdom and France...
    Link
  •  20