| A.were from rich families |
| B.got a lot of money from their school |
| C.did better than other competition teams |
| D.were helped by their teacher to build the machine |
| A.It was held by MIT. |
| B.11 high schools took part in it. |
| C.The winner of it must build the best machine. |
| D.Competing schools were from the United States. |
| A.The other machine |
| B.The Carl Hayden boys |
| C.The students from MIT |
| D.The students who laugh at “stinky” |
| A.A special machine |
| B.A high school beat MIT |
| C.A competition for teens |
| D.Smart students in the US |