MCQOPTIONS
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				| 1. | 
                                    What is name of NASA's first electric airplane? | 
                            
| A. | P-51 Mustang | 
| B. | X-57 Maxwell | 
| C. | B-52 Stratofortress | 
| D. | U-2 spy plane | 
| Answer» C. B-52 Stratofortress | |