A.studying medicine is cheaper on Mars than on earth |
B.the medical school on Mars is better than that on earth |
C.Mars is the only place where he can realize his dream |
D.his cousin encourages him to become a doctor on Mars |
A.To save other people's lives. |
B.To become the crew of the Ishmael. |
C.To fail to get an education on Mars. |
D.To make friends with homeless children. |
A.friendship | B.spreading knowledge |
C.finding wealth | D.love |
A.passersby | B.Lorina's newfound friends |
C.homeless children | D.the black |