A: produced
B: invented
C: discoverd
D: introduced
举一反三
- The Wright brothers failed a lot of times in their attempts at human flight.
- The completely new method was _______ by Jack. A: discovered B: invented C: created D: produced
- The Wright brothers are _____. A: American aviators, engineers, inventors and aviation pioneers B: a bronze sculpture C: an American statesman D: an American ganster
- In 1903, the ______ flew an aeroplane for a brief 12 seconds at Kitty Hawk, North Carolina. A: Franklin B: Wright brothers C: Johnson D: Einstein
- After the new technique was introduced, the factory produced _____tractors in 2002 as the year before.
内容
- 0
What kind of books does the man need A: Books on aviation B: The Wright Brothers’ life story C: Festival and celebration books D: City council history
- 1
Mary Outerbridge is important in the history, of lawn tennis because （）. A: she invented it B: she gave it its name C: she introduced it to Bermuda D: she brought it to America
- 2
After the new technique was introduced, the factory produced ______ cars in 2012 as the year before. A: as many twice B: as twice many C: twice many as D: twice as many
- 3
After the new technique was introduced, the factory produced _________ cars in 2014 as the year before. A: as twice many B: as many twice C: twice as many D: twice many as
- 4
After the new technique was introduced, the factory produced _____ tractors in 2002 as the year before. A: as twice many B: as many twice C: twice as many D: twice many as