青书学堂: The collapse of the World Trade Centre has put U.S. economy in a difficult ____________.
举一反三
- The collapse of the World Trade Centre has put US economy in a difficult （）. A: occasion B: case C: situation D: background
- Only the north tower of the World Trade Centre was attacked.( )
- In today's world, no country has a purely protected trade or complete free trade. ()
- When world economy is cold, world trade volume will shrink, at the same time the commodity price fells down, so the value of world trade shrinks more.
- Rescue workers continued to search for____, nearly 72 hours after the collapse of the World Trade Center.