What makes the space shuttle is that it takes off like a rocket but lands like an airplane.
A. exceptional
B. strange
C. unique
D. rare
网友回答
A. exceptional
B. strange
(答案→)C. unique
D. rare
解析： unique(=being the only one of its type)同类事物中独一无二的。如：This stamp is unique; all others like it have been lost or destroyed.